HomeEmission Control > SensorsWalker 350-34492 Oxygen Sensor - Downstream
Part #: 350-34492

Walker 350-34492 Oxygen Sensor - Downstream

Walker Products Aftermarket, Downstream
8 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, Downstream
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 350-34492 for Audi A8 Quattro

The Walker 350-34492 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 with 4-wire configuration
  • Specific fit for Audi A8 Quattro models
  • 64.49 inches wiring harness length for flexible routing
  • 22 gauge wire for reliable signal transmission
  • Threaded mounting with 18.0 mm thread diameter
  • Radiused polygon male connector for secure connection
  • Overall length of 68.03 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34492) is engineered to meet the exact specifications required by Audi A8 Quattro vehicles. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. With a 4-wire setup and 22 gauge wiring, it provides accurate oxygen level readings to the engine control unit. The 64.49-inch wiring harness length and 68.03-inch overall length offer sufficient reach for installation without modification. The threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free fit, while the radiused polygon male connector guarantees a reliable electrical connection.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution for Audi A8 Quattro owners who require precise sensor performance and durability. The product line emphasizes compatibility and quality to support vehicle emission systems effectively.

Common Applications and Issues Addressed

  • Replacement for faulty or worn oxygen sensors in Audi A8 Quattro
  • Helps resolve engine performance issues related to incorrect air-fuel mixture
  • Reduces emissions by providing accurate oxygen level data
  • Prevents check engine light triggers caused by sensor failure
  • Improves fuel economy by enabling proper engine tuning

Installation Notes and Tips

  • Ensure the vehicle is cool before sensor removal to avoid burns
  • Use appropriate tools for threaded sensor removal and installation
  • Verify connector type matches the vehicle harness before installation
  • Do not over-tighten the sensor to prevent thread damage
  • Check wiring harness routing to avoid contact with hot or moving parts

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable performance. The 350-34492 sensor is manufactured to precise specifications for the Audi A8 Quattro. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.

BrandWalker
Part Number350-34492
PositionWalker Products Aftermarket, Downstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length68.03
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement22
Wire Quantity4
Wiring Harness Length64.49

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2009AudiA8 Quattro6.0LW12GASDownstreamDownstream oxygen sensor compatible with cylinders 4-6.; Walker Products Aftermarket
2008AudiA8 Quattro6.0LW12GASDownstreamDownstream oxygen sensor compatible with cylinders 4-6.; Walker Products Aftermarket
2007AudiA8 Quattro6.0LW12GASDownstreamDownstream Oxygen Sensor fits Cylinders 4-6, from Chassis/VIN #4E7017 001.; Walker Products Aftermarket
2007AudiA8 Quattro6.0LW12GASDownstreamDownstream oxygen sensor fits cylinders 4-6, to chassis/VIN #4E7017000.; Walker Products Aftermarket
2007AudiA8 Quattro6.0LW12GASDownstreamFrom Chassis/VIN #4E7017 001, fits cylinders 4-6, downstream.; Walker Products Aftermarket
2007AudiA8 Quattro6.0LW12GASDownstreamCylinders 4-6 downstream oxygen sensor fits chassis/VIN #4E7017000.; Walker Products Aftermarket
2006AudiA8 Quattro6.0LW12GASDownstreamDownstream oxygen sensor compatible with cylinders 4-6.; Walker Products Aftermarket
2005AudiA8 Quattro6.0LW12GASDownstreamDownstream oxygen sensor compatible with cylinders 4-6.; 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.