Dorman 904-403 Exhaust Gas Temperature (EGT) Sensor

Overview of the Dorman 904-403 Exhaust Gas Temperature Sensor

The Dorman 904-403 Exhaust Gas Temperature (EGT) Sensor is designed for specific Ford vehicles, including the F-250 Super Duty, F-350 Super Duty, Ranger, and Transit series. This sensor monitors exhaust gas temperatures to help maintain optimal engine performance and emissions control.

• Wiring harness length of 390 mm for precise installation
• Black square female connector with two male blade terminals
• Straight angle design with a 12 mm thread diameter and 1.25 thread pitch
• Tip width of 4.8 mm for accurate temperature sensing
• Includes one EGT sensor and one bung repair kit

Detailed Product Description

The Dorman 904-403 EGT sensor features a specific fitment tailored for Ford trucks and vans such as the F-250 Super Duty, F-350 Super Duty, Ranger, and Transit-150, Transit-250, Transit-350, and Transit-350 HD models. Its wiring harness measures 390 mm, providing sufficient length for secure connections. The sensor uses a black, square-shaped female connector with two male blade terminals, ensuring reliable electrical contact. The straight angle sensor design with a 12 mm thread diameter and 1.25 thread pitch allows for straightforward installation into the exhaust system. The 4.8 mm tip width is engineered to deliver precise temperature readings critical for emission control systems.

Common Applications and Issues Addressed

• Helps monitor exhaust gas temperatures to prevent engine overheating
• Supports emission control systems in maintaining regulatory compliance
• Detects exhaust system malfunctions that can affect fuel efficiency
• Assists in preventing damage to turbochargers and catalytic converters
• Improves engine performance by providing accurate temperature data

Installation Notes and Tips

When installing the Dorman 904-403 EGT sensor, ensure the sensor threads match the exhaust bung with a 12 mm diameter and 1.25 pitch. The straight angle design facilitates alignment with the exhaust pipe. Verify the black square female connector mates securely with the vehicle’s wiring harness, which includes two male blade terminals. Proper connection is essential for accurate sensor readings. Use the included bung repair kit if the exhaust port requires maintenance before sensor installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 904-403 EGT sensor undergoes rigorous testing to ensure durability and reliable performance in demanding exhaust environments. While specific warranty details are not provided here, Dorman typically offers limited warranties on their emission control components to support product quality and customer confidence.