HomeEmission Control > SensorsWalker 350-34073 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 350-34073

Walker 350-34073 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products Aftermarket, Downstream Left
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products Aftermarket, Downstream Left
🚗Fitment: Audi, A8 Quattro
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Walker Oxygen Sensor 350-34073 for Audi A8 Quattro

The Walker 350-34073 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
  • Threaded mounting with 18.0 mm thread diameter
  • 61.34 inches wiring harness length with 4 wires of 22 gauge
  • Radiused polygon male connector for reliable connection
  • Overall length of 64.88 inches for proper fitment

Detailed Features and Specifications

This Walker Products Aftermarket oxygen sensor (part number 350-34073) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The sensor includes a 61.34-inch wiring harness with four 22-gauge wires, allowing for stable electrical signals and compatibility with the vehicle’s engine control unit. The radiused polygon male connector ensures a secure and precise connection, reducing the risk of electrical faults. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system of the Audi A8 Quattro.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, providing a direct replacement solution tailored for specific vehicle applications like the Audi A8 Quattro. The product line emphasizes durability and precise fitment to maintain vehicle emissions compliance and engine performance.

Common Applications and Problem Resolution

  • Restores accurate oxygen level readings for proper air-fuel mixture
  • Helps resolve check engine light issues related to oxygen sensor faults
  • Improves fuel economy by ensuring correct sensor feedback
  • Reduces harmful emissions by maintaining proper combustion control
  • Prevents engine performance problems caused by faulty sensors

Installation Notes and Tips

When installing the Walker 350-34073 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 if recommended by the vehicle manufacturer to prevent seizing. Connect the radiused polygon male connector firmly to avoid electrical connection issues. Verify wiring harness routing to prevent damage from heat or moving parts.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable operation. The 350-34073 part number is manufactured to precise specifications for the Audi A8 Quattro. Warranty coverage details should be confirmed with the product documentation or supplier, ensuring confidence in product durability and performance.

BrandWalker
Part Number350-34073
PositionWalker Products Aftermarket, Downstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length64.88
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement22
Wire Quantity4
Wiring Harness Length61.34

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2003AudiA8 Quattro4.2LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2003AudiA8 Quattro4.2LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
2002AudiA8 Quattro4.2LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2002AudiA8 Quattro4.2LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
2001AudiA8 Quattro4.2LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2001AudiA8 Quattro4.2LV8GASDownstream 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.