Walker 250-23812 Oxygen Sensor - Upstream

Overview of Walker 250-23812 Oxygen Sensor for Volvo 940

The Walker Products OE 250-23812 oxygen sensor is designed specifically for the Volvo 940, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Volvo 940 models
• 72.36 inches wiring harness length for flexible routing
• 20 gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 75.91 inches for proper fitment

Detailed Product Description

The Walker Products OE 250-23812 oxygen sensor is engineered to meet the exact specifications of the Volvo 940. This heated sensor uses a 3-wire design to provide accurate oxygen level readings to the engine control unit, helping maintain efficient fuel combustion and reduce emissions. The 20 gauge wire ensures consistent electrical conductivity, while the 72.36-inch wiring harness length allows for convenient installation without strain. The sensor’s threaded mounting type with an 18.0 mm diameter thread provides a secure and leak-free fit. Additionally, the radiused polygon male connector is designed for a precise and reliable connection, minimizing the risk of electrical faults.

Walker Products OE Brand Line

Walker Products OE is a product line focused on delivering original equipment quality emission control components. This oxygen sensor is part of that line, offering a direct replacement solution that matches the fit, form, and function of the original sensor installed in the Volvo 940. The OE line emphasizes compatibility and durability to support vehicle emission standards and engine performance.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Volvo 940
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data
• Prevents check engine light triggers caused by sensor malfunction
• Improves fuel efficiency by enabling proper engine tuning

Installation Notes and Tips

When installing the Walker 250-23812 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to avoid damage. Verify the wiring harness length of 72.36 inches is sufficient for routing without tension. Confirm the radiused polygon male connector aligns properly with the vehicle’s wiring harness to ensure a secure connection. Follow manufacturer torque specifications for mounting to prevent leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards for emission control components. While specific warranty details for part number 250-23812 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability in Volvo 940 applications.