Walker 250-24428 Oxygen Sensor - Downstream

Overview of Walker 250-24428 Oxygen Sensor for Volvo S40 and V40

The Walker 250-24428 oxygen sensor is designed specifically for Volvo S40 and V40 models, 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 4 wires for accurate readings
• Specific fit for Volvo S40 and V40 models
• 35.75-inch wiring harness length for flexible placement
• Thread diameter of 18.0 mm with threaded mounting
• Radiused polygon male connector for reliable connection
• Overall length of 39.29 inches for proper fitment
• 20 gauge wire measurement for durability and signal integrity

Detailed Product Description

The Walker 250-24428 oxygen sensor is engineered to meet the exact specifications of Volvo S40 and V40 vehicles. This heated sensor uses four wires to provide fast and accurate feedback to the engine control unit, helping to maintain optimal air-fuel mixture and reduce harmful emissions. The sensor’s 18.0 mm threaded mounting ensures a secure fit, while the radiused polygon male connector guarantees a stable electrical connection. With a wiring harness length of 35.75 inches and an overall length of 39.29 inches, this sensor offers the necessary reach and flexibility for proper installation in the designated vehicle models.

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, designed to meet or exceed the performance and durability standards set by vehicle manufacturers. Choosing a Walker Products OE sensor ensures compatibility and reliable operation within the Volvo S40 and V40 emission systems.

Common Applications and Issues Addressed

• Helps correct engine misfires caused by faulty oxygen sensors
• Reduces excessive fuel consumption due to inaccurate air-fuel ratio readings
• Prevents increased emissions and failed emissions tests
• Eliminates rough idling and poor acceleration linked to sensor failure
• Supports proper catalytic converter function by providing accurate oxygen level data

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded mounting removal and installation
• Verify connector type matches the radiused polygon male connector on the sensor
• Do not over-tighten the sensor; follow manufacturer torque specifications
• Inspect wiring harness for damage before installation to ensure signal integrity

Quality Assurance and Warranty

Walker oxygen sensors, including part number 250-24428, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker Products OE components typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the sensor’s reliability when installed in compatible Volvo S40 and V40 vehicles.