Homeβ€Ί Emission Control > Sensorsβ€Ί Walker 350-34506 Oxygen Sensor - Downstream
Part #: 350-34506

Walker 350-34506 Oxygen Sensor - Downstream

Walker Products Aftermarket, Downstream
72 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
Walker Products Aftermarket, Downstream
Fitment: Chevrolet, Pontiac, and Saturn, HHR, Cobalt, G5, Ion, Vue, G4, L300, L200, LW200, L100, SC1, SC2, SL, SL1, SL2, and SW2
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Overview of Walker 350-34506 Oxygen Sensor

The Walker 350-34506 oxygen sensor is designed specifically for select Chevrolet, Pontiac, and Saturn models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated sensor type for faster response times
  • Specific fit for Chevrolet Cobalt, Pontiac G5, Saturn Ion, and other models
  • 27.48-inch wiring harness length with 4 wires of 20 gauge
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon male connector for secure connection
  • Overall length of 31.02 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34506) is engineered to meet the exact specifications required by various Chevrolet, Pontiac, and Saturn vehicles. The heated sensor design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire configuration with 20 gauge wiring ensures reliable signal transmission, while the 27.48-inch wiring harness length provides sufficient reach for installation in the exhaust system. The sensor features a threaded mounting type with an 18.0 mm thread diameter, compatible with the original equipment mounting points. The radiused polygon male connector guarantees a secure and precise fit, minimizing the risk of connection issues.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following makes and models:

  • Chevrolet Cobalt, HHR
  • Pontiac G4, G5, Pursuit, SC1, SC2
  • Saturn Ion, L100, L200, L300, LW200, SL, SL1, SL2, SW2, Vue

It is designed for specific fitment, ensuring proper function and ease of installation in these vehicles.

Common Issues Addressed by This Oxygen Sensor

  • Incorrect air-fuel mixture readings causing poor fuel economy
  • Check engine light triggered by faulty oxygen sensor signals
  • Increased emissions due to sensor malfunction
  • Engine performance problems such as rough idling or hesitation
  • Failed emissions tests related to sensor failure

Installation Notes and Tips

When installing the Walker 350-34506 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the wiring harness. Verify the connector shape and gender match the vehicle’s harness before installation. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards. The 350-34506 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandWalker
Part Number350-34506
PositionWalker Products Aftermarket, Downstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length31.02
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length27.48

This part fits 72 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011ChevroletHHR2.4LL4FLEXDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2011ChevroletHHR2.2LL4FLEXDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2010ChevroletCobalt2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2010ChevroletHHR2.4LL4FLEXDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2010ChevroletHHR2.2LL4FLEXDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2010PontiacG52.2LL4DownstreamOE Replacement
2009ChevroletCobalt2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2009ChevroletHHR2.4LL4FLEXDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2009ChevroletHHR2.2LL4FLEXDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2009PontiacG52.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2008ChevroletCobalt2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2008ChevroletCobalt2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2008ChevroletHHR2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2008ChevroletHHR2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2008PontiacG52.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2008PontiacG52.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007ChevroletCobalt2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007ChevroletCobalt2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007ChevroletCobalt2.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007ChevroletHHR2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007ChevroletHHR2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007PontiacG52.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007PontiacG52.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007SaturnIon2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007SaturnIon2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007SaturnIon2.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007SaturnVue2.4LL4ELECTRIC/GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007SaturnVue2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006ChevroletCobalt2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006ChevroletCobalt2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006ChevroletCobalt2.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006ChevroletHHR2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006ChevroletHHR2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006PontiacG42.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006PontiacPursuit2.4LL4DownstreamOE Replacement
2006SaturnIon2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006SaturnIon2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006SaturnIon2.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006SaturnVue2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2005ChevroletCobalt2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2005ChevroletCobalt2.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2005PontiacG42.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2005PontiacPursuit2.2LL4DownstreamOE Replacement
2005SaturnIon2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2005SaturnIon2.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2005SaturnVue2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2004SaturnL3002.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2004SaturnVue2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2003SaturnL2002.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2003SaturnLW2002.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2003SaturnVue2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnL1002.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnL2002.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnLW2002.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnSC11.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnSC21.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnSL1.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnSL11.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnSL21.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002SaturnVue2.2LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2001SaturnSC11.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2001SaturnSC21.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2001SaturnSL1.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2001SaturnSL11.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2001SaturnSL21.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2001SaturnSW21.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2000SaturnSC11.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2000SaturnSC21.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2000SaturnSL1.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2000SaturnSL11.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2000SaturnSL21.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2000SaturnSW21.9LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.