Replaces

O2 Oxygen Sensor ACDelco AFS109 - 1AACD00051

This part replaces:

  • ACDelco AFS109
  • OE # 19178958

  • New

AC DELCO AFS109 [HEATED OXYGEN SENSOR]

This AC DELCO Oxygen Sensor is a new part. It is the same piece that you would receive if you purchased it from your local GM dealer.

This Oxygen O2 Sensor has the following specifications:

  • Rectangular, Four pin, 4 wire connector
  • Replaces dealer part numbers: 19178958, 25164488, 25312203, AFS109
  • Direct Fit
  • Correct Connector No cutting or splicing
  • Built and tested to strict quality control standards
  • Some applications use (2) of the same Oxygen Sensors

Note: For clarification purposes:

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

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

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. Removing the O2 Sensor (0:37)
    • Pry out the clip and pin from the sensor
    • Disconnect the O2 sensor harness
    • Cut off the harness connector and sensor with wire cutters
    • Remove the O2 sensor wire with a 7/8 wrench
  2. Installing the New O2 Sensor (2:20)
    • Twist on the O2 sensor to the exhaust pipe
    • Tighten the O2 sensor with a 7/8 wrench
    • Reconnect the O2 sensor harness
    • Replace the pin and re-clip the harness to the vehicle

Tools needed for replacement:

    Pliers, Cutters & misc Wrenches

  • Wire Cutters

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Wrenches - SAE

  • 7/8 Inch Wrench

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How-to Video:

(03:02 min)

Tools List:

    Pliers, Cutters & misc Wrenches

  • Wire Cutters

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Wrenches - SAE

  • 7/8 Inch Wrench



This part replaces:

