Replaces

O2 Oxygen Sensor Walker Products 250-21001 - WKEOS00001

Walker Products Oxygen Sensor: 250-21001

Walker Products, an ISO 9001-2008 / TS16949 certified company, specializes in the manufacturing and distribution of Fuel System Components and Automotive Engine Management products. Walker is committed to meeting or exceeding OEM or equivalent standards and specifications. This effort is backed by Walker's own manufacturing, product management and engineering expertise.

Specifications:

  • Brand New Walker Oxygen Sensor
  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (18.1 Inches)
  • Upstream Sensor*
    • this sensor is used on some application that do not use a downstream (monitor) sensor
  • 1 wire configuration
  • Replaces dealer part numbers: 06003981, 6003981, 33004243, 5014780AA, 8953000886, 33004243, 5014780AA, 53000886, 8933004243, 8953000886, 0456288, 10042186, 12328546, 19178953, 19211437, 25105107, 25105901, 25106073, 25107378, 25132068, 25133076, 25133185, 25162600, 25162693, 25162753, 25165118, 25165120, 25166169, 25166816, 25171572, 25171573, 25171574, 25171581, 25176707, 5613725, 5613959, 8990469, 8990625, 8990741, 8990789, 91171942, 96060174, 97018586, 8089903510, 80899 03510, 8089907410, 80899 07410, 8251051070, 82510 51070, 8251059010, 82510 59010, 8251331850, 82513 31850, 8251626000, 82516 26000, 8251626930, 82516 26930, 8251627530, 82516 27530, 8251668160, 82516 68160, 8944081510, 89440 81510, 8970185860, 89701 85860, 33004243, 5014780AA, 8953000886, 1821360B00, 18213 60B00, 1821364B00, 18213 64B00, 1821382010, 18213 82010, 1377953
  • Built and tested to strict quality control standards

Note: For clarification purposes:

  • Upstream location is between the catalytic converter and the engine
  • Downstream location is between the catalytic converter and the tailpipe

If you have a bad O2 sensor causing your vehicle to run poorly or fail an emission test then this is the part for you.

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Note:  You may be required to reset the vehicle’s computer after installation of this part.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. step : Identifying your Oxygen Sensors (0:57)
    • Upstream oxygen sensors are located in between the engine and the catalytic converter
    • Downstream oxygen sensors are located in the catalytic converter or farther away from the engine than the catalytic converter
    • Locate your vehicle's firing order diagram
    • The bank that contains cylinder one is bank one
    • The bank that does not contain cylinder one is bank two, even if it does not contain cylinder two

Tools needed for replacement:

