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Oxygen Sensor
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Oxygen Sensor - Downstream or Downstream Front or Downstream Left or Downstream Rear or Downstream Right or Upstream Left (Walker Products) for 2000-2009 Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Saab, & Saturn NEW

$ 55 .01

Product Notes

Position: Downstream or Downstream Front or Downstream Left (Driver Side) or Downstream Rear or Downstream Right (Passenger Side) or Upstream Left (Driver Side)
OE Replacement
Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment Manufacturers replacement for many vehicles worldwide. Every part number is manufactured for the specific application, fitment position on the vehicle, and will provide the relevant diagnostic system feedback as required by the ECU.Newer vehicles will store fault codes in the ECU, some will relate to the affected sensor and its associated systems. A failed sensor might make itself known by causing the engine to run poorly, increase fuel consumption, exhaust emissions, or illuminating a (MIL) malfunction indicator light. The sensor, wiring harness, and connector should also be checked for physical damage. This will most likely also cause their operational life to be shortened.We are an Automotive ISO9001/TS 16949 certified company, with un-paralleled customer service, marketing, and shipping. Our electronic and paper catalogs are designed for today’s fast paced marketplace, along with our eye catching packaging. Since 1946, Walker Products has been the number one choice for the engine management sensors and fuel system components needed for your vehicle. © 2024 Walker Products Inc. All rights reserved.
Brand: Walker Products
Condition: New
See All Other Oxygen Sensors
LIFE
TIME
Lifetime Warranty Included
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100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
CA Prop65 Nickel Warning: This Product Can Expose You To Chemicals, Including Nickel And Nickel Alloyed Stainless Steel, Which Are Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
Connector Gender Male
Connector Shape Square
Heated Yes
Mounting Type Threaded
Sensor Type Narrow-band
Terminal Gender Female
Terminal Type Spade
Thread Diameter 18.0
Wire Gauge Measurement 20.0
Wire Quantity 4

Vehicle Fitment Guide

This part fits the following vehicles:

