HomeEmission Control > SensorsWalker 250-24394 Oxygen Sensor - Upstream Left or Upstream Right
Part #: 250-24394

Walker 250-24394 Oxygen Sensor - Upstream Left or Upstream Right

Walker Products OE, Upstream Left
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Upstream Left
🚗Fitment: Audi, RS6
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Overview of Walker 250-24394 Oxygen Sensor for Audi RS6

The Walker 250-24394 oxygen sensor is designed specifically for the Audi RS6, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

  • Heated oxygen sensor for accurate emissions feedback
  • Specific fit for Audi RS6 models
  • 31.81-inch wiring harness length for flexible placement
  • 22-gauge wire with 4-wire configuration for reliable signal transmission
  • Thread diameter of 18.0 mm with threaded mounting
  • Radiused polygon male connector for secure connection
  • Overall length of 35.35 inches for proper fitment

Detailed Product Description

The Walker 250-24394 oxygen sensor is engineered to meet the exact specifications required by the Audi RS6. This heated sensor uses a 4-wire design with 22-gauge wiring to ensure fast and accurate response times, which is critical for maintaining optimal air-fuel mixture and reducing emissions. The sensor’s 31.81-inch wiring harness length and 35.35-inch overall length provide ample reach for installation without compromising fitment. Its threaded mounting type with an 18.0 mm thread diameter allows for straightforward replacement and secure attachment. The radiused polygon male connector ensures a reliable electrical connection, minimizing the risk of signal loss or corrosion.

Walker Products OE Brand Line Information

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures that each sensor, including the 250-24394, is manufactured with precision to provide consistent performance and durability for specific vehicle applications like the Audi RS6.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper engine management
  • Helps resolve rough idling and poor fuel economy
  • Reduces emissions-related fault codes and check engine light triggers
  • Improves catalytic converter efficiency by providing correct air-fuel ratio data
  • Prevents drivability issues caused by faulty sensor readings

Installation Notes and Tips

When installing the Walker 250-24394 oxygen sensor on an Audi RS6, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit and prevent exhaust leaks.

Quality Assurance and Warranty

Walker oxygen sensors, including part number 250-24394, are manufactured to meet stringent quality standards for durability and performance. While specific warranty details may vary, Walker Products OE parts typically come with a limited warranty against defects in materials and workmanship, providing confidence in the sensor’s reliability for Audi RS6 applications.

BrandWalker
Part Number250-24394
PositionWalker Products OE, Upstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length35.35
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement22
Wire Quantity4
Wiring Harness Length31.81

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2004AudiRS64.2LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2004AudiRS64.2LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2003AudiRS64.2LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2003AudiRS64.2LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE

* 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.