Walker 350-33023 Oxygen Sensor - Upstream

Overview of Walker 350-33023 Oxygen Sensor

The Walker 350-33023 oxygen sensor is designed specifically for select Mercedes-Benz models, including the 260E, 300CE, 300E, 300SE, 300SEL, 300TE, and 560SL. This heated oxygen sensor provides accurate emissions monitoring to help maintain engine performance and comply with emission standards.

• Heated sensor type for faster response times
• Specific fit for Mercedes-Benz models listed
• 27.28-inch wiring harness length for optimal installation
• 20 gauge wire with 3-wire configuration
• Radiused polygon female connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 30.83 inches

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by Mercedes-Benz vehicles such as the 300E and 560SL. The heated sensor design allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 3-wire setup with 20 gauge wiring ensures reliable signal transmission, while the 27.28-inch wiring harness length provides flexibility during installation. The radiused polygon female connector and threaded mounting type with an 18.0 mm diameter thread ensure a secure and precise fit, minimizing the risk of leaks or sensor failure.

Applications and Problem Solving

• Helps maintain proper air-fuel mixture for engine efficiency
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers caused by sensor failure
• Supports compliance with emission control regulations

Installation Notes and Tips

When installing the Walker 350-33023 oxygen sensor, ensure the vehicle is compatible with the specific fitment list including Mercedes-Benz 260E, 300CE, and 300SEL models. Use appropriate tools to avoid damaging the 18.0 mm threaded mounting. Verify the radiused polygon female connector matches the vehicle harness for a secure connection. It is recommended to replace the sensor when the engine is cool to prevent injury and to apply anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Walker Products Aftermarket maintains strict quality control standards for their emission control sensors. The 350-33023 oxygen sensor is manufactured to meet OEM specifications for durability and performance. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.