Dorman 977-827 Fuel Injection Throttle Body

Overview of Dorman Fuel Injection Throttle Body 977-827

The Dorman 977-827 Fuel Injection Throttle Body is designed for reliable performance in Ford trucks, including the F-150, F-250 Super Duty, and F-350 Super Duty models. This electronic throttle body features a durable aluminum construction with a silver finish, engineered to meet the demands of gas fuel systems.

• Compatible with Ford F-150, F-250 Super Duty, and F-350 Super Duty
• Electronic throttle body type for precise airflow control
• Constructed from aluminum with a silver finish for durability
• Inlet diameter of 3.45 inches and outlet diameter of 3.15 inches
• Non-flanged inlet and outlet types for direct hose assembly
• Designed for gas fuel injection systems with an airflow rate of 98
• Does not include mounting hardware, gaskets, fuel injectors, or idle air control motor

Detailed Product Description

The Dorman 977-827 throttle body is engineered specifically for gas fuel injection systems in select Ford trucks. Its aluminum body provides strength and heat resistance, while the silver finish helps protect against corrosion. The throttle body features a 3.45-inch inlet diameter and a 3.15-inch outlet diameter, both with non-flanged connections, allowing for a secure hose assembly without additional flange fittings. With an airflow rate of 98, this component ensures efficient air delivery to the engine, supporting optimal combustion and performance.

This throttle body is electronic, enabling precise control of the throttle plate position for improved engine response and fuel efficiency. It is designed to replace the original equipment part directly, maintaining factory specifications without the need for adjustments or additional components such as spacers or idle air control motors.

Common Applications and Problem Resolution

• Restores proper throttle response and engine acceleration in Ford F-150, F-250 Super Duty, and F-350 Super Duty trucks
• Resolves issues related to rough idling or stalling caused by faulty throttle bodies
• Eliminates hesitation or poor fuel economy linked to malfunctioning throttle components
• Addresses check engine light codes related to throttle position sensor or airflow irregularities
• Replaces worn or damaged throttle bodies to maintain engine performance and emissions compliance

Installation Notes and Tips

Installation of the Dorman 977-827 throttle body requires removal of the existing throttle body from the intake manifold. Since mounting hardware and gaskets are not included, ensure you have the necessary parts on hand before beginning installation. Proper torque specifications should be followed to avoid air leaks. It is recommended to inspect and clean the throttle body mounting surface and surrounding components during installation. Calibration or relearning procedures may be necessary depending on the vehicle’s engine control system.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 977-827 throttle body undergoes rigorous quality control to ensure durability and reliable operation in demanding conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the manufacturer for exact warranty terms.