Walker 250-24034 Oxygen Sensor - Upstream

Overview of Walker 250-24034 Oxygen Sensor for Mercedes-Benz

The Walker 250-24034 oxygen sensor is designed specifically for select Mercedes-Benz models including the 300CE, 300E, 300TE, and E320. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Mercedes-Benz 300CE, 300E, 300TE, and E320 models
• 27.48-inch wiring harness length with 20 gauge wire for durability
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Radiused polygon female connector for proper electrical connection
• Overall length of 31.02 inches to accommodate factory specifications

Detailed Features and Specifications

This Walker oxygen sensor (part number 250-24034) features a heated sensor type that allows for faster warm-up times and improved fuel efficiency. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The wiring harness length of 27.48 inches and 20 gauge wire measurement provide the necessary reach and durability for installation in the exhaust system of compatible Mercedes-Benz vehicles. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust manifold or pipe. The radiused polygon female connector is designed to match the original equipment specifications, facilitating a straightforward plug-and-play replacement.

Walker Products OE Line Information

The Walker Products OE line focuses on delivering direct-fit emission control components that meet original equipment standards. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed parts. Using a Walker Products OE sensor helps maintain the integrity of your Mercedes-Benz’s emissions system and supports compliance with environmental regulations.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and prevent check engine light triggers
• Addresses rough idling and poor fuel economy caused by sensor failure
• Prevents damage to catalytic converters by ensuring correct sensor operation

Installation Notes and Tips

When installing the Walker 250-24034 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the connector shape and gender match the vehicle’s harness before installation. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker oxygen sensors are manufactured to meet or exceed OEM standards for fit, form, and function. The 250-24034 part undergoes rigorous testing to ensure durability and reliable performance in emission control applications. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.