HomeEmission Control > SensorsWalker 350-34058 Oxygen Sensor
Part #: 350-34058

Walker 350-34058 Oxygen Sensor

Walker Products Aftermarket, Downstream Right, Downstream Left, Downstream Rear, and Downstream Front
30 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 Right, Downstream Left, Downstream Rear, and Downstream Front
Fitment: Audi and Volkswagen, A4, A4 Quattro, A6, A6 Quattro, and Passat
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34058 Oxygen Sensor

The Walker 350-34058 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the A4, A4 Quattro, A6, A6 Quattro, and Passat. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.

  • Heated oxygen sensor for accurate emissions control
  • Specific fit for Audi and Volkswagen vehicles
  • Threaded mounting with 18.0 mm thread diameter
  • 65.47 inches wiring harness length with 4 wires of 20 gauge
  • Radiused polygon male connector for secure connection
  • Overall length of 69.02 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34058) is engineered to meet the exact specifications of your vehicle’s emission system. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. With a wiring harness length of 65.47 inches and four 20-gauge wires, it provides reliable electrical connectivity. The radiused polygon male connector ensures a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible Audi and Volkswagen models.

The Walker Products Aftermarket line focuses on delivering quality emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution tailored for specific vehicle applications, ensuring compatibility and performance without modification.

Compatible Vehicles and Common Applications

  • Compatible with Audi A4 and A4 Quattro models
  • Fits Audi A6 and A6 Quattro vehicles
  • Designed for Volkswagen Passat models
  • Used to monitor and regulate exhaust oxygen levels
  • Helps maintain optimal engine performance and emissions compliance

Installation Notes and Tips

  • Ensure the sensor thread diameter (18.0 mm) matches the vehicle’s mounting port
  • Handle the radiused polygon male connector carefully to avoid damage
  • Verify wiring harness length (65.47 inches) is sufficient for your vehicle’s routing
  • Use proper tools to avoid stripping the threaded mounting
  • Follow vehicle manufacturer torque specifications during installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34058 are not provided here, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and durability for your Audi or Volkswagen emission control system.

BrandWalker
Part Number350-34058
PositionWalker Products Aftermarket, Downstream Right, Downstream Left, Downstream Rear, and Downstream Front
Wiring Harness Length65.47
Wire Gauge Measurement20
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Connector ShapeRadiused polygon
Connector GenderMale
Thread Diameter18.0
Overall Length69.02
Mounting TypeThreaded

This part fits 30 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2000VolkswagenPassat2.8LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket
2000VolkswagenPassat2.8LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products Aftermarket
1999AudiA42.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1999AudiA42.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1999AudiA4 Quattro2.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1999AudiA4 Quattro2.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1999AudiA62.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1999AudiA62.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1999AudiA6 Quattro2.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1999AudiA6 Quattro2.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1999VolkswagenPassat2.8LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket
1999VolkswagenPassat2.8LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products Aftermarket
1998AudiA42.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1998AudiA42.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1998AudiA4 Quattro2.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1998AudiA4 Quattro2.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1998AudiA62.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1998AudiA62.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1998AudiA6 Quattro2.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1998AudiA6 Quattro2.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1998VolkswagenPassat2.8LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket
1998VolkswagenPassat2.8LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products Aftermarket
1997AudiA42.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1997AudiA42.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1997AudiA4 Quattro2.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1997AudiA4 Quattro2.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1996AudiA42.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1996AudiA42.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
1996AudiA4 Quattro2.8LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
1996AudiA4 Quattro2.8LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.