  • ACDelco AFS109
  • OE # 19178958

Vehicle Fit

  • 1997-1999 Buick Century Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 2000 Buick Century Upstream O2 Oxygen Sensor for V6 3.1L AC Delco AFS109
  • 1997 Buick LeSabre O2 Oxygen Sensor Upstream for V6 3.8L for Models with RPO Code WA2 (Lesabre Timing) AC Delco AFS109
  • 1998-2002 Buick LeSabre Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997-2003 Buick Park Avenue Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997-2003 Buick Park Avenue Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit 1) AC Delco AFS109
  • 1997-2002 Buick Regal Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit 1) AC Delco AFS109
  • 1997-2002 Buick Regal Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997-1999 Buick Riviera Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit 1) AC Delco AFS109
  • 1997 Buick Riviera Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997 Buick Skylark Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 1996-1999 Cadillac Deville Upstream O2 Oxygen Sensor for V8 4.6L AC Delco AFS109
  • 1996-1999 Cadillac Eldorado Upstream O2 Oxygen Sensor for V8 4.6L AC Delco AFS109
  • 1999-2000 Cadillac Escalade Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 2002 Cadillac Escalade Downstream O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2002 Cadillac Escalade Downstream O2 Oxygen Sensor for V8 6.0L AC Delco AFS109
  • 2002 Cadillac Escalade EXT Downstream O2 Oxygen Sensor for V8 6.0L AC Delco AFS109
  • 1996 Cadillac Seville Downstream O2 Oxygen Sensor for V8 4.6L AC Delco AFS109
  • 1997-1999 Cadillac Seville Upstream O2 Oxygen Sensor for V8 4.6L AC Delco AFS109
  • 1996-1997 Chevy Astro Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 2002 Chevy Avalanche 1500 Downstream O2 Oxygen Sensor for Models with for V8 5.3L AC Delco AFS109
  • 1996-1999 Chevy C1500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1999 Chevy C1500 Truck Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) for Models with AC Delco AFS109
  • 1996-1998 Chevy C1500 Truck Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) for Models with AC Delco AFS109
  • 1996-1999 Chevy C2500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1998 Chevy C2500 Truck Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) for Models with AC Delco AFS109
  • 1996-2000 Chevy C2500 Truck Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) for Models with AC Delco AFS109
  • 2000 Chevy C2500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2000 Chevy C3500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2000 Chevy C3500 Truck Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) for Models with AC Delco AFS109
  • 1997-2002 Chevy Camaro Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1998-2000 Chevy Camaro Upstream O2 Oxygen Sensor for V6 3.8L AC Delco AFS109
  • 1996-2002 Chevy Express 1500 Van Downstream O2 Oxygen Sensor for Models with for V8 5.0L AC Delco AFS109
  • 1996-2002 Chevy Express 1500 Van Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2002 Chevy Express 1500 Van Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) for Models with AC Delco AFS109
  • 1997-1998 Chevy Express 1500 Van Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) for Models with AC Delco AFS109
  • 1998 Chevy Express 1500 Van Downstream O2 Oxygen Sensor for Models with for V8 5.0L AC Delco AFS109
  • 1996-2002 Chevy Express 2500 Van Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2002 Chevy Express 2500 Van Downstream O2 Oxygen Sensor for Models with for V8 5.0L AC Delco AFS109
  • 1996-2002 Chevy Express 2500 Van Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) for Models with AC Delco AFS109
  • 1997-1998 Chevy Express 2500 Van Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) for Models with AC Delco AFS109
  • 1998 Chevy Express 2500 Van Downstream O2 Oxygen Sensor for Models with for V8 5.0L AC Delco AFS109
  • 1996-2000 Chevy Express 3500 Van Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) for Models with AC Delco AFS109
  • 1996-2002 Chevy Express 3500 Van Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 2000 Chevy Impala Upstream O2 Oxygen Sensor for V6 3.4L (8th Vin Digit E) AC Delco AFS109
  • 2000-2003 Chevy Impala Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1996-1999 Chevy K1500 Truck Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) AC Delco AFS109
  • 1996-1999 Chevy K1500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1998 Chevy K1500 Truck Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1996-2000 Chevy K2500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2000 Chevy K2500 Truck Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1996-1998 Chevy K2500 Truck Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) AC Delco AFS109
  • 1996-2000 Chevy K3500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2000 Chevy K3500 Truck Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1997 Chevy Lumina Upstream O2 Oxygen Sensor for V6 3.4L AC Delco AFS109
  • 1997-1999 Chevy Lumina Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 1998-1999 Chevy Lumina Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 2000-2001 Chevy Lumina Upstream O2 Oxygen Sensor for V6 3.1L AC Delco AFS109
  • 1997-1999 Chevy Malibu Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 1999-2000 Chevy Malibu Upstream O2 Oxygen Sensor for V6 3.1L AC Delco AFS109
  • 1997-1999 Chevy Monte Carlo Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 1997 Chevy Monte Carlo Upstream O2 Oxygen Sensor for V6 3.4L AC Delco AFS109
  • 1998-2003 Chevy Monte Carlo Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 2000 Chevy Monte Carlo Upstream O2 Oxygen Sensor for V6 3.4L (8th Vin Digit E) AC Delco AFS109
  • 1999-2002 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1999 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 1999 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V8 4.8L AC Delco AFS109