Buick 10 models (tapclick to expand)(tapclick to hide)
Allure 2005-2007 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CX Sedan 2005 - 2007 V6 3.8L FWD Automatic
CXL Sedan 2005 - 2007 V6 3.8L FWD Automatic
CXS Sedan 2005 - 2007 V6 3.6L FWD Automatic
Century 2005 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Custom Sedan 2005 V6 3.1L FWD Automatic
Limited Sedan 2005 V6 3.1L FWD Automatic
Special Edition Sedan 2005 V6 3.1L FWD Automatic
LaCrosse 2005-2007 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CX Sedan 2005 - 2007 V6 3.8L FWD Automatic
CXL Sedan 2005 - 2007 V6 3.8L FWD Automatic
CXS Sedan 2005 - 2007 V6 3.6L FWD Automatic
LeSabre 2004-2005 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Custom Sedan 2004 - 2005 V6 3.8L FWD Automatic
Limited Sedan 2004 - 2005 V6 3.8L FWD Automatic
Lucerne 2006-2008 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CX Sedan 2006 - 2008 V6 3.8L FWD Automatic
CXL Sedan 2006 - 2008 V6 3.8L FWD Automatic
CXL Sedan 2006 - 2008 V8 4.6L FWD Automatic
CXS Sedan 2006 - 2008 V8 4.6L FWD Automatic
Super Sedan 2008 V8 4.6L FWD Automatic
Park Avenue 2004-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2004 - 2005 V6 3.8L FWD Automatic
Ultra Sedan 2004 - 2005 V6 3.8L Supercharged FWD Automatic
Rainier 2004-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CXL SUV 2004 - 2005 L6 4.2L AWD/RWD Automatic
CXL SUV 2004 - 2005 V8 5.3L AWD/RWD Automatic
CXL Plus SUV 2004 - 2005 L6 4.2L AWD/RWD Automatic
CXL Plus SUV 2004 - 2005 V8 5.3L AWD/RWD Automatic
Regal 2004 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
GS Sedan 2004 V6 3.8L Supercharged FWD Automatic
LS Sedan 2004 V6 3.8L FWD Automatic
Rendezvous 2005-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CX SUV 2006 - 2007 V6 3.5L FWD Automatic
CX SUV 2006 V6 3.5L AWD Automatic
CX SUV 2006 V6 3.6L AWD/FWD Automatic
CX SUV 2005 V6 3.4L AWD/FWD Automatic
CX Plus SUV 2005 V6 3.4L AWD/FWD Automatic
CXL SUV 2006 - 2007 V6 3.5L FWD Automatic
CXL SUV 2006 V6 3.5L AWD Automatic
CXL SUV 2006 V6 3.6L AWD/FWD Automatic
CXL SUV 2005 V6 3.4L AWD/FWD Automatic
CXL Plus SUV 2005 V6 3.6L AWD/FWD Automatic
Ultra SUV 2005 V6 3.6L AWD/FWD Automatic
Terraza 2005-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CX Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
CX Mini Passenger Van 2006 - 2007 V6 3.9L FWD Automatic
CX Mini Passenger Van 2006 V6 3.9L AWD Automatic
CX Mini Passenger Van 2005 - 2006 V6 3.5L AWD/FWD Automatic
CXL Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
CXL Mini Passenger Van 2006 - 2007 V6 3.9L FWD Automatic
CXL Mini Passenger Van 2006 V6 3.9L AWD Automatic
CXL Mini Passenger Van 2005 - 2006 V6 3.5L AWD/FWD Automatic
Chevrolet 10 models (tapclick to expand)(tapclick to hide)
Astro 2000-2002 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Extended Cargo Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
Base Extended Passenger Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
Base Standard Cargo Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
Base Standard Passenger Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
LS Extended Passenger Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
LS Standard Passenger Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
LT Extended Passenger Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
LT Standard Passenger Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
Chevy 2008-2009 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Hatchback 2008 - 2009 L4 1.6L FWD Manual
Base Hatchback 2008 - 2009 L4 1.6L FWD Manual
Base Sedan 2008 - 2009 L4 1.6L FWD Manual
