Walker 250-21035 Oxygen Sensor - Upstream

Overview of Walker 250-21035 Oxygen Sensor for Mazda Miata

The Walker 250-21035 oxygen sensor is designed specifically for Mazda Miata models, providing precise emission control monitoring. This non-heated sensor features a threaded mounting type and a radiused polygon female connector, ensuring a secure and accurate fit.

• Wiring harness length: 19.41 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non-heated oxygen sensor
• Specific fit for Mazda Miata
• Wire quantity: 1
• Connector shape: Radiused polygon
• Connector gender: Female
• Thread diameter: 18.0 mm
• Overall length: 22.95 inches
• Mounting type: Threaded

Detailed Description of Walker Products OE Oxygen Sensor

This oxygen sensor, part number 250-21035, is part of the Walker Products OE line, which focuses on delivering original equipment quality and fitment. The Walker Products OE series is engineered to meet or exceed OEM specifications, ensuring reliable performance and compatibility. This sensor is a non-heated type, suitable for applications where heated sensors are not required, and it is designed with a single wire and a radiused polygon female connector for precise installation.

Applications and Common Issues Addressed

• Monitors exhaust oxygen levels to optimize fuel mixture
• Helps reduce harmful emissions in Mazda Miata vehicles
• Prevents engine performance issues related to incorrect air-fuel ratio
• Resolves check engine light triggers related to oxygen sensor faults
• Supports efficient catalytic converter operation

Installation Notes and Tips

• Ensure the threaded mounting hole is clean and free of debris before installation
• Use appropriate tools to avoid damaging the 18.0 mm thread diameter
• Verify connector compatibility with the radiused polygon female connector on the vehicle harness
• Handle wiring harness carefully to maintain the 19.41-inch length without stretching or kinking

Quality Assurance and Warranty Information

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and accurate sensor readings. The 250-21035 oxygen sensor undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.