Dorman 977-378 Electronic Throttle Body Compatible with Select Chevrolet/GMC Models (OE FIX)

Original equipment throttle bodies often fail from moisture and oil intrusion and failed internal electronics. This Dorman OE FIX throttle body features a non-contact Hall effect sensor and proprietary Sensor Shield butterfly shaft seal to prevent future failures. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Corvette: 2019] - [Chevrolet Silverado 2500 HD: 2017, 2018, 2019] - [Chevrolet Silverado 3500 HD: 2017, 2018, 2019] - [GMC Sierra 2500 HD: 2017, 2018, 2019] - [GMC Sierra 3500 HD: 2017, 2018, 2019]

• Upgraded design - this plug-and-play replacement throttle body features a contactless Hall effect sensor and proprietary Sensor Shield butterfly shaft seal to prevent future failures
• New construction - 100% new aluminum for reliability
• Rigorously tested - complies with Federal Motor Vehicle Safety Standards (FMVSS) and endurance-proven with over 1 million cycle tests
• Trustworthy quality - vehicle try-on tested, and backed by a team of product experts in the United States and more than a century of automotive experience
• Ensure fit - Input your vehicle into the garage tool and check Confirmed Fit bar at the top of the page. If there is an “i” in a blue circle, additional verification is needed. Please hover over the "i" to verify fitment notes match your vehicle.