  • 2000-2002 Chevy Silverado 1500 Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000-2002 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V8 4.8L AC Delco AFS109
  • 2001 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2002 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V6 4.3L AC Delco AFS109
  • 2002 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V8 5.3L (Canadian Built) AC Delco AFS109
  • 2001 Chevy Silverado 1500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 1999 Chevy Silverado 2500 Downstream O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000 Chevy Silverado 2500 Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000-2001 Chevy Silverado 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001 Chevy Silverado 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001 Chevy Silverado 2500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001 Chevy Silverado 3500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2000-2002 Chevy Suburban 1500 Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2002 Chevy Suburban 1500 Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000-2001 Chevy Suburban 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 1996-1999 Chevy Suburban C1500 Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1999 Chevy Suburban C2500 Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1999 Chevy Suburban C2500 Downstream O2 Oxygen Sensor (8th Vin Digit J) for V8 7.4L AC Delco AFS109
  • 1996-1999 Chevy Suburban K1500 Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1999 Chevy Suburban K2500 Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1999 Chevy Suburban K2500 Downstream O2 Oxygen Sensor (8th Vin Digit J) for V8 7.4L AC Delco AFS109
  • 1996-2000 Chevy Tahoe Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 2000-2002 Chevy Tahoe (US Built Models) O2 Oxygen Sensor for V8 4.8L AC Delco AFS109
  • 2000-2002 Chevy Tahoe Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2002 Chevy Tahoe Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 1996-1999 Chevy Van - P Series Forward Control P30 Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996 Chevy Van - P Series Forward Control P30 Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit K) AC Delco AFS109
  • 1996-1999 Chevy Van - P Series Forward Control P30 Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) for Models with AC Delco AFS109
  • 1996-1997 Chevy Van - P Series Forward Control P30 Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit N) AC Delco AFS109
  • 1996-1997 Chevy Van - P Series Forward Control Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1998-1999 Chevy Van - P Series Forward Control P30 Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1998-1999 Chevy Van - P Series Forward Control P30 Downstream O2 Oxygen Sensor for V8 7.4L AC Delco AFS109
  • 1996 Chevy Van G-Series G30 Downstream O2 Oxygen Sensor for V8 7.4L AC Delco AFS109
  • 1996 Chevy Van G-Series G30 Downstream O2 Oxygen Sensor for V8 5.7L AC Delco AFS109
  • 1996 Chevy Van G-Series G30 Downstream O2 Oxygen Sensor for V6 4.3L AC Delco AFS109
  • 1997-2000 Chevy Venture Upstream O2 Oxygen Sensor for V6 3.4L (8th Vin Digit E) AC Delco AFS109
  • 1996-1998 GMC C1500 Truck Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1996-1999 GMC C1500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1999 GMC C1500 Truck Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) AC Delco AFS109
  • 1996-2000 GMC C2500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2000 GMC C2500 Truck Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1996-1998 GMC C2500 Truck Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) AC Delco AFS109
  • 1996-2000 GMC C3500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2000 GMC C3500 Truck Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1996-1998 GMC K1500 Truck Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1996-1999 GMC K1500 Truck Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) AC Delco AFS109
  • 1996-1999 GMC K1500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1998 GMC K2500 Truck Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) AC Delco AFS109
  • 1996-2000 GMC K2500 Truck Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1996-2000 GMC K2500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2000 GMC K3500 Truck Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1996-2000 GMC K3500 Truck Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1997 GMC Safari Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1996-2002 GMC Savana 1500 Van Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2002 GMC Savana 1500 Van Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) AC Delco AFS109
  • 1996-2002 GMC Savana 1500 Van Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1996-2002 GMC Savana 2500 Van Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1996-2002 GMC Savana 2500 Van Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2002 GMC Savana 2500 Van Downstream O2 Oxygen Sensor for V8 5.0L (8th Vin Digit M) AC Delco AFS109
  • 1996-2002 GMC Savana 3500 Van Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-2000 GMC Savana 3500 Van Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1997 GMC Savana 3500 Van Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1999-2002 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1999 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V8 4.8L AC Delco AFS109
  • 1999 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000-2002 GMC Sierra 1500 (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000-2002 GMC Sierra 1500 Downstream (US Built Models) O2 Oxygen Sensor for V8 4.8L AC Delco AFS109
  • 2001 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001 GMC Sierra 1500 C3 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2002 GMC Sierra 1500 Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2002 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V6 4.3L AC Delco AFS109
