Walker 350-33053 Oxygen Sensor - Upstream

Overview of Walker 350-33053 Oxygen Sensor

The Walker 350-33053 oxygen sensor is designed specifically for select Volkswagen models, including the Cabriolet, Corrado, EuroVan, Fox, Golf, and Jetta. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated sensor type for faster response times
• Specific fit for Volkswagen models: Cabriolet, Corrado, EuroVan, Fox, Golf, and Jetta
• Threaded mounting type with 18.0 mm thread diameter
• 21.38 inches wiring harness length with 3 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 24.92 inches for proper installation

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by Volkswagen vehicles such as the Golf and Jetta. The heated sensor element allows the unit to reach operating temperature quickly, improving emissions control and fuel efficiency. Featuring a threaded mounting type with an 18.0 mm thread diameter, the sensor installs securely in the exhaust system. The wiring harness length of 21.38 inches and 3-wire configuration with 20 gauge wire ensures compatibility with the vehicle’s electrical system. The radiused polygon male connector provides a reliable and precise fit, reducing the risk of connection issues.

Walker Products Aftermarket offers a comprehensive line of emission control components designed to meet or exceed OEM standards. This product line focuses on delivering reliable, vehicle-specific sensors that support proper engine management and emissions compliance. The 350-33053 oxygen sensor is part of this line, providing a direct replacement solution for Volkswagen models requiring a heated oxygen sensor with specific fitment requirements.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine performance
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Improves fuel economy by providing precise sensor data
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools to avoid damaging the 18.0 mm threaded mounting
• Verify connector type matches the radiused polygon male connector on the sensor
• Check wiring harness length (21.38 inches) for proper routing and connection
• Follow vehicle-specific service manual instructions for sensor replacement

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 350-33053 should be confirmed with the supplier, Walker typically provides coverage against defects in materials and workmanship. This oxygen sensor is designed to maintain emissions compliance and support long-term vehicle operation.