Walker 350-33001 Oxygen Sensor - Upstream

Overview of Walker 350-33001 Oxygen Sensor

The Walker 350-33001 oxygen sensor is designed specifically for select Audi and Hyundai models, including the Audi S4, S6, and V8 Quattro, as well as the Hyundai Scoupe. This heated oxygen sensor provides precise emissions control by accurately monitoring exhaust gases to optimize engine performance and fuel efficiency.

• Heated sensor type for faster response times
• Specific fit for Audi S4, S6, V8 Quattro and Hyundai Scoupe
• 29.06-inch wiring harness length for flexible installation
• 20 gauge wire measurement with 3 wires for reliable signal transmission
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon connector shape with male and female connectors
• Overall length of 32.6 inches for proper fitment

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by the listed Audi and Hyundai vehicles. The heated sensor element ensures quicker activation and more accurate readings under various operating conditions. The 29.06-inch wiring harness length allows for convenient routing within the engine bay, while the 20 gauge wire and three-wire configuration support stable electrical connections. The sensor’s threaded mounting type with an 18.0 mm diameter ensures secure installation. The radiused polygon connector shape with both male and female connectors facilitates compatibility with factory wiring harnesses, reducing installation complexity.

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 parts that maintain emission compliance and engine efficiency. The 350-33001 oxygen sensor is part of this line, providing a direct replacement solution tailored for Audi and Hyundai models requiring precise sensor performance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and prevent failed emissions tests
• Eliminates rough idling and poor fuel economy caused by sensor failure
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Use the correct tools to remove the old sensor and install the Walker 350-33001 sensor, threading it securely without over-tightening. Verify connector compatibility with the radiused polygon connectors and ensure wiring harness routing avoids heat sources or moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards for durability and performance. While specific warranty details for part number 350-33001 should be confirmed at the point of purchase, Walker typically offers limited warranties covering defects in materials and workmanship to ensure customer confidence in their emission control components.