Dorman 904-752 Exhaust Gas Temperature (EGT) Sensor - Before Particulate Filter

Overview of Dorman 904-752 Exhaust Gas Temperature Sensor

The Dorman 904-752 Exhaust Gas Temperature (EGT) Sensor is designed specifically for select Mercedes-Benz models including the GL320, GL350, ML320, and ML350. This sensor plays a critical role in monitoring exhaust temperatures to help maintain optimal engine performance and emissions control.

• Wiring harness length of 370 mm for precise installation
• Black connector with an irregular shape for secure fitment
• Blade terminal type with 2 terminals (female) ensuring reliable electrical connection
• Male connector gender and nut thread for proper mating
• Thread diameter of 14 mm with a 1.5 mm thread pitch
• Straight angle design with a 7 mm tip width for accurate temperature sensing
• Includes 1 EGT sensor, 1 bung repair kit, and 1 zip tie in the package
• Specific fitment for Mercedes-Benz GL320, GL350, ML320, and ML350 models

Detailed Product Description

The Dorman 904-752 EGT sensor is engineered to provide precise exhaust gas temperature readings, which are essential for the vehicle’s emission control system. Its 370 mm wiring harness length allows for flexible routing during installation, while the black irregular-shaped connector ensures a secure and vibration-resistant connection. The sensor features a blade terminal type with two female terminals, paired with a male connector gender, facilitating a reliable electrical interface. The 14 mm thread diameter and 1.5 mm thread pitch allow for a secure and leak-free installation into the exhaust system. The straight angle design and 7 mm tip width optimize sensor responsiveness and durability under high-temperature conditions. This sensor is a specific fit for Mercedes-Benz GL320, GL350, ML320, and ML350 models, ensuring compatibility and performance without modification.

Common Applications and Issues Addressed

• Helps monitor exhaust gas temperatures to prevent engine overheating
• Supports emission control systems by providing accurate temperature data
• Prevents potential damage to turbochargers and catalytic converters
• Assists in maintaining fuel efficiency and engine performance
• Resolves sensor-related error codes and warning lights on compatible Mercedes-Benz models

Installation Notes and Tips

When installing the Dorman 904-752 EGT sensor, ensure the wiring harness is routed away from excessive heat sources and moving parts. Use the included bung repair kit to properly seal the sensor mounting point and prevent exhaust leaks. The zip tie provided can be used to secure the wiring harness and prevent strain on the connector. Verify the sensor’s thread pitch and diameter match the vehicle’s exhaust port before installation. It is recommended to disconnect the battery before installation to avoid electrical shorts.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 904-752 EGT sensor undergoes rigorous quality control testing to ensure proper fit and function on specified Mercedes-Benz models. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use.