Walker 250-54010 Oxygen Sensor - Upstream

Overview of Walker 250-54010 Oxygen Sensor for Volvo S70 and V70

The Walker 250-54010 oxygen sensor is designed specifically for Volvo S70 and V70 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.

• Wiring harness length: 18.23 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Volvo S70 and V70
• Four-wire configuration with radiused polygon male connector
• Thread diameter: 18.0 mm
• Overall length: 21.77 inches
• Threaded mounting type for reliable attachment

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-54010 oxygen sensor from this line is engineered to provide consistent performance and durability, matching the exact fit and function required by Volvo S70 and V70 vehicles.

Technical Description and Features

This oxygen sensor utilizes a heated design to reduce warm-up time, improving fuel efficiency and reducing emissions sooner after engine start. The four-wire setup includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings. The 18.23-inch wiring harness length and 21.77-inch overall length provide sufficient reach for proper installation in the exhaust system. The radiused polygon male connector and 18.0 mm threaded mounting type ensure a secure and precise fit, minimizing the risk of leaks or sensor failure.

Common Applications and Problem Resolution

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Addresses check engine light triggers caused by faulty oxygen sensors
• Improves fuel economy by providing accurate oxygen level data
• Reduces harmful emissions by enabling proper catalytic converter function
• Prevents rough idling and engine hesitation linked to sensor malfunction

Installation Notes and Tips

When installing the Walker 250-54010 oxygen sensor, 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. Connect the radiused polygon male connector securely to the vehicle’s wiring harness, verifying the four-wire configuration matches the original sensor. Avoid over-tightening the sensor to prevent damage to the threads or sensor body.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and longevity. This part number 250-54010 is backed by Walker’s quality assurance processes, providing confidence in fitment and function for Volvo S70 and V70 models. Warranty details are available through the manufacturer and typically cover defects in materials and workmanship.