Comfort Hatchback 2008 - 2009 L4 1.6L FWD Automatic & Manual
Comfort Hatchback 2008 - 2009 L4 1.6L FWD Automatic & Manual
Corvette 2005-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 2005 - 2007 V8 6.0L RWD Automatic & Manual
Base Hatchback 2005 - 2007 V8 6.0L RWD Automatic & Manual
Z06 Hatchback 2006 - 2007 V8 7.0L RWD Manual
Equinox 2005-2007 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
LS SUV 2005 - 2007 V6 3.4L AWD/FWD Automatic
LT SUV 2005 - 2007 V6 3.4L AWD/FWD Automatic
Impala 2004-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2004 - 2005 V6 3.4L FWD Automatic
Base Sedan 2004 - 2005 V6 3.8L FWD Automatic
LS Sedan 2006 - 2007 V6 3.5L FWD Automatic
LS Sedan 2006 - 2007 V6 3.5L FLEX FWD Automatic
LS Sedan 2004 - 2005 V6 3.8L FWD Automatic
LT Sedan 2006 - 2007 V6 3.5L FWD Automatic
LT Sedan 2006 - 2007 V6 3.5L FLEX FWD Automatic
LT Sedan 2006 - 2007 V6 3.9L FWD Automatic
LTZ Sedan 2006 - 2007 V6 3.9L FWD Automatic
Police Sedan 2006 - 2007 V6 3.9L FWD Automatic
Police Sedan 2004 - 2005 V6 3.8L FWD Automatic
SS Sedan 2006 - 2007 V8 5.3L FWD Automatic
SS Sedan 2004 - 2005 V6 3.8L Supercharged FWD Automatic
Monte Carlo 2004-2007 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
LS Coupe 2006 - 2007 V6 3.5L FWD Automatic
LS Coupe 2006 - 2007 V6 3.5L FLEX FWD Automatic
LS Coupe 2004 - 2005 V6 3.4L FWD Automatic
LT Coupe 2006 - 2007 V6 3.5L FWD Automatic
LT Coupe 2006 - 2007 V6 3.5L FLEX FWD Automatic
LT Coupe 2006 V6 3.9L FWD Automatic
LT Coupe 2005 V6 3.8L FWD Automatic
LTZ Coupe 2006 V6 3.9L FWD Automatic
SS Coupe 2006 - 2007 V8 5.3L FWD Automatic
SS Coupe 2004 V6 3.8L FWD Automatic
SS Coupe 2004 - 2005 V6 3.8L Supercharged FWD Automatic
SSR 2003-2005 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 2005 V8 6.0L RWD Automatic & Manual
Base Convertible 2003 - 2004 V8 5.3L RWD Automatic
Trailblazer EXT 2003-2005 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
B SUV 2005 L6 4.2L 4WD Automatic
B SUV 2004 - 2005 L6 4.2L RWD Automatic
Base SUV 2003 - 2005 L6 4.2L RWD Automatic
Base SUV 2003, 2005 L6 4.2L 4WD Automatic
LS SUV 2003 - 2005 L6 4.2L RWD/4WD Automatic
LS SUV 2003 - 2005 V8 5.3L RWD/4WD Automatic
LT SUV 2003 - 2005 L6 4.2L RWD/4WD Automatic
LT SUV 2003 - 2005 V8 5.3L RWD/4WD Automatic
North Face SUV 2003 - 2004 L6 4.2L RWD/4WD Automatic
North Face SUV 2003 - 2004 V8 5.3L RWD/4WD Automatic
Uplander 2005-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Mini Cargo Van 2007 V6 3.9L FWD Automatic
Base Mini Cargo Van 2007 V6 3.9L FLEX FWD Automatic
Base Mini Cargo Van 2006 V6 3.5L FWD Automatic
Base Mini Passenger Van 2007 V6 3.9L FWD Automatic
Base Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
Base Mini Passenger Van 2005 - 2006 V6 3.5L FWD Automatic
Base Mini Passenger Van 2005 V6 3.5L FWD Automatic
LS Mini Passenger Van 2007 V6 3.9L FWD Automatic
LS Mini Passenger Van 2007 V6 3.9L FWD Automatic
LS Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
LS Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
LS Mini Passenger Van 2005 - 2006 V6 3.5L FWD Automatic
LT Mini Passenger Van 2007 V6 3.9L FWD Automatic
LT Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
LT Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
LT Mini Passenger Van 2006 - 2007 V6 3.9L FWD Automatic
LT Mini Passenger Van 2006 V6 3.9L AWD Automatic
LT Mini Passenger Van 2005 - 2006 V6 3.5L AWD/FWD Automatic
Venture 2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
LS Mini Passenger Van 2005 V6 3.4L FWD Automatic
LT Mini Passenger Van 2005 V6 3.4L FWD Automatic
Plus Mini Passenger Van 2005 V6 3.4L FWD Automatic
