HomeEmission Control > SensorsWalker 350-34127 Oxygen Sensor - Upstream Left or Upstream Right
Part #: 350-34127

Walker 350-34127 Oxygen Sensor - Upstream Left or Upstream Right

Walker Products Aftermarket, Upstream Left
14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Upstream Left
Fitment: Cadillac, XLR
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Oxygen Sensor for Cadillac XLR

The Walker 350-34127 oxygen sensor is designed specifically for Cadillac XLR models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

  • Wiring harness length: 35.94 inches
  • Wire gauge measurement: 20 gauge
  • Heated sensor type for faster response
  • Specific fit for Cadillac XLR
  • Four-wire configuration
  • Radiused polygon female connector
  • Thread diameter: 18.0 mm
  • Overall length: 39.49 inches
  • Threaded mounting type

Detailed Product Description

The Walker 350-34127 oxygen sensor is engineered to meet the exact specifications of the Cadillac XLR, providing accurate air-fuel mixture readings to the vehicle’s engine control unit. This heated sensor type allows for quicker activation and improved emission control during cold starts. The four-wire design supports both the sensor signal and heater circuit, enhancing sensor responsiveness and durability. The radiused polygon female connector ensures a secure and reliable electrical connection, while the 18.0 mm threaded mounting type allows for straightforward installation in the designated exhaust port. With a wiring harness length of 35.94 inches and an overall length of 39.49 inches, this sensor fits precisely without the need for modifications.

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM standards. Walker Products Aftermarket parts are designed to offer reliable performance and compatibility, making them suitable for professional repairs and maintenance on specific vehicle models like the Cadillac XLR.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel ratio for efficient combustion
  • Reduces vehicle emissions by providing accurate sensor data
  • Prevents engine performance issues related to faulty oxygen sensors
  • Resolves check engine light triggers caused by sensor failure
  • Improves fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

  • Ensure the vehicle is cool before removing the old sensor to avoid burns
  • Use appropriate tools for the 18.0 mm threaded mounting to prevent damage
  • Verify connector compatibility with the radiused polygon female plug
  • Check wiring harness routing to avoid contact with hot exhaust components
  • Follow vehicle manufacturer torque specifications when installing the sensor

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable operation. The 350-34127 part number is backed by Walker’s quality assurance protocols, ensuring durability and performance consistent with Cadillac XLR requirements. Warranty details are provided by Walker Products Aftermarket and typically cover defects in materials and workmanship under normal use.

BrandWalker
Part Number350-34127
PositionWalker Products Aftermarket, Upstream Left
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length39.49
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length35.94

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2009CadillacXLR4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2009CadillacXLR4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2009CadillacXLR4.4LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2009CadillacXLR4.4LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2008CadillacXLR4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2008CadillacXLR4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2008CadillacXLR4.4LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2008CadillacXLR4.4LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2007CadillacXLR4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2007CadillacXLR4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2007CadillacXLR4.4LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2007CadillacXLR4.4LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2006CadillacXLR4.4LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2006CadillacXLR4.4LV8GASUpstream 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.