Replaces

O2 Oxygen Sensor Walker Products 250-24339 - WKEOS00049

Walker Products Oxygen Sensor: 250-24339

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 (17.75 Inches)
  • Upstream or Downstram Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: 12589550, 12570795, 12578624, 12581346, 12586646, 12590750, 12598176, 12603814, 24577303, 8125786240, 81257 86240, 8125907500, 81259 07500, 8245773030, 82457 73030
  • Built and tested to strict quality control standards

Note: For Express / Savana Van models used 1st & 2nd design sensors:

  • 1st Design is marked OE# 25333812
  • 2st Design is marked OE#19209805

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 : Removing the Oxygen (O2) Sensor (0:38)
    • Raise and secure the vehicle
    • Disconnect the oxygen sensor wiring harness
    • Remove the O2 sensor with a 7/8 inch wrench
  2. step : Installing the New O2 Sensor (1:42)
    • Twist the new O2 sensor into place
    • Tighten the O2 sensor with a 7/8 inch wrench
    • Connect the O2 sensor wiring harness
    • Lower the vehicle to the ground

Tools needed for replacement:

    General Tools

  • Floor Jack
  • Jack Stands

  • Wrenches - SAE

  • 7/8 Inch Wrench

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Vehicle Fit

  • 2004-2005 Buick Rainier L6 4.2L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2006 Buick Rainier V8 5.3L Square Plug Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2003-2005 Chevy Astro Upstream O2 Oxygen Sensor Driver Side Walker Products 250-24339
  • 2004-2005 Chevy Colorado L5 3.5L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2005 Chevy Colorado L4 2.8L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2003 Chevy Express 1500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 Chevy Express 1500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 Chevy Express 1500 Van V6 4.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 Chevy Express 1500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 Chevy Express 1500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 Chevy Express 1500 Van V6 4.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 Chevy Express 1500 Van V8 5.3L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 Chevy Express 1500 Van V6 4.3L Upstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2007 Chevy Express 1500 Van V6 4.3L Upstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2007 Chevy Express 1500 Van V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2006 Chevy Express 1500 Van V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2006 Chevy Express 1500 Van V8 5.3L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2007 Chevy Express 1500 Van V8 5.3L (excluding California Emissions) Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2007 Chevy Express 1500 Van V8 5.3L (excluding California Emissions) Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 Chevy Express 2500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 Chevy Express 2500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 Chevy Express 2500 Van V6 4.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 Chevy Express 2500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 Chevy Express 2500 Van V6 4.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 Chevy Express 2500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 Chevy Express 2500 Van V8 5.3L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 Chevy Express 2500 Van V6 4.3L Upstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2007 Chevy Express 2500 Van V6 4.3L Upstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2007 Chevy Express 2500 Van V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2006 Chevy Express 2500 Van V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2006 Chevy Express 2500 Van V8 5.3L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2005-2007 Chevy Express 2500 Van V8 6.0L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2005-2007 Chevy Express 2500 Van V8 6.0L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 Chevy Express 3500 Van with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 Chevy Express 3500 Van with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2005-2007 Chevy Express 3500 Van V8 6.0L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2005-2007 Chevy Express 3500 Van V8 6.0L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2008 Chevy Malibu L4 2.2L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006 Chevy SSR Square Plug Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2002-2005 Chevy Trailblazer L6 4.2L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006 Chevy Trailblazer V8 6.0L Square Plug Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006 Chevy Trailblazer V8 5.3L Square Plug Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006 Chevy Trailblazer EXT V8 5.3L Square Plug Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2005 GMC Canyon L5 3.5L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2005 GMC Canyon L4 2.8L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2002-2005 GMC Envoy L6 4.2L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006 GMC Envoy V8 5.3L Square Plug Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006 GMC Envoy XL V8 5.3L Square Plug Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2005 GMC Envoy XUV L6 4.2L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2003-2005 GMC Safari Upstream O2 Oxygen Sensor Driver Side Walker Products 250-24339
  • 2003 GMC Savana 1500 Van V6 4.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 GMC Savana 1500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 GMC Savana 1500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 GMC Savana 1500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 GMC Savana 1500 Van V6 4.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 GMC Savana 1500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 GMC Savana 1500 Van V8 5.3L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 GMC Savana 1500 Van V6 4.3L Upstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2006 GMC Savana 1500 Van V8 5.3L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 GMC Savana 1500 Van V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2007 GMC Savana 1500 Van V8 5.3L (excluding California Emissions) Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2007 GMC Savana 1500 Van V8 5.3L (excluding California Emissions) Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 GMC Savana 2500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 GMC Savana 2500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 GMC Savana 2500 Van V6 4.3L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 GMC Savana 2500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 GMC Savana 2500 Van V6 4.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003 GMC Savana 2500 Van V8 5.3L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2007 GMC Savana 2500 Van V8 4.8L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 GMC Savana 2500 Van V8 5.3L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 GMC Savana 2500 Van V6 4.3L Upstream O2 Oxygen Sensor Walker Products 250-24339
  • 2004-2007 GMC Savana 2500 Van V8 4.8L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 GMC Savana 2500 Van V8 5.3L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2006 GMC Savana 2500 Van V6 4.3L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2005-2007 GMC Savana 2500 Van V8 6.0L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2005-2007 GMC Savana 2500 Van V8 6.0L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 GMC Savana 3500 Van V8 6.0L with OE # 19209805 Oxygen Sensor Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2004 GMC Savana 3500 Van V8 6.0L with OE # 19209805 Oxygen Sensor Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2007 GMC Savana 3500 Van V8 4.8L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2004-2007 GMC Savana 3500 Van V8 4.8L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2005-2007 GMC Savana 3500 Van V8 6.0L Upstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2005-2007 GMC Savana 3500 Van V8 6.0L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24339
  • 2003-2005 Isuzu Ascender L6 4.2L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2002-2004 Olds Bravada Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006-2007 Pontiac G6 L4 2.4L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006-2007 Pontiac Solstice L4 2.4L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2005 Saab 9-7X L6 4.2L Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2006 Saab 9-7X V8 5.3L Square Plug Downstream O2 Oxygen Sensor Walker Products 250-24339
  • 2007 Saturn Sky L4 2.4L Downstream O2 Oxygen Sensor Walker Products 250-24339

This part replaces:

  • Walker Products 250-24339
Only 4 left in stock
Part #: WKEOS00049

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

Walker Products
Brand #: 250-24339

How-to Video:

(03:12 min)