HomeEmission Control > SensorsWalker 350-34836 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Part #: 350-34836

Walker 350-34836 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Walker Products Aftermarket, Downstream Left
63 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 Left
Fitment: Audi and Volkswagen, Q7, A6 Quattro, A7 Quattro, A8 Quattro, Vento, A1, and A6
Easy Returns — Return within 60 days for a full refund
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Overview of Walker 350-34836 Oxygen Sensor

The Walker 350-34836 oxygen sensor is a heated, threaded sensor designed specifically for select Audi, Porsche, and Volkswagen models. This sensor ensures accurate emission control by monitoring exhaust gases and providing essential data to the engine management system.

  • Heated oxygen sensor with 4 wires for precise signal transmission
  • Specific fit for Audi A1, A6, A6 Quattro, A7 Quattro, A8 Quattro, Porsche 911, Volkswagen Q7, and Vento
  • Threaded mounting type with an 18.0 mm thread diameter for secure installation
  • Wiring harness length of 8.46 inches and overall length of 11.81 inches
  • Radiused polygon male connector for reliable electrical connection
  • 20 gauge wire for durability and signal integrity

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components engineered to meet or exceed OEM specifications. The line emphasizes precise fitment and reliable performance, making it suitable for maintaining factory-level emission standards in vehicles like Audi, Porsche, and Volkswagen.

Technical Description and Features

The Walker 350-34836 oxygen sensor features a heated sensor element that allows for faster warm-up times and improved accuracy in measuring oxygen levels in the exhaust stream. The sensor’s 4-wire design includes separate heater and signal wires, enhancing responsiveness and durability. Its threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free fit in the exhaust manifold or pipe. The radiused polygon male connector provides a stable electrical connection, reducing the risk of signal loss or corrosion. With a wiring harness length of 8.46 inches and an overall length of 11.81 inches, this sensor is designed to fit precisely in the specified vehicle models without modification.

Compatible Vehicles and Applications

  • Compatible with Audi A1, A6, A6 Quattro, A7 Quattro, and A8 Quattro models
  • Fits Porsche 911 models requiring a specific heated oxygen sensor
  • Suitable for Volkswagen Q7 and Vento models with matching sensor specifications
  • Used to monitor and regulate exhaust emissions for optimal engine performance
  • Helps maintain compliance with emission standards by providing accurate oxygen level data

Installation Notes and Tips

  • Ensure the vehicle is cooled down before sensor removal to avoid burns
  • Use appropriate tools to avoid damaging the 18.0 mm threaded mounting
  • Verify connector compatibility with the radiused polygon male plug before installation
  • Check wiring harness length (8.46 inches) to confirm fitment without stretching or excess slack
  • Follow vehicle manufacturer torque specifications when installing the sensor

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-34836 sensor undergoes rigorous testing to confirm proper function and fitment. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term operation.

BrandWalker
Part Number350-34836
PositionWalker Products Aftermarket, Downstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length11.81
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length8.46

This part fits 63 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2024Porsche9113.0LH6Downstream RightOE Replacement
2023Porsche9113.0LH6Downstream RightOE Replacement
2022Porsche9113.0LH6Downstream RightOE Replacement
2020Porsche9113.0LH6Upstream RightOE Replacement
2019AudiQ73.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2019AudiQ73.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2019AudiQ73.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2019AudiQ73.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2018AudiA6 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2018AudiA6 Quattro3.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2018AudiA6 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2018AudiA6 Quattro3.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2018AudiA7 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2018AudiA7 Quattro3.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2018AudiA7 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2018AudiA7 Quattro3.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2018AudiA8 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2018AudiA8 Quattro3.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2018AudiA8 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2018AudiA8 Quattro3.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2018AudiQ73.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2018AudiQ73.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2018AudiQ73.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2018AudiQ73.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2017AudiA6 QuattroCompetition3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2017AudiA6 QuattroCompetition3.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2017AudiA6 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2017AudiA6 Quattro3.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2017AudiA6 QuattroCompetition3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2017AudiA6 QuattroCompetition3.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2017AudiA6 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2017AudiA6 Quattro3.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2017AudiA7 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2017AudiA7 Quattro3.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2017AudiA7 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2017AudiA7 Quattro3.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2017AudiA8 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2017AudiA8 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2017AudiQ73.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2017AudiQ73.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2017AudiQ73.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2017AudiQ73.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2017VolkswagenVento1.6LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2016AudiA11.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2016AudiA63.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2016AudiA63.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2016AudiA63.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2016AudiA63.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2016AudiA6 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2016AudiA6 Quattro3.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2016AudiA6 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2016AudiA6 Quattro3.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2016AudiA7 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2016AudiA7 Quattro3.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2016AudiA7 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2016AudiA7 Quattro3.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2016AudiA8 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2016AudiA8 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2016VolkswagenVento1.6LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2015AudiA8 Quattro3.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015AudiA8 Quattro3.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015VolkswagenVento1.6LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2014VolkswagenVento1.6LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; 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.