Walker 350-35090 Oxygen Sensor - Upstream Rear

Overview of Walker Oxygen Sensor for Volkswagen R32

The Walker 350-35090 oxygen sensor is designed specifically for Volkswagen R32 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 for accurate emissions monitoring
• Specific fit for Volkswagen R32
• 31.69-inch wiring harness length with 5 wires
• 20 gauge wire measurement for durability
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 40.35 inches for proper fitment

Detailed Product Description

The Walker 350-35090 oxygen sensor is engineered to meet the exact specifications of the Volkswagen R32, providing reliable feedback to the engine control unit (ECU) for efficient fuel management and reduced emissions. This heated sensor type allows for quicker activation and improved performance in various operating conditions. The 5-wire configuration and 20 gauge wiring ensure consistent signal transmission, while the 31.69-inch wiring harness length offers flexibility during installation. The sensor’s threaded mounting type with an 18.0 mm diameter thread guarantees a secure fit, and the radiused polygon male connector facilitates a stable electrical connection.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This product line focuses on delivering reliable, vehicle-specific sensors and parts that support emission compliance and engine efficiency. The 350-35090 oxygen sensor is part of this line, providing Volkswagen R32 owners with a sensor tailored to their vehicle’s requirements.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture
• Helps resolve check engine light triggers related to O2 sensor faults
• Improves fuel economy by providing precise emissions data
• Reduces harmful exhaust emissions for compliance with regulations
• Prevents engine performance issues caused by faulty sensors

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 350-35090 oxygen sensor securely using the threaded mounting. Verify the connector matches the radiused polygon male type for proper connection. Avoid damaging the wiring harness during installation and confirm the sensor is positioned correctly to maintain accurate readings.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet stringent quality standards. The 350-35090 oxygen sensor undergoes rigorous testing to ensure durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.