Dorman 977-374 fuel injection throttle body for the 2014-2021 Chevrolet Silverado 1500 V6 4.3L and other vehicles controls the air flowing into the engine. Original throttle bodies often fail when moisture and oil intrusion foul the internal electronics, which is the problem this Dorman OE FIX design targets.
- Sensor Shield technology: a proprietary butterfly shaft seal to prevent future failures from moisture and oil contamination
- New aluminum case with an electronic throttle body design
- Throttle position sensor included
- Endurance-proven with over 1 million cycle tests
- Complies with Federal Motor Vehicle Safety Standards (FMVSS) and is vehicle try-on tested
Quick facts
- Part: Dorman 977-374 fuel injection throttle body
- Fits: the 2014-2021 Chevrolet Silverado 1500 V6 4.3L and other vehicles
- Material: Aluminum
- Condition: New
A rough idle, hesitation when you press the pedal or a throttle warning light can mean the throttle body is failing. A vacuum leak, a faulty accelerator pedal sensor or damaged wiring can show up the same way, so track down the cause before you buy a replacement.
Fits
This throttle body also fits the 2014-2021 GMC Sierra 1500 V6 4.3L, which takes one, and the 2019-2021 GMC Acadia V6 3.6L. Driving something else? Look up your year, model and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Inlet diameter: 72 mm
- Outlet diameter: 72 mm
- Bore diameter: 72 mm
- Inlet type: flanged
- Outlet type: non-flanged
- Electrical connection: male pin connector, 6 terminals
- Quantity per vehicle: 1
Build and materials
- Type: electronic throttle body, gas fuel system
- Material: Aluminum
- Finish: Natural
- Throttle position sensor: included
- Condition: New
- Country of origin: China
In the box
One throttle body with its throttle position sensor and one rubber gasket. Mounting hardware, fuel injectors and a throttle body spacer are not included, so plan on new fasteners rather than reusing the old ones.
Interchange: 6E-3037 · 67-3045
APTHB142 · RTB1097 · NTB1097 · 12676296 · 12632171 · 12648414 · 12669536 · 12671014 · 1814268 · TB1232 · S20222 · 1G50565
This part cross-references / interchanges with the following part numbers:
APTHB142, RTB1097, NTB1097, 6E-3037, 67-3045, 12676296, 12632171, 12648414, 12669536, 12671014, 1814268, TB1232, S20222, 1G50565
Frequently Asked Questions
Does the Dorman 977-374 throttle body fit the 2019-2021 GMC Acadia V6 3.6L?
Yes. Dorman 977-374 is listed for the 2019-2021 GMC Acadia V6 3.6L, and it takes one. For another vehicle, look up your year, model and engine in the "Vehicles it fits" section.
Does this Dorman throttle body come with the throttle position sensor and a gasket?
Yes. The box holds the throttle body with its throttle position sensor and one rubber gasket. Mounting hardware is not included, so plan on new fasteners.
What size is the bore on the Dorman 977-374 throttle body?
The bore, inlet and outlet are each 72 mm on Dorman 977-374. It is an electronic throttle body with a male pin connector and 6 terminals.
What are signs of a failing electronic throttle body?
A rough idle, hesitation when you press the pedal or a throttle warning light can be signs of a failing throttle body, though other faults produce them too. A shop can scan and test the electronics.
What does the Sensor Shield do on this OE FIX throttle body?
Sensor Shield is a proprietary butterfly shaft seal. It is built to prevent later failures caused by moisture and oil getting into the internal electronics.
