Walker 250-24177 Oxygen Sensor

Walker OE Oxygen Sensor for Saab and Volvo

Walker Products OE 250-24177 is a heated oxygen sensor built as an OE-style replacement for specific Saab and Volvo applications. It is designed for the correct fitment position and ECU feedback required by the vehicle’s engine management system.

Key Features

• Heated oxygen sensor for faster operating response
• Specific-fit design for direct application matching
• 4-wire configuration with 20-gauge wiring
• Male connector with radiused polygon shape
• Threaded mounting with 18.0 mm thread diameter
• Wiring harness length: 66.46 in; overall length: 70.0 in

Product Details

Walker Products OE 250-24177 is part of the Walker Products OE line, which focuses on application-specific engine management sensors for exact vehicle placement and signal feedback. This oxygen sensor is engineered for downstream and upstream positions where listed, including Saab 9-5 downstream coverage and Volvo S90, V90, and 960 upstream coverage. For drivers searching for a downstream oxygen sensor for a 2000 Saab 9-5 or an upstream oxygen sensor for a 1997-1998 Volvo S90, this part number provides the correct OE-style replacement format. Walker Products 250-24177 is intended to restore accurate exhaust monitoring so the ECU can process sensor input as expected.

What It Helps Address

• Check engine or malfunction indicator light related to oxygen sensor faults
• Poor engine performance caused by incorrect exhaust feedback
• Increased fuel consumption from inaccurate air-fuel monitoring
• Higher exhaust emissions from a failing sensor
• Stored ECU fault codes tied to the affected sensor circuit

Installation Notes

Verify the sensor position before installation. This part is listed for specific upstream and downstream applications, including downstream rear and downstream front positions on certain Saab 9000 models. Inspect the sensor, wiring harness, and connector for physical damage before replacement, since damaged components can shorten service life and affect signal quality. Confirm thread size, connector style, and harness length against the original part before installation.

Quality Assurance

Walker Products has manufactured engine management and oxygen/air-fuel sensors for decades and operates as an ISO 9001/TS 16949 certified company. The Walker Products OE 250-24177 is built to meet the application-specific requirements of the listed vehicles, including Saab 9-5, Saab 9000, Volvo S90, Volvo V90, and Volvo 960.