Dorman Throttle Body (MPN: 977-375)

Advanced design with sensor shield technology for enhanced reliability.

The Dorman Throttle Body is engineered to replace original equipment throttle bodies that often fail due to moisture and oil intrusion affecting internal electronics. This product features Dorman Sensor Shield technology, which includes a proprietary butterfly shaft seal designed to prevent future failures caused by contamination. Constructed from 100 percent new aluminum, this throttle body ensures reliability without the inconvenience of a core charge.

This throttle body has undergone rigorous testing to comply with Federal Motor Vehicle Safety Standards, demonstrating its durability through over 1 million cycle tests. The design includes a throttle position sensor, ensuring accurate performance and responsiveness. Vehicle try-on testing further validates its compatibility and quality, backed by Dorman's extensive automotive experience spanning over a century.

With a 3.54 inch inlet diameter and a 3.14 inch outlet diameter, this throttle body is designed for optimal airflow and performance. The natural finish and aluminum construction provide both aesthetic appeal and functional durability, making it a reliable choice for vehicle maintenance and repair.

Features

• New Construction: 100Percent New Case Aluminum, Not Remanufactured, For Reliability And The Convenience Of No Core Charge
• Upgraded Design: This Dorman OE FIX Throttle Body Features A Proprietary Sensor Shield Butterfly Shaft Seal To Prevent Future Failures
• Rigorously Tested: Complies With Federal Motor Vehicle Safety Standards 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

Specifications

• Manufacturer: Dorman
• Manufacturer Part Number: 977-375
• Type: Electronic
• Venturi Diameter (MM): No Venturi
• Venturi Quantity: 0
• Mount Flange: OEM
• Finish: Natural
• Color: Black/ Silver
• Material: Aluminum
• Includes Gaskets: Yes
• Includes IAC Motor: No
• Includes Injectors: No
• Includes TPS Sensor: Yes
• Includes Hardware: No

Compatibility / Fit

• 2014-2018 Chevrolet Silverado 1500
• 2020-2021 Chevrolet Silverado 1500
• 2023-2025 Chevrolet Silverado 1500
• 2019-2019 Chevrolet Silverado 1500 LD- Old Model
• 2022-2022 Chevrolet Silverado 1500 LTD- Old Model
• 2019-2019 Chevrolet Silverado 1500- New Model
• 2022-2022 Chevrolet Silverado 1500- New Model
• 2015-2024 Chevrolet Suburban
• 2015-2024 Chevrolet Tahoe
• 2014-2018 GMC Sierra 1500
• 2020-2021 GMC Sierra 1500
• 2023-2026 GMC Sierra 1500
• 2019-2019 GMC Sierra 1500 Limited- Old Model
• 2022-2022 GMC Sierra 1500 Limited- Old Model
• 2019-2019 GMC Sierra 1500- New Model
• 2022-2022 GMC Sierra 1500- New Model
• 2015-2024 GMC Yukon
• 2015-2024 GMC Yukon XL

Technical Documents

• electronic-throttle-body_sell-sheet.pdf

Product Videos