HomeEmission Control > SensorsWalker 350-34079 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 350-34079

Walker 350-34079 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products Aftermarket, Downstream Left
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$57.68Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Downstream Left
Fitment: Jaguar, 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 350-34079 Oxygen Sensor for Jaguar XJ12 and XJS

The Walker 350-34079 oxygen sensor is designed specifically for Jaguar XJ12 and XJS models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

  • Heated oxygen sensor with 4 wires for accurate readings
  • Specific fit for Jaguar XJ12 and XJS models
  • Threaded mounting with 18.0 mm thread diameter
  • Connector with radiused polygon shape and male gender
  • Wiring harness length of 14.88 inches and overall length of 18.43 inches
  • Wire gauge measurement of 20 for reliable electrical conductivity

Detailed Product Description

This Walker oxygen sensor (part number 350-34079) is engineered to meet the emission control requirements of Jaguar XJ12 and XJS vehicles. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. With a 4-wire configuration and a wire gauge of 20, it provides stable and accurate oxygen level readings to the engine control unit. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit, while the radiused polygon male connector facilitates a reliable electrical connection. The wiring harness length of 14.88 inches and overall length of 18.43 inches are designed to match the factory specifications for these Jaguar models.

Walker Products Aftermarket Line

The Walker Products Aftermarket line offers replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct-fit solution for Jaguar XJ12 and XJS vehicles. The product line focuses on delivering reliable performance and durability for emission sensors, ensuring compliance with environmental regulations and maintaining engine efficiency.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture control
  • Helps resolve engine performance issues related to faulty sensors
  • Reduces emissions by ensuring correct sensor operation
  • Prevents check engine light triggers caused by sensor failure
  • Improves fuel economy by maintaining optimal combustion

Installation Notes and Tips

When installing the Walker 350-34079 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use an appropriate oxygen sensor socket to avoid damage during removal or installation. Verify the connector’s radiused polygon shape and male gender match the vehicle’s wiring harness for a secure connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal, but avoid contaminating the sensor tip. Follow vehicle-specific torque specifications to prevent sensor damage.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 350-34079 should be confirmed with the supplier, Walker typically offers limited warranties covering defects in materials and workmanship. This ensures confidence in the sensor’s reliability for Jaguar XJ12 and XJS emission control systems.

BrandWalker
Part Number350-34079
PositionWalker Products Aftermarket, Downstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length18.43
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length14.88

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1996JaguarXJ126.0LV12GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1996JaguarXJ126.0LV12GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1995JaguarXJ126.0LV12GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1995JaguarXJ126.0LV12GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1995JaguarXJS6.0LV12GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1995JaguarXJS6.0LV12GASDownstream LeftDownstream left oxygen sensor required.; 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.