  • 2001 GMC Sierra 1500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001 GMC Sierra 1500 HD C3 Downstream O2 Oxygen Sensor for V8 6.0L AC Delco AFS109
  • 1999 GMC Sierra 2500 Downstream O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000 GMC Sierra 2500 Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000 GMC Sierra 2500 Upstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001 GMC Sierra 2500 Downstream O2 Oxygen Sensor for V8 6.0L AC Delco AFS109
  • 2001 GMC Sierra 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001 GMC Sierra 2500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001 GMC Sierra 2500 HD Downstream O2 Oxygen Sensor for V8 6.0L AC Delco AFS109
  • 2001 GMC Sierra 3500 Downstream O2 Oxygen Sensor for V8 6.0L AC Delco AFS109
  • 1996-1999 GMC Suburban C1500 Downstream O2 Oxygen Sensor for V8 5.7L Automatic Transmission with AC Delco AFS109
  • 1996-1999 GMC Suburban C2500 Downstream O2 Oxygen Sensor for V8 5.7L Automatic Transmission with AC Delco AFS109
  • 1996-1999 GMC Suburban C2500 Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1996-1999 GMC Suburban K2500 Downstream O2 Oxygen Sensor for V8 5.7L Automatic Transmission with AC Delco AFS109
  • 1996-1999 GMC Suburban K2500 Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1996 GMC Van G3500 Downstream O2 Oxygen Sensor for V6 4.3L AC Delco AFS109
  • 1996 GMC Van G3500 Downstream O2 Oxygen Sensor for V8 7.4L AC Delco AFS109
  • 1996 GMC Van G3500 Downstream O2 Oxygen Sensor for V8 5.7L AC Delco AFS109
  • 1996 GMC Van - P Series Forward Control P3500 Downstream O2 Oxygen Sensor for V8 5.7L AC Delco AFS109
  • 1996-1999 GMC Van - P Series Forward Control P3500 Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 1996-1997 GMC Van - P Series Forward Control P3500 Downstream O2 Oxygen Sensor for V8 7.4L AC Delco AFS109
  • 1996-1999 GMC Van - P Series Forward Control P3500 Downstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W) AC Delco AFS109
  • 1998-1999 GMC Van - P Series Forward Control P3500 Downstream O2 Oxygen Sensor for V8 7.4L (8th Vin Digit J) AC Delco AFS109
  • 1998-1999 GMC Van - P Series Forward Control P3500 Downstream O2 Oxygen Sensor for V8 7.4L AC Delco AFS109
  • 1996-1999 GMC Yukon Downstream O2 Oxygen Sensor for V8 5.7L 4L80E 4 Speed Automatic Transmission AC Delco AFS109
  • 1996-1999 GMC Yukon Downstream O2 Oxygen Sensor for V8 5.7L 4L60E 4 Speed Automatic Transmission AC Delco AFS109
  • 2000 GMC Yukon Downstream O2 Oxygen Sensor for V8 5.7L (8th Vin Digit R) AC Delco AFS109
  • 2000 GMC Yukon Downstream O2 Oxygen Sensor for V8 4.8L AC Delco AFS109
  • 2001 GMC Yukon Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 2001-2002 GMC Yukon Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2001-2002 GMC Yukon Downstream (US Built Models) O2 Oxygen Sensor for V8 4.8L AC Delco AFS109
  • 2002 GMC Yukon Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2002 GMC Yukon Downstream O2 Oxygen Sensor for V8 6.0L AC Delco AFS109
  • 2001-2002 GMC Yukon XL 1500 Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2002 GMC Yukon XL 1500 Downstream (US Built Models) O2 Oxygen Sensor for V8 5.3L AC Delco AFS109
  • 2000-2001 GMC Yukon XL 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side AC Delco AFS109
  • 1997-1999 Olds 88 Upstream O2 Oxygen Sensor for V6 3.8L AC Delco AFS109
  • 1997-1998 Olds Achieva Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 1999-2001 Olds Alero Upstream O2 Oxygen Sensor for V6 3.4L (8th Vin Digit E) AC Delco AFS109
  • 1996-1999 Olds Aurora Upstream O2 Oxygen Sensor for V8 4.0L AC Delco AFS109
  • 1997-1999 Olds Cutlass Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 1999 Olds Cutlass Upstream O2 Oxygen Sensor for V6 3.1L AC Delco AFS109
  • 1997 Olds Cutlass Supreme Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 1998 Olds Intrigue Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1999 Olds Intrigue Upstream O2 Oxygen Sensor for V6 3.5L AC Delco AFS109
  • 1999 Olds Intrigue Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997-1999 Olds LSS Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997-1999 Olds LSS Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit 1) AC Delco AFS109
  • 1997-1998 Olds Regency Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997-2000 Olds Silhouette Upstream O2 Oxygen Sensor for V6 3.4L (8th Vin Digit E) AC Delco AFS109
  • 2001-2002 Olds Silhouette Upstream O2 Oxygen Sensor for V6 3.4L (excluding California Emissions) Automatic Transmission with AC Delco AFS109
  • 1997-2003 Pontiac Bonneville Upstream O2 Oxygen Sensor for V6 3.8L AC Delco AFS109
  • 1997-2002 Pontiac Firebird Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997-1998 Pontiac Grand Am Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 1999-2000 Pontiac Grand Am Upstream O2 Oxygen Sensor for V6 3.4L (8th Vin Digit E) AC Delco AFS109
  • 1997-2003 Pontiac Grand Prix Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit K) AC Delco AFS109
  • 1997-2003 Pontiac Grand Prix Upstream O2 Oxygen Sensor for V6 3.8L (8th Vin Digit 1) AC Delco AFS109
  • 1997-1999 Pontiac Grand Prix Upstream O2 Oxygen Sensor for V6 3.1L (8th Vin Digit M) AC Delco AFS109
  • 2000 Pontiac Grand Prix Upstream O2 Oxygen Sensor for V6 3.1L AC Delco AFS109
  • 1999-2000 Pontiac Montana Upstream O2 Oxygen Sensor for V6 3.4L (8th Vin Digit E) AC Delco AFS109
  • 1997-1998 Pontiac Trans Sport Upstream O2 Oxygen Sensor for V6 3.4L (8th Vin Digit E) AC Delco AFS109
$ 60.95
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List: $150.52 Save: $89.57
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Part #: 1AACD00051

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AC DELCO
Brand #: AFS109

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