    1A - No Tools Needed

  • No Tools Needed

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Vehicle Fit

  • 1982-1992 Buick Century L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Buick Century V6 3.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1988 Buick Century V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1993 Buick Century V6 3.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1993-1996 Buick Century L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Buick Electra L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1989 Buick Electra V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1990 Buick Electra V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1990 Buick Estate Wagon V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1987 Buick Grand National V6 3.8L Turbo O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Buick LeSabre L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1989 Buick LeSabre V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1993 Buick LeSabre V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1992 Buick Park Avenue V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1993 Buick Park Avenue V6 3.8L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Buick Reatta V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1987 Buick Regal V6 3.8L Turbo O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Buick Regal L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1987 Buick Regal V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1989 Buick Regal V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1993 Buick Regal V6 3.1L (excluding California Emissions) O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Buick Regal V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Buick Riviera V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Buick Riviera L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Buick Riviera V6 3.8L Turbo O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1993 Buick Riviera V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1991 Buick Roadmaster V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 Buick Roadmaster V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Buick Skyhawk L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1989 Buick Skyhawk L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1991 Buick Skylark L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Buick Skylark V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 Buick Skylark V6 3.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Buick Skylark L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1996-1997 Buick Skylark L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Buick Somerset V6 3.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Buick Somerset L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Cadillac Brougham V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Cadillac Brougham V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1982 Cadillac Cimarron L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Cadillac Cimarron L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1988 Cadillac Cimarron V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982 Cadillac Deville L6 4.1L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Cadillac Deville L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982 Cadillac Eldorado L6 4.1L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Cadillac Eldorado L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982 Cadillac Fleetwood L6 4.1L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1985 Cadillac Fleetwood L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1990 Cadillac Fleetwood V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982 Cadillac Seville L6 4.1L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Cadillac Seville L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1990 Chevy Astro L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1991 Chevy Astro V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 Chevy Beretta L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 Chevy Beretta V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1994 Chevy Beretta L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1993 Chevy Beretta V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1996 Chevy Beretta L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 Chevy Blazer Full Size V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1994 Chevy Blazer Full Size V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 Chevy Blazer S10 L4 1.9L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1989 Chevy Blazer S10 V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1988 Chevy Blazer S10 L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Chevy Blazer S10 V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 Chevy C10 Truck L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy C10 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy C10 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 Chevy C10 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy C1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy C1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy C1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1993 Chevy C1500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy C1500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy C1500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy C20 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 Chevy C20 Truck L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 Chevy C20 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 Chevy C20 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy C2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy C2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1995 Chevy C2500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy C2500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy C2500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 Chevy C3500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 Chevy C3500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1989 Chevy Camaro V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1992 Chevy Camaro V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1992 Chevy Camaro V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Chevy Camaro V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Chevy Caprice V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1993 Chevy Caprice V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1993 Chevy Caprice V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1990 Chevy Caprice V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1982 Chevy Cavalier L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1989 Chevy Cavalier L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1989 Chevy Cavalier V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1995 Chevy Cavalier L4 2.2L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1994 Chevy Cavalier V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1995 Chevy Cavalier L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1996-1998 Chevy Cavalier L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1996-1998 Chevy Cavalier L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1990 Chevy Celebrity L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1989 Chevy Celebrity V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1990 Chevy Celebrity V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1980-1987 Chevy Chevette L4 1.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Chevy Citation V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1984-1985 Chevy Citation II L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1984-1985 Chevy Citation II V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 Chevy Corsica V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 Chevy Corsica L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1993 Chevy Corsica V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1996 Chevy Corsica L4 2.2L O2 Oxygen Sensor Walker Products 250-21001
  • 1982 Chevy Corvette V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1984-1993 Chevy Corvette V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1987 Chevy El Camino V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 Chevy El Camino V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Chevy Impala V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Chevy Impala V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Chevy Impala V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy K10 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 Chevy K10 Truck L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 Chevy K10 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 Chevy K10 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy K1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy K1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy K1500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy K1500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy K20 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1985 Chevy K20 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy K2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy K2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Chevy K2500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1995 Chevy K2500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy K2500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy K2500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 Chevy K3500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 Chevy K3500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1993 Chevy LLV (Postal Truck) L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy LLV (Postal Truck) L4 2.2L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Chevy Lumina L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Chevy Lumina V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1993 Chevy Lumina V6 3.