Walker 250-241303 Oxygen Sensor - Downstream

Walker OE Base Oxygen Sensor 250-241303

Walker 250-241303 is a specific-fit downstream oxygen sensor built for vehicles that require a narrow-band, heated sensor with OE-style feedback to the ECU. It is engineered for direct replacement use on select Volkswagen applications, including Passat, Beetle, and Jetta models.

Key Features

• Heated narrow-band oxygen sensor for downstream placement
• Specific-fit design for the listed Volkswagen applications
• 4-wire configuration with oblong female connector
• Spade terminals, 4 terminal quantity, male terminal gender
• M18 x 1.5 thread size and 22 mm wrench size
• Walker OE Base Sensor line for OE-style replacement needs

Product Details

The Walker OE Base Sensor line focuses on application-specific engine management sensors that match the required fitment position and diagnostic feedback expected by the vehicle ECU. Part number 250-241303 is a downstream oxygen sensor for 2014-2022 Volkswagen Passat, 2014-2019 Volkswagen Beetle, and 2013-2018 Volkswagen Jetta, with an additional 2013 Volkswagen Beetle Tier 2 Emissions application. This sensor is designed for vehicles that use a narrow-band, heated O2 sensor in the exhaust stream to monitor emissions-related performance after the catalytic converter.

Walker Products has supplied engine management and oxygen/air-fuel sensors since 1946 and manufactures electronic components under ISO 9001/TS 16949 quality systems. Part number 250-241303 is built for the specified application, connector style, and thread dimensions to support proper installation on the listed Volkswagen models.

Common Issues This Sensor May Address

• Check engine light related to downstream oxygen sensor faults
• Poor fuel economy caused by incorrect exhaust feedback data
• Increased exhaust emissions from a failing O2 sensor
• Rough engine operation tied to sensor signal errors
• Stored ECU fault codes for the affected emissions system

Installation Notes and Tips

Before replacing the sensor, inspect the wiring harness and connector for heat damage, corrosion, or broken terminals. Confirm the downstream location, thread size, and connector shape match the original part before installation. If the vehicle has stored fault codes, clear them after installation and verify that the ECU completes its readiness checks.

Quality Assurance

Walker Products manufactures this OE Base Sensor under ISO 9001/TS 16949 quality standards and builds it for the specific vehicle application and diagnostic requirements. If you are sourcing a Walker oxygen sensor for Volkswagen Passat, Beetle, or Jetta, part number 250-241303 is the application-specific replacement to compare against the original sensor.