Dorman 977-782 Fuel Injection Throttle Body

Overview of Dorman Fuel Injection Throttle Body 977-782

The Dorman 977-782 fuel injection throttle body is designed for reliable performance in Chrysler, Dodge, and Ram vehicles, including Ram 1500, 2500, 3500, Aspen, and Durango models. This electronic throttle body ensures precise airflow control to optimize engine efficiency and responsiveness.

• Electronic throttle body with integrated throttle position sensor
• Constructed from durable cast aluminum with a natural silver finish
• Inlet diameter of 88.0 mm with flanged inlet type for secure connection
• Single outlet with 81.0 mm diameter, non-flanged
• Airflow rate rated at 130 CFM for efficient air delivery
• Includes a 6-terminal male blade electrical connector
• Compatible with gas fuel injection systems
• Does not include mounting hardware, gasket, or fuel injectors

Detailed Product Description

The Dorman 977-782 throttle body is engineered to meet the specifications required by various Chrysler, Dodge, and Ram gas-powered vehicles. Featuring a cast aluminum housing and a natural silver finish, this throttle body offers durability and corrosion resistance. The electronic throttle body type includes a built-in throttle position sensor, which provides accurate feedback to the engine control unit for optimal throttle response. With an 80 mm bore diameter and a 130 CFM airflow rate, it supports efficient air and fuel delivery for improved engine performance.

This throttle body has a flanged inlet and a non-flanged outlet, designed for a single inlet and outlet configuration. The electrical connection uses a 6-terminal male blade connector, ensuring compatibility with the vehicle’s wiring harness. Note that this unit does not come with mounting hardware, gaskets, or idle air control motor, so these components must be sourced separately if needed.

Common Applications and Problem Resolution

• Restores proper throttle response and engine idle control
• Resolves issues related to throttle position sensor failure
• Addresses rough idling or stalling caused by faulty throttle body
• Improves fuel injection system performance in compatible Ram 1500, 2500, 3500, Aspen, and Durango models
• Eliminates hesitation or poor acceleration linked to throttle body malfunction

Installation Notes and Tips

• Ensure the vehicle is compatible with the Dorman 977-782 throttle body before installation
• Verify that all related components such as gaskets and mounting hardware are available, as they are not included
• Handle the throttle position sensor connector carefully to avoid damage to terminals
• Follow manufacturer torque specifications when securing the throttle body to prevent leaks or misalignment
• After installation, perform a throttle body relearn procedure if required by the vehicle’s ECU

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The 977-782 throttle body undergoes rigorous quality control testing to maintain performance consistency. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.