Walker 250-23811 Oxygen Sensor - Upstream

Overview of Walker 250-23811 Oxygen Sensor for Volvo 740

The Walker 250-23811 oxygen sensor is designed specifically for the Volvo 740, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon connector, tailored for a direct fit on your vehicle.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Volvo 740 models
• Threaded mounting with 18.0 mm thread diameter
• 65.28 inches wiring harness length with 3 wires of 20 gauge
• Radiused polygon connectors with male and female ends
• Overall length of 68.82 inches for proper installation

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-23811) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The sensor includes a 65.28-inch wiring harness with three 20-gauge wires, allowing for reliable electrical connections. Its radiused polygon connectors, available in both male and female configurations, ensure secure and precise mating with the vehicle’s wiring system. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and a secure fit on the Volvo 740.

Walker Products OE Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, providing a direct replacement solution designed to maintain the emission control system’s integrity on the Volvo 740. Using a Walker Products OE sensor helps ensure compatibility and durability consistent with the vehicle’s original components.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for proper air-fuel mixture
• Helps resolve rough idling and engine hesitation
• Reduces increased emissions and failed emissions tests
• Prevents poor fuel economy caused by faulty sensors
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 250-23811 oxygen sensor on a Volvo 740, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the wiring harness length and connector types match the vehicle’s specifications before installation. Proper torque should be applied to avoid damage to the sensor or mounting threads.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports the longevity of the vehicle’s emission control system.