HomeEmission Control > SensorsWalker 250-241201 Oxygen Sensor - Downstream
Part #: 250-241201

Walker 250-241201 Oxygen Sensor - Downstream

Walker Products OE, Downstream
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Downstream
🚗Fitment: Audi and Volkswagen, A3 Sportback e-tron and Jetta
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Walker 250-241201 Oxygen Sensor

The Walker 250-241201 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the A3 Sportback e-tron and Jetta. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Audi A3 Sportback e-tron and Volkswagen Jetta
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon male connector for secure electrical connection
  • Wiring harness length of 40.15 inches and overall length of 43.30 inches
  • Wire gauge measurement of 20 for reliable signal transmission

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures compatibility and durability, making it a suitable replacement part for emission control sensors in specific vehicle applications.

Product Features and Specifications

The Walker 250-241201 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. It includes a 4-wire design, which supports both the sensor signal and heater circuit, enhancing performance and reliability. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon male connector provides a precise and stable electrical connection, reducing the risk of signal loss or corrosion. With a wiring harness length of 40.15 inches and an overall length of 43.30 inches, this sensor is engineered to fit the specified Audi and Volkswagen models without modification.

Compatible Vehicles and Applications

  • Compatible with Audi A3 Sportback e-tron models requiring a specific oxygen sensor replacement
  • Designed for Volkswagen Jetta models needing a heated oxygen sensor with exact fitment
  • Used in emission control systems to monitor and regulate exhaust gases
  • Helps maintain engine efficiency and reduce harmful emissions
  • Addresses issues related to poor fuel economy, rough idling, and failed emissions tests

Installation Notes and Tips

When installing the Walker 250-241201 oxygen sensor, ensure the vehicle is cooled down 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 to ensure proper electrical connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Walker oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 250-241201 part number undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term functionality.

BrandWalker
Part Number250-241201
PositionWalker Products OE, Downstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length43.30
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length40.15

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2018AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2018VolkswagenJetta1.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2017AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2017VolkswagenJetta1.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2016AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2016VolkswagenJetta1.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; 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.