GMC 4 models (tapclick to expand)(tapclick to hide)
Envoy 2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Denali SUV 2005 V8 5.3L RWD/4WD Automatic
SLE SUV 2005 L6 4.2L RWD/4WD Automatic
SLT SUV 2005 L6 4.2L RWD/4WD Automatic
Envoy XL 2003-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Denali SUV 2005 V8 5.3L RWD/4WD Automatic
SLE SUV 2003 - 2005 L6 4.2L RWD/4WD Automatic
SLE SUV 2003 - 2005 V8 5.3L RWD/4WD Automatic
SLT SUV 2003 - 2005 L6 4.2L RWD/4WD Automatic
SLT SUV 2003 - 2005 V8 5.3L RWD/4WD Automatic
Envoy XUV 2004-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
SLE SUV 2004 - 2005 L6 4.2L RWD/4WD Automatic
SLE SUV 2004 - 2005 V8 5.3L RWD/4WD Automatic
SLT SUV 2004 - 2005 L6 4.2L RWD/4WD Automatic
SLT SUV 2004 - 2005 V8 5.3L RWD/4WD Automatic
Safari 2000-2002 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
SL Extended Cargo Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
SL Extended Passenger Van 2000 V6 4.3L AWD/RWD Automatic
SL Standard Passenger Van 2000 V6 4.3L AWD/RWD Automatic
SLE Extended Passenger Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
SLE Standard Passenger Van 2000 V6 4.3L AWD/RWD Automatic
SLT Extended Passenger Van 2000 - 2002 V6 4.3L AWD/RWD Automatic
SLT Standard Passenger Van 2000 V6 4.3L AWD/RWD Automatic
Isuzu 1 model (tapclick to expand)(tapclick to hide)
Ascender 2003-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2003 L6 4.2L RWD/4WD Automatic
Base SUV 2003 V8 5.3L RWD/4WD Automatic
LS SUV 2003 - 2005 L6 4.2L RWD/4WD Automatic
LS SUV 2003 - 2005 V8 5.3L RWD/4WD Automatic
Limited SUV 2003 - 2004 L6 4.2L RWD/4WD Automatic
Limited SUV 2003 - 2005 V8 5.3L RWD/4WD Automatic
S SUV 2005 V8 5.3L RWD/4WD Automatic
S SUV 2004 - 2005 L6 4.2L RWD/4WD Automatic
Oldsmobile 2 models (tapclick to expand)(tapclick to hide)
Aurora 2001-2003 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 - 2002 V6 3.5L FWD Automatic
Base Sedan 2001 - 2003 V8 4.0L FWD Automatic
Intrigue 2000-2002 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
GL Sedan 2000 - 2002 V6 3.5L FWD Automatic
GLS Sedan 2000 - 2002 V6 3.5L FWD Automatic
GX Sedan 2000 - 2002 V6 3.5L FWD Automatic
Pontiac 6 models (tapclick to expand)(tapclick to hide)
Aztek 2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2005 V6 3.4L AWD/FWD Automatic
Rally SUV 2005 V6 3.4L AWD/FWD Automatic
Bonneville 2004-2005 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
GXP Sedan 2004 - 2005 V8 4.6L FWD Automatic
SE Sedan 2004 - 2005 V6 3.8L FWD Automatic
SLE Sedan 2004 - 2005 V6 3.8L FWD Automatic
G6 2006-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2006 - 2007 L4 2.4L FWD Automatic
Base Sedan 2006 - 2007 V6 3.5L FWD Automatic
GT Convertible 2007 V6 3.5L FWD Manual
GT Convertible 2007 V6 3.9L FWD Automatic & Manual
GT Convertible 2006 - 2007 V6 3.5L FWD Automatic
GT Coupe 2007 V6 3.5L FWD Manual
GT Coupe 2007 V6 3.9L FWD Automatic & Manual
GT Coupe 2006 - 2007 V6 3.5L FWD Automatic
GT Sedan 2007 V6 3.5L FWD Manual
GT Sedan 2007 V6 3.9L FWD Automatic & Manual
GT Sedan 2006 - 2007 V6 3.5L FWD Automatic
GTP Convertible 2006 V6 3.9L FWD Automatic & Manual
GTP Coupe 2007 V6 3.6L FWD Automatic
GTP Coupe 2006 V6 3.9L FWD Automatic & Manual
GTP Sedan 2007 V6 3.6L FWD Automatic
GTP Sedan 2006 V6 3.9L FWD Automatic & Manual
SE Sedan 2006 V6 3.5L FWD Automatic
Grand Prix 2004-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2005 - 2007 V6 3.8L FWD Automatic
GT Sedan 2006 - 2007 V6 3.8L Supercharged FWD Automatic
GT Sedan 2005 V6 3.8L FWD Automatic
GT1 Sedan 2004 V6 3.8L FWD Automatic
GT2 Sedan 2004 V6 3.8L FWD Automatic
