Dorman 904-786 Exhaust Gas Temperature (EGT) Sensor - Front Upper

Overview of the Dorman 904-786 Exhaust Gas Temperature Sensor

The Dorman 904-786 Exhaust Gas Temperature (EGT) Sensor is designed specifically for Ram ProMaster 1500, 2500, and 3500 models. This sensor monitors exhaust gas temperatures to help maintain optimal engine performance and emissions control.

• Wiring harness length: 570 mm for flexible installation
• Black oval-shaped female connector with 2 male blade terminals
• Single wire with a straight angle design for precise fitment
• Thread diameter of 14 mm with 1.5 mm pitch for secure mounting
• Includes 1 EGT sensor, 1 bung repair kit, and 1 zip tie
• Specific fit for Ram ProMaster series vehicles

Detailed Product Description

The Dorman 904-786 EGT sensor features a 570 mm wiring harness that provides ample length for installation in the exhaust system of Ram ProMaster 1500, 2500, and 3500 vans. Its black oval-shaped female connector with two male blade terminals ensures a reliable electrical connection. The sensor’s straight angle design and 14 mm thread diameter with a 1.5 mm pitch allow for precise and secure mounting in the exhaust manifold or downpipe. The included bung repair kit and zip tie facilitate proper installation and maintenance. This sensor is engineered as a specific fit part, ensuring compatibility and performance with the Ram ProMaster series.

Common Applications and Issues Addressed

• Monitors exhaust gas temperature to prevent engine overheating
• Helps maintain emissions compliance by providing accurate temperature data
• Detects potential exhaust leaks or sensor failures
• Supports engine control unit (ECU) in optimizing fuel mixture
• Prevents damage to turbochargers and catalytic converters

Installation Notes and Tips

• Ensure the sensor is installed with the correct thread pitch (1.5 mm) and diameter (14 mm)
• Use the included bung repair kit to prepare the mounting location if necessary
• Verify the connector orientation matches the vehicle’s wiring harness (female oval connector with male blade terminals)
• Secure wiring harness with the provided zip tie to prevent movement or damage
• Consult the vehicle’s service manual for torque specifications and sensor location

Quality Assurance and Warranty

Dorman manufactures the 904-786 EGT sensor to meet or exceed OEM specifications for fit, form, and function. Each sensor undergoes rigorous testing to ensure durability and reliable performance in demanding exhaust environments. This part is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use.