Walker 350-34043 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34043 Oxygen Sensor

The Walker 350-34043 oxygen sensor is designed specifically for select Chevrolet, Geo, Pontiac, and Suzuki models. 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 oxygen sensor with 4 wires for reliable operation
• Specific fit for Chevrolet, Geo, Pontiac, and Suzuki vehicles
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure electrical connection
• Wiring harness length of 19.21 inches and overall length of 22.76 inches
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34043) is engineered to meet the exact specifications of your vehicle’s original equipment. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings under various driving conditions. The sensor includes a 4-wire configuration, which supports both the heating element and signal transmission, ensuring consistent performance. Its radiused polygon female connector is designed for a secure and precise fit, minimizing the risk of electrical issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems.

Compatible Vehicles and Applications

This oxygen sensor is compatible with specific models from Chevrolet, Geo, Pontiac, and Suzuki, including the Chevrolet Tracker, Geo Metro, Pontiac Sunrunner, Suzuki Swift, and Suzuki Vitara among others. The part number 350-34043 is tailored for these vehicles to maintain proper emissions control and engine efficiency.

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance problems such as rough idling or hesitation
• Failed emissions tests related to sensor accuracy

Installation Notes and Tips

When installing the Walker 350-34043 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon female shape matches the vehicle harness for a secure connection. Avoid twisting or pulling on the wiring harness, which measures 19.21 inches, to maintain wire integrity. Proper torque specifications should be followed to ensure a tight seal without over-tightening.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards. The 350-34043 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term functionality.