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1993-1994 Chevy Lumina V6 3.1L (excluding California Emissions) O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1995 Chevy Lumina APV V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1992 Chevy Lumina APV V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1983 Chevy Malibu V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1983 Chevy Malibu V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1997-1998 Chevy Malibu L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Chevy Monte Carlo V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1988 Chevy Monte Carlo V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1988 Chevy Monte Carlo V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy R1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy R1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy R1500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1988 Chevy R2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy R2500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy R2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 Chevy R2500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Chevy R3500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Chevy R3500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1993 Chevy S10 Pickup V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Chevy S10 Pickup L4 1.9L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1993 Chevy S10 Pickup L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Chevy S10 Pickup V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1988 Chevy Spectrum L4 1.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1988 Chevy Sprint L3 1.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy Suburban C10 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy Suburban C10 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 Chevy Suburban C1500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy Suburban C1500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy Suburban C20 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy Suburban C20 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 Chevy Suburban C2500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1995 Chevy Suburban C2500 V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy Suburban C2500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy Suburban K10 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy Suburban K10 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 Chevy Suburban K1500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy Suburban K1500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy Suburban K20 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Chevy Suburban K20 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 Chevy Suburban K2500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1995 Chevy Suburban K2500 V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 Chevy Suburban K2500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy Suburban R10 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1988 Chevy Suburban R10 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Chevy Suburban R1500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1988 Chevy Suburban R20 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1988 Chevy Suburban R20 V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Chevy Suburban R2500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Chevy Suburban R2500 V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1988 Chevy Suburban V10 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Chevy Suburban V1500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1988 Chevy Suburban V20 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1988 Chevy Suburban V20 V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Chevy Suburban V2500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Chevy Suburban V2500 V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1995 Chevy Tahoe V8 5.7L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy V1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy V1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy V1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Chevy V2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Chevy V3500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Chevy V3500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1996 Chevy Van - P Series Forward Control V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Chevy Van - P Series Forward Control V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1995 Chevy Van G-Series V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1995 Chevy Van G-Series V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 Chevy Van G-Series L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1991 Chevy Van G-Series V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 GMC C1500 Truck L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 1983-86, 1988-93 GMC C1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 1985-86, 1988-93 GMC C1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 1985-86, 1988-93 GMC C1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1985-86, 1988-93 GMC C1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1985-86, 1988-93 GMC C1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1983-86, 1988-93 GMC C1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC C1500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC C1500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 1983-86, 1988-93 GMC C2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 GMC C2500 Truck L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 1983-86, 1988-93 GMC C2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 GMC C2500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1983-86, 1988-93 GMC C2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1983-86, 1988-93 GMC C2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 GMC C2500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1995 GMC C2500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC C2500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC C2500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 GMC C3500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 GMC C3500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 GMC Caballero V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1987 GMC Caballero V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 GMC Caballero V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1991 GMC Jimmy Full Size V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 GMC Jimmy Full Size V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1988 GMC Jimmy S-15 L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1983 GMC Jimmy S-15 L4 1.9L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1989 GMC Jimmy S-15 V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 GMC Jimmy S-15 V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 GMC K1500 Truck L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 1983-86, 1988-93 GMC K1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 1985-86, 1988-93 GMC K1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1985-86, 1988-93 GMC K1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1983-86, 1988-93 GMC K1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 GMC K1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC K1500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC K1500 Truck L4 1.9L V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 1983-86, 1988-93 GMC K2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 1985-86, 1988-93 GMC K2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 GMC K2500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1983-86, 1988-93 GMC K2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 1985-86, 1988-93 GMC K2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1995 GMC K2500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC K2500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC K2500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 GMC K3500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 GMC K3500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 GMC R1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 GMC R1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 GMC R1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 GMC R2500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 GMC R2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 GMC R2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1991 GMC R3500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1991 GMC R3500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 GMC S-15 Pickup L4 1.9L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1990 GMC S-15 Pickup V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1990 GMC S-15 Pickup L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1990 GMC S-15 Pickup V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1991 GMC S-15 Sonoma V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1993 GMC S-15 Sonoma V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1998 GMC S-15 Sonoma L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1991 GMC Safari V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1990 GMC Safari L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 GMC Suburban C1500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 GMC Suburban C1500 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 GMC Suburban C1500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC Suburban C1500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 GMC Suburban C2500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 GMC Suburban C2500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1995 GMC Suburban C2500 V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC Suburban C2500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 GMC Suburban K1500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 GMC Suburban K1500 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 GMC Suburban K1500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC Suburban K1500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 GMC Suburban K2500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 GMC Suburban K2500 V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1995 GMC Suburban K2500 V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1994-1995 GMC Suburban K2500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) O2 Oxygen Sensor Walker Products 250-21001
