Walker 250-21016 Oxygen Sensor - Upstream

Overview of Walker 250-21016 Oxygen Sensor

The Walker 250-21016 oxygen sensor is a specific fit, non-heated sensor designed to meet precise emission control requirements. Engineered with a 14.29-inch wiring harness and a 20-gauge wire, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Wiring harness length: 14.29 inches
• Wire gauge measurement: 20
• Sensor type: Non heated
• Specific fitment design
• Single wire configuration
• Radiused polygon male connector
• Thread diameter: 18.0 mm
• Overall length: 17.83 inches
• Threaded mounting type

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality and fitment. Walker Products OE sensors are engineered to match the specifications of the original sensor installed by the vehicle manufacturer, ensuring reliable performance and compatibility with specific vehicle makes and models.

Technical Description and Features

The Walker 250-21016 oxygen sensor features a non-heated design with a single 20-gauge wire, making it suitable for applications where a heated sensor is not required. Its 14.29-inch wiring harness and radiused polygon male connector provide a secure and precise connection. The sensor’s 18.0 mm threaded mounting allows for straightforward installation in compatible exhaust systems. With an overall length of 17.83 inches, this sensor fits specific vehicle applications requiring exact dimensions and connector types.

Common Applications and Problem Resolution

• Helps correct inaccurate air-fuel mixture readings
• Resolves engine performance issues related to oxygen sensor failure
• Reduces emissions by providing accurate feedback to the engine control unit
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

Ensure the threaded mounting hole matches the 18.0 mm diameter for proper fitment. The radiused polygon male connector should align with the vehicle’s wiring harness connector to avoid connection issues. Handle the sensor carefully to prevent damage to the wiring harness and sensor tip. It is recommended to use anti-seize compound on the threads during installation to facilitate future removal.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed original equipment standards. While specific warranty details for part number 250-21016 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure long-term reliability.