HomeEmission Control > SensorsWalker 350-34453 Oxygen Sensor - Downstream, Upstream Left or Upstream Right
Part #: 350-34453

Walker 350-34453 Oxygen Sensor - Downstream, Upstream Left or Upstream Right

Walker Products Aftermarket, Downstream
13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Downstream
Fitment: Toyota and Jaguar, MR2 Spyder, XJ12, and XJS
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34453 Oxygen Sensor

The Walker 350-34453 oxygen sensor is designed specifically for select Jaguar and Toyota models, including the MR2 Spyder, XJ12, and XJS. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

  • Heated oxygen sensor with 4-wire design for reliable operation
  • Specific fit for Jaguar and Toyota models such as MR2 Spyder, XJ12, and XJS
  • 32.99-inch wiring harness length with 20-gauge wire for durability
  • Threaded mounting type with 18.0 mm thread diameter for secure installation
  • Radiused polygon male connector for proper electrical connection
  • Overall length of 36.54 inches to accommodate vehicle-specific routing

Detailed Product Description

This Walker oxygen sensor (part number 350-34453) is engineered to meet the exact specifications required by Jaguar and Toyota vehicles, including the MR2 Spyder, XJ12, and XJS. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings under various driving conditions. The 4-wire configuration supports both the sensor signal and heater circuit, improving response time and sensor longevity. The wiring harness length of 32.99 inches and 20-gauge wire ensure reliable electrical performance, while the radiused polygon male connector guarantees a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and proper sealing in the exhaust system.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their commitment to providing vehicle-specific solutions that maintain emissions compliance and engine efficiency. The 350-34453 sensor reflects Walker's focus on quality and fitment accuracy for Jaguar and Toyota applications.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for improved fuel economy
  • Resolves check engine light triggers related to oxygen sensor faults
  • Helps reduce harmful emissions by ensuring proper catalytic converter function
  • Eliminates rough idling or engine hesitation caused by faulty sensors
  • Prevents failed emissions tests due to sensor malfunctions

Installation Notes and Tips

When installing the Walker 350-34453 oxygen sensor, ensure the vehicle is cool to avoid burns. Use a proper oxygen sensor socket to avoid damaging the sensor or wiring. Verify the connector type matches the vehicle harness before installation. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. Inspect wiring for any damage or corrosion during replacement.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34453 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance and durability.

BrandWalker
Part Number350-34453
PositionWalker Products Aftermarket, Downstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length36.54
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length32.99

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006ToyotaMR2 Spyder1.8LL4DownstreamOE Replacement
2005ToyotaMR2 Spyder1.8LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2004ToyotaMR2 Spyder1.8LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2003ToyotaMR2 Spyder1.8LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2002ToyotaMR2 Spyder1.8LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2001ToyotaMR2 Spyder1.8LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2000ToyotaMR2 Spyder1.8LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
1996JaguarXJ126.0LV12GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
1996JaguarXJ126.0LV12GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
1995JaguarXJ126.0LV12GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
1995JaguarXJ126.0LV12GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
1995JaguarXJS6.0LV12GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
1995JaguarXJS6.0LV12GASUpstream LeftInstall upstream oxygen sensor on the left side.; 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.