  • 1987 GMC V1500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 GMC V1500 Truck V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 GMC V1500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 GMC V2500 Truck V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 GMC V2500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 GMC V2500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1991 GMC V3500 Truck V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1991 GMC V3500 Truck V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1995 GMC Van V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 GMC Van 1500 L6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1995 GMC Van V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1991 GMC Van V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1996 GMC Van V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1995 GMC Van - P Series Forward Control V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1995 GMC Van - P Series Forward Control V8 7.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 GMC Van - P Series Forward Control V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1995 GMC Yukon V8 5.7L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1994 Geo Metro L3 1.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1989 Geo Spectrum L4 1.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1993 Geo Storm L4 1.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1995-1996 Hummer H1 V8 5.7L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1993 Isuzu Amigo L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1992 Isuzu Amigo L4 2.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1996-1998 Isuzu Hombre L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Isuzu I-Mark L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1989 Isuzu I-Mark L4 1.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1989 Isuzu I-Mark L4 1.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1987 Isuzu Impulse L4 1.9L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1989 Isuzu Impulse L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1989 Isuzu Impulse L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1982 Isuzu Pup Pickup L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1987 Isuzu Pup Pickup L4 1.9L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 Isuzu Pup Pickup L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1992 Isuzu Pup Pickup L4 2.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1994 Isuzu Pup Pickup L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1994 Isuzu Pup Pickup V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1993 Isuzu Pup Pickup L4 2.6L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1992 Isuzu Rodeo L4 2.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1992 Isuzu Rodeo V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1993 Isuzu Rodeo L4 2.6L 1 Wire Sensor O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1993 Isuzu Stylus L4 1.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1984-1985 Isuzu Trooper L4 1.9L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 Isuzu Trooper L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Isuzu Trooper L4 2.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Isuzu Trooper V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1984-1986 Jeep Cherokee V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1986 Jeep Comanche (MJ) V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Jeep J Series Pickup (SJ) L6 4.2L O2 Oxygen Sensor Walker Products 250-21001
  • 1984-1986 Jeep Wagoneer V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Jeep Wagoneer L6 4.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1990 Jeep Wrangler L6 4.2L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1993 Olds 88 V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Olds 98 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1992 Olds 98 V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1995 Olds Achieva L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 Olds Achieva V6 3.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1996-1998 Olds Achieva L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1991 Olds Bravada V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Olds Calais V6 3.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Olds Calais L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1987 Olds Calais L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1992 Olds Custom Cruiser V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1992 Olds Custom Cruiser V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Olds Cutlass Calais V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Olds Cutlass Calais V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Olds Cutlass Calais L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Olds Cutlass Calais L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1991 Olds Cutlass Calais V6 3.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1992 Olds Cutlass Ciera L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Olds Cutlass Ciera V6 3.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1984-1988 Olds Cutlass Ciera V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1989 Olds Cutlass Ciera V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1993 Olds Cutlass Ciera V6 3.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1993-1995 Olds Cutlass Ciera L4 2.2L O2 Oxygen Sensor Walker Products 250-21001
  • 1996 Olds Cutlass Ciera L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1983 Olds Cutlass Cruiser V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1983 Olds Cutlass Cruiser V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1989 Olds Cutlass Supreme V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1992 Olds Cutlass Supreme V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1991 Olds Cutlass Supreme L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1992 Olds Cutlass Supreme V6 3.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1993 Olds Cutlass Supreme V6 3.1L (excluding California Emissions) O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1987 Olds Cutlass Supreme RWD V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1988 Olds Cutlass Supreme RWD V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Olds Delta 88 V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1991 Olds Delta 88 V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 Olds Delta 88-Royale V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Olds Firenza L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1988 Olds Firenza L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Olds Firenza V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Olds Omega L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Olds Omega V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1994 Olds Silhouette V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1992 Olds Silhouette V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Olds Toronado V6 4.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1985 Olds Toronado V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Olds Toronado V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1992 Olds Toronado V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1987 Pontiac 1000 L4 1.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1984 Pontiac 2000 L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1989 Pontiac 6000 V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1991 Pontiac 6000 L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1991 Pontiac 6000 V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1991 Pontiac Bonneville V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Pontiac Bonneville V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1984-1988 Pontiac Fiero L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1988 Pontiac Fiero V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1980-1992 Pontiac Firebird V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1989 Pontiac Firebird V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1992 Pontiac Firebird V8 5.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1989 Pontiac Firebird V6 3.8L Turbo O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Pontiac Firebird V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1993-1995 Pontiac Firebird V6 3.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1987 Pontiac Grand Am V6 3.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1991 Pontiac Grand Am L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 Pontiac Grand Am L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1995 Pontiac Grand Am L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1992-1993 Pontiac Grand Am V6 3.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1999 Pontiac Grand Am L4 2.4L without EGR Valve Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1987 Pontiac Grand Prix V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1987 Pontiac Grand Prix V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 Pontiac Grand Prix V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1989 Pontiac Grand Prix V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1992 Pontiac Grand Prix V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1991 Pontiac Grand Prix L4 2.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1993 Pontiac Grand Prix V6 3.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1993 Pontiac Grand Prix V6 3.1L (excluding California Emissions) O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Pontiac J2000 L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1985 Pontiac J2000 V6 3.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1988-1993 Pontiac LeMans L4 1.6L O2 Oxygen Sensor Walker Products 250-21001
  • 1989-1990 Pontiac LeMans L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1983-1986 Pontiac Parisienne V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1986 Pontiac Parisienne V6 4.3L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Pontiac Phoenix L4 2.5L O2 Oxygen Sensor Walker Products 250-21001
  • 1982-1984 Pontiac Phoenix V6 2.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1987-1989 Pontiac Safari V8 5.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1994 Pontiac Sunbird L4 2.0L O2 Oxygen Sensor Walker Products 250-21001
  • 1985-1986 Pontiac Sunbird L4 1.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1991-1994 Pontiac Sunbird V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1995-1998 Pontiac Sunfire L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1995 Pontiac Sunfire L4 2.3L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1996-1998 Pontiac Sunfire L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1995 Pontiac Trans Sport V6 3.1L O2 Oxygen Sensor Walker Products 250-21001
  • 1992 Pontiac Trans Sport V6 3.8L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 Renault Alliance L4 1.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1986-1987 Renault Alliance L4 1.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1986 Renault Encore L4 1.4L O2 Oxygen Sensor Walker Products 250-21001
  • 1986 Renault Encore L4 1.7L O2 Oxygen Sensor Walker Products 250-21001
  • 1990-1992 Suzuki Swift L4 1.3L O2 Oxygen Sensor Walker Products 250-21001

This part replaces:

  • Walker Products 250-21001
Part #: WKEOS00001

Ships Same Day for orders placed by 4 P.M. ET

Walker Products
Brand #: 250-21001

How-to Video:

(03:08 min)