HomeEmission Control > SensorsWalker 350-35108 Oxygen Sensor - Upstream
Part #: 350-35108

Walker 350-35108 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Upstream
Fitment: Audi, A8 Quattro
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 350-35108 for Audi A8 Quattro

The Walker 350-35108 oxygen sensor is designed specifically for the Audi A8 Quattro, 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 for accurate emissions monitoring
  • Specific fit for Audi A8 Quattro models
  • 33.07-inch wiring harness length with 5 wires
  • 20 gauge wire measurement for durability
  • Threaded mounting with 18.0 mm thread diameter
  • Radiused polygon male connector for reliable connection
  • Overall length of 35.43 inches for proper fitment

Detailed Features and Specifications

This Walker Products Aftermarket oxygen sensor (part number 350-35108) is engineered to meet the exact specifications required by the Audi A8 Quattro. The sensor type is heated, which helps it reach operating temperature quickly for faster and more accurate readings. The wiring harness length of 33.07 inches and 5-wire configuration with 20 gauge wire ensures robust electrical connectivity and signal transmission. The radiused polygon male connector provides a secure and precise fit, reducing the risk of disconnection or signal loss. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation and compatibility with the vehicle’s exhaust system.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a balance of quality and fitment precision tailored for specific vehicle applications like the Audi A8 Quattro. Using parts from this product line helps maintain emission compliance and engine efficiency.

Common Applications and Problem Resolution

  • Helps resolve engine performance issues related to incorrect air-fuel mixture
  • Addresses check engine light triggers caused by faulty oxygen sensors
  • Improves fuel economy by providing accurate exhaust gas readings
  • Reduces harmful emissions by ensuring proper catalytic converter function
  • Prevents rough idling and engine hesitation linked to sensor failure

Installation Notes and Tips

When installing the Walker 350-35108 oxygen sensor on an Audi A8 Quattro, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads to facilitate future removal. Verify the connector’s radiused polygon shape matches the vehicle harness to avoid connection issues. Properly route the 33.07-inch wiring harness to prevent contact with hot or moving parts.

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 350-35108 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.

BrandWalker
Part Number350-35108
PositionWalker Products Aftermarket, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length35.43
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity5
Wiring Harness Length33.07

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2014AudiA8 Quattro6.3LW12GASUpstreamCyl 1,3,5; Cil 1,3,5; Upstream; Walker Products Aftermarket
2014AudiA8 Quattro6.3LW12GASUpstreamCyl 1,3,5; Upstream; Walker Products Aftermarket
2013AudiA8 Quattro6.3LW12GASUpstreamCyl 1,3,5; Cil 1,3,5; Upstream; Walker Products Aftermarket
2013AudiA8 Quattro6.3LW12GASUpstreamCyl 1,3,5; Upstream; Walker Products Aftermarket
2012AudiA8 Quattro6.3LW12GASUpstreamCyl 1,3,5; Cil 1,3,5; Upstream; Walker Products Aftermarket
2012AudiA8 Quattro6.3LW12GASUpstreamCyl 1,3,5; Upstream; 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.