Dorman 904-7639 Exhaust Brake Actuator

Reliable Exhaust Brake Actuator for Specific Vehicle Applications

The Dorman 904-7639 exhaust brake actuator is designed to provide precise control for exhaust braking systems in select vehicle models. Engineered with a direct mount type and durable steel flange, this actuator ensures consistent performance and fitment accuracy.

• Direct mount type for secure installation
• Steel flange material for enhanced durability
• Gray housing color for corrosion resistance
• Pipe inlet and outlet inside diameter of 0.12 inches
• Specific fit designed for targeted vehicle compatibility

Durable Construction and Precise Fitment

This exhaust brake actuator from Dorman features a robust steel flange and a gray housing designed to withstand harsh operating conditions. The direct mount type allows for straightforward installation on compatible vehicles, ensuring a tight and reliable fit. With pipe inlet and outlet diameters of 0.12 inches, the actuator integrates seamlessly with the exhaust system components. The part number 904-7639 corresponds to a specific fit, making it suitable for certain makes and models requiring this exact actuator specification.

Applications and Problem Resolution

This actuator is used in exhaust brake systems to help control engine braking, improving vehicle safety and control during deceleration. It addresses several common issues:

• Inconsistent exhaust brake engagement
• Reduced engine braking efficiency
• Excessive wear on service brakes
• Delayed response in exhaust brake activation
• Leaks or failures in the actuator mechanism

Installation Notes and Tips

Installation of the Dorman 904-7639 exhaust brake actuator requires a direct mount to the exhaust system flange. Ensure the mounting surface is clean and free of debris before installation. Since mounting hardware is not included, use the existing hardware or source compatible fasteners. Verify pipe inlet and outlet diameters match the exhaust system specifications to avoid leaks or improper fitment.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number 904-7639 should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in material and workmanship.