Dorman 977-794 Fuel Injection Throttle Body

Dorman 977-794 Electronic Throttle Body

Dorman 977-794 is an OE FIX electronic fuel injection throttle body for gas applications on a wide range of Chrysler, Dodge, Jeep, and Ram vehicles. It uses a non-contact Hall effect sensor and a proprietary Sensor Shield butterfly shaft seal to address common throttle body failures tied to moisture, oil intrusion, and internal electronics wear.

Key Features

• Electronic throttle body with integrated throttle position sensor
• Non-contact Hall effect sensor design for reduced internal wear
• Sensor Shield butterfly shaft seal helps block moisture and oil intrusion
• Aluminum housing with natural finish
• Non-flanged inlet and outlet design
• Gasket included for installation
• 6-terminal male electrical connection with pin-style connector
• 2.97 in. bore diameter and 2.97 in. inlet diameter

Detailed Description

This Dorman throttle body is built as a direct replacement for electronic throttle systems used on vehicles such as the Chrysler 300, Dodge Charger, Jeep Grand Cherokee, and Ram ProMaster. Part number 977-794 is engineered to replace the original throttle body assembly while addressing known failure points in the sensor and shaft sealing area. The aluminum housing, integrated throttle position sensor, and electronic throttle body design support precise airflow control for gas engines across the listed applications. This part cross-references Standard Ignition S20203 for the same application.

What It Helps Solve

• Throttle response issues caused by worn internal electronics
• Driveability problems related to moisture intrusion
• Oil contamination at the throttle shaft area
• Idle and acceleration concerns tied to throttle body sensor failure
• Replacement needs for damaged or malfunctioning OE throttle bodies

Installation Notes and Tips

Verify connector style, bore size, and vehicle application before installation. This throttle body uses a male electrical connection with a 6-terminal pin connector and includes a gasket. Installation hardware is not included. After installation, follow the vehicle manufacturer’s relearn or calibration procedure if required for the throttle system. Fits 2011-2023 Chrysler 300, N/A; Fits 2017-2023 Chrysler Pacifica, N/A; Fits 2020-2023 Chrysler Voyager, N/A; Fits 2011-2023 Dodge Challenger, N/A; Fits 2011-2023 Dodge Charger, N/A; Fits 2011-2023 Dodge Durango, N/A; Fits 2011-2023 Jeep Grand Cherokee, N/A; Fits 2021-2023 Jeep Grand Cherokee L, N/A; Fits 2019-2023 Ram 1500 Classic, N/A; Fits 2019-2023 Ram ProMaster 1500, N/A; Fits 2014-2017 Ram ProMaster 1500, N/A; Fits 2019-2023 Ram ProMaster 2500, N/A; Fits 2014-2017 Ram ProMaster 2500, N/A; Fits 2019-2023 Ram ProMaster 3500, N/A; Fits 2014-2017 Ram ProMaster 3500, N/A; Fits 2021-2022 Jeep Cherokee, N/A; Fits 2014-2019 Jeep Cherokee, N/A; Fits 2022 Jeep Grand Cherokee WK, N/A; Fits 2021 Chrysler Grand Caravan, N/A; Fits 2011-2020 Dodge Grand Caravan, N/A; Fits 2011-2018 Dodge Journey, N/A; Fits 2018 Jeep Wrangler JK, N/A; Fits 2011-2017 Chrysler 200, N/A; Fits 2015-2017 Dodge Viper, N/A; Fits 2012-2017 Jeep Wrangler, N/A; Fits 2013-2017 Ram 1500, N/A; Fits 2011-2016 Chrysler Town & Country, N/A; Fits 2012-2015 Ram C/V, N/A; Fits 2011-2014 Dodge Avenger, N/A.

Quality Assurance

Dorman OE FIX parts are developed to address common failure points found in original equipment designs. Part number 977-794 follows that approach with a Hall effect sensor and improved shaft sealing for long-term service in the listed Chrysler, Dodge, Jeep, and Ram applications.