Walker 350-35132 Oxygen Sensor - Upstream or Upstream Left

Overview of Walker 350-35132 Oxygen Sensor

The Walker 350-35132 oxygen sensor is designed specifically for select Audi, Porsche, and Volkswagen models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated sensor type for faster response times
• Specific fit for Audi A4, A4 allroad, A4 Quattro, A6, A6 Quattro, Porsche Macan, Volkswagen Beetle and Jetta
• 12.79-inch wiring harness length with 5 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 18.11 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-35132) is engineered to meet the exact specifications of your vehicle’s emission system. The heated sensor element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 5-wire design with 20 gauge wiring ensures reliable signal transmission, while the 12.79-inch wiring harness length provides adequate reach for installation in the exhaust system. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter guarantee a secure and precise fit. This sensor is tailored for specific applications, including Audi A4, A4 allroad, A4 Quattro, A6, A6 Quattro, Porsche Macan, and Volkswagen Beetle and Jetta models, ensuring compatibility and performance.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a reliable replacement option designed to maintain your vehicle’s emission system integrity. Walker’s aftermarket sensors are engineered for durability and precise fitment, supporting proper engine management and emissions compliance.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related check engine light triggers
• Prevents failed emissions tests due to faulty sensors
• Improves overall engine performance and drivability

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for removal and installation
• Verify connector type matches the vehicle harness (radiused polygon male)
• Apply anti-seize compound on threads if not pre-coated
• Check wiring harness length (12.79 inches) for proper routing

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards. While specific warranty details may vary, these sensors typically come with a limited warranty covering defects in materials and workmanship. Using a Walker oxygen sensor like the 350-35132 helps maintain emission system reliability and vehicle compliance.