Walker 350-34788 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 350-34788 Oxygen Sensor

The Walker 350-34788 oxygen sensor is designed specifically for select Audi and Volkswagen 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 with 4-wire configuration
• Specific fit for Audi and Volkswagen vehicles including A3, Golf, Jetta, and more
• 27.55-inch wiring harness length with 20 gauge wire
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 30.51 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34788) is engineered to meet the exact specifications required by various Audi and Volkswagen models such as the A3 Quattro, Golf R, Passat, and TT Quattro. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. Featuring a 4-wire design with 20 gauge wiring, it ensures accurate signal transmission to the engine control unit. The sensor’s 18.0 mm threaded mounting and radiused polygon male connector provide a secure and precise fit, minimizing installation issues. With a wiring harness length of 27.55 inches and an overall length of 30.51 inches, this oxygen sensor is tailored for specific vehicle applications rather than universal use.

Compatible Vehicles and Applications

• Compatible with Audi models: A3, A3 Quattro, A8 Quattro, R8, S3, TT Quattro, TTS Quattro
• Compatible with Volkswagen models: Atlas, Atlas Cross Sport, Beetle, Golf, Golf Alltrack, Golf R, Golf SportWagen, GTI, Jetta, Passat, Teramont
• Designed for emission control and accurate oxygen level monitoring
• Helps address issues such as poor fuel economy, rough idling, and failed emissions tests

Installation Notes and Tips

• Ensure vehicle compatibility by verifying make, model, and year before installation
• Use proper tools to avoid damaging the 18.0 mm threaded sensor during installation
• Check connector orientation; the radiused polygon male connector must align correctly for secure connection
• Allow the engine to cool before removing the old sensor to prevent injury
• Follow manufacturer torque specifications to avoid sensor damage

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards for durability and performance. The 350-34788 oxygen sensor undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in product quality.