Replaces

O2 Oxygen Sensor Walker Products 250-24355 - WKEOS00055

Walker Products Oxygen Sensor: 250-24355

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 (17.00 Inches)
  • Upstream or Downstream Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: 12589549, 12569496, 12570794, 12577588, 12590847, 12594935, 24577273, 8125775880, 81257 75880, 12569496
  • 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.

Returns Note:

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.

  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

Year Make Model Description
2006Cadillac CTS-V Cadillac CTS-V V8 6.0L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Cadillac Escalade Cadillac Escalade V8 6.2L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Cadillac Escalade ESV Cadillac Escalade ESV V8 6.2L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Cadillac Escalade EXT Cadillac Escalade EXT V8 6.2L Downstream O2 Oxygen Sensor Walker Products 250-24355
2003-2005Chevy Astro Chevy Astro V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24355
2003-2005Chevy Astro Chevy Astro V6 4.3L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24355
2007Chevy Avalanche 1500 Chevy Avalanche 1500 V8 6.0L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Chevy Avalanche 1500 Chevy Avalanche 1500 V8 5.3L Downstream O2 Oxygen Sensor Walker Products 250-24355
2006Chevy Silverado 1500 Chevy Silverado 1500 V8 4.8L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Chevy Silverado 1500 Classic Chevy Silverado 1500 Classic V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Chevy Silverado 1500 Classic Chevy Silverado 1500 Classic V8 4.8L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Chevy Suburban 1500 Chevy Suburban 1500 V8 5.3L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Chevy Suburban 1500 Chevy Suburban 1500 V8 6.0L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Chevy Suburban 2500 Chevy Suburban 2500 V8 6.0L Downstream O2 Oxygen Sensor Walker Products 250-24355
2006-2007Chevy Tahoe Chevy Tahoe V8 4.8L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Chevy Tahoe Chevy Tahoe V8 5.3L Downstream O2 Oxygen Sensor Walker Products 250-24355
2002-2003Chevy Trailblazer Chevy Trailblazer L6 4.2L Upstream O2 Oxygen Sensor Walker Products 250-24355
2002-2003GMC Envoy GMC Envoy L6 4.2L Upstream O2 Oxygen Sensor Walker Products 250-24355
2003-2005GMC Safari GMC Safari V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24355
2003-2005GMC Safari GMC Safari V6 4.3L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24355
2006GMC Sierra 1500 GMC Sierra 1500 V8 4.8L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007GMC Sierra 1500 Classic GMC Sierra 1500 Classic V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007GMC Sierra 1500 Classic GMC Sierra 1500 Classic V8 4.8L Downstream O2 Oxygen Sensor Walker Products 250-24355
2006-2007GMC Yukon GMC Yukon V8 4.8L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007GMC Yukon GMC Yukon V8 6.2L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007GMC Yukon GMC Yukon V8 5.3L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007GMC Yukon XL 2500 GMC Yukon XL 2500 V8 6.0L Downstream O2 Oxygen Sensor Walker Products 250-24355
2007Hummer H2 Hummer H2 V8 6.0L Downstream O2 Oxygen Sensor Walker Products 250-24355
2003Isuzu Ascender Isuzu Ascender L6 4.2L Upstream O2 Oxygen Sensor Walker Products 250-24355
2002-2003Oldsmobile Bravada Olds Bravada L6 4.2L Upstream O2 Oxygen Sensor Walker Products 250-24355
2002-2003Saturn L Sedan Saturn L Sedan L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-24355
2002-2003Saturn L Wagon Saturn L Wagon L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-24355

This part replaces:

  • Walker Products 250-24355
Part #: WKEOS00055


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Walker Products
Brand #: 250-24355

How-to Video:

(03:08 min)