Walker 350-31042 Oxygen Sensor - Upstream

Walker OE Replacement Oxygen Sensor

Walker OE Replacement oxygen sensor Part Number 350-31042 is a specific-fit, non-heated sensor for select Volkswagen applications. It is built with a male connector, 1-wire design, and 20-gauge wiring to match the original-style setup on covered vehicles.

Key Features

• OE Replacement line for direct-fit service on covered Volkswagen models
• Non-heated oxygen sensor design
• Specific fit for easier application matching
• Male connector with 1-wire configuration
• Wiring harness length: 16.46 in.
• Overall length: 20.00 in.
• Thread diameter: 18.00 mm
• Wire gauge: 20

Detailed Description

Walker OE Replacement Part Number 350-31042 is an oxygen sensor intended for emissions system service on select Volkswagen Derby and Volkswagen Golf models. The OE Replacement product line focuses on direct-fit components that follow original-style dimensions and connector layout, helping maintain proper sensor placement and electrical connection. This sensor is listed for Fits 2002-2005 Volkswagen Derby, N/A; Fits 1999 Volkswagen Golf, Upstream, with 2 Pins; Fits 1995-1997 Volkswagen Golf, Upstream, with 2 Pins; and Fits 1995 Volkswagen Derby, Upstream.

For shoppers searching for a Volkswagen Golf upstream oxygen sensor or a Volkswagen Derby OE replacement oxygen sensor, 350-31042 provides the specified thread size, harness length, and connector style needed for the listed applications. Walker 350-31042 is also a relevant match when replacing an original non-heated sensor on these vehicles.

What This Part Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel mixture readings from a worn sensor
• Emissions test failures tied to sensor output issues
• Rough idle or drivability concerns caused by inaccurate exhaust feedback
• Connector or wiring mismatch during sensor replacement

Installation Notes and Tips

Confirm the vehicle year, model, and sensor position before ordering. This part is listed for upstream and N/A positions only, and some applications note a 2-pin configuration. Verify thread diameter, connector gender, and harness length against the original sensor before installation. Use proper oxygen sensor service procedures to avoid damaging the wiring or exhaust threads.

Quality Assurance

Walker OE Replacement parts are built for direct-fit service on the listed applications and are specified to match original-style sensor dimensions and connector requirements for covered Volkswagen models.