GTP Sedan 2004 - 2005 V6 3.8L Supercharged FWD Automatic
GXP Sedan 2005 - 2007 V8 5.3L FWD Automatic
Montana 2005-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Mini Passenger Van 2005 V6 3.4L FWD Automatic
SV6 Mini Passenger Van 2006 - 2007 V6 3.9L FWD Automatic
SV6 Mini Passenger Van 2006 V6 3.9L AWD Automatic
SV6 Mini Passenger Van 2005 - 2006 V6 3.5L AWD/FWD Automatic
Torrent 2006-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2006 - 2007 V6 3.4L AWD/FWD Automatic
LS SUV 2006 - 2007 V6 3.4L FWD Automatic
LT SUV 2006 - 2007 V6 3.4L AWD Automatic
Sport SUV 2007 V6 3.4L AWD/FWD Automatic
Saab 1 model (tapclick to expand)(tapclick to hide)
9-7x 2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Arc SUV 2005 V8 5.3L AWD Automatic
Linear SUV 2005 L6 4.2L AWD Automatic
Saturn 2 models (tapclick to expand)(tapclick to hide)
Aura 2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Green Line Sedan 2007 L4 2.4L FULL HYBRID EV-GAS (FHEV) FWD Automatic
XE Sedan 2007 V6 3.5L FWD Automatic
XR Sedan 2007 V6 3.6L FWD Automatic
Relay 2005-2007 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
1 Mini Passenger Van 2007 V6 3.9L FWD Automatic
1 Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
2 Mini Passenger Van 2007 V6 3.9L FWD Automatic
2 Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
2 Mini Passenger Van 2005 - 2006 V6 3.5L FWD Automatic
2 Mini Passenger Van 2005 V6 3.5L AWD Automatic
3 Mini Passenger Van 2007 V6 3.9L FLEX FWD Automatic
3 Mini Passenger Van 2006 - 2007 V6 3.9L FWD Automatic
3 Mini Passenger Van 2006 V6 3.9L AWD Automatic
3 Mini Passenger Van 2005 - 2006 V6 3.5L AWD/FWD Automatic
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment Manufacturers replacement for many vehicles worldwide. Every part number is manufactured for the specific application, fitment position on the vehicle, and will provide the relevant diagnostic system feedback as required by the ECU.Newer vehicles will store fault codes in the ECU, some will relate to the affected sensor and its associated systems. A failed sensor might make itself known by causing the engine to run poorly, increase fuel consumption, exhaust emissions, or illuminating a (MIL) malfunction indicator light. The sensor, wiring harness, and connector should also be checked for physical damage. This will most likely also cause their operational life to be shortened.We are an Automotive ISO9001/TS 16949 certified company, with un-paralleled customer service, marketing, and shipping. Our electronic and paper catalogs are designed for today’s fast paced marketplace, along with our eye catching packaging. Since 1946, Walker Products has been the number one choice for the engine management sensors and fuel system components needed for your vehicle. © 2024 Walker Products Inc. All rights reserved.

Fits Years: 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

Fits Models: 9-7x, Allure, Ascender, Astro, Aura, Aurora, Aztek, Bonneville, Century, Chevy, Corvette, Envoy, Envoy XL, Envoy XUV, Equinox, G6, Grand Prix, Impala, Intrigue, LaCrosse, LeSabre, Lucerne, Montana, Monte Carlo, Park Avenue, Rainier, Regal, Relay, Rendezvous, Safari, SSR, Terraza, Torrent, Trailblazer EXT, Uplander, Venture

Go-Parts Garage · Featured Guide

Guide to Oxygen Sensor Replacement for 1996-2005 Buick LeSabre

Restore your LeSabre's fuel economy and pass emissions by understanding and replacing your O2 sensors.

Read Full Guide →

⚠️ Related Trouble Codes (OBD-II)

1 matching guide

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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