Dorman 977-313 fuel injection throttle body for the 2007-2013 Chevrolet Silverado 1500 V6 4.3L and other vehicles regulates the air the engine takes in. This Dorman fuel injection throttle body, from the OE FIX line, replaces original units that often fail from moisture and oil intrusion and wear on internal electronics.
- Non-contact Hall effect sensor and shaft seal to prevent future failures
- New throttle position sensor included in each unit
- 100% new aluminum housing
- Endurance proven in cycle testing of more than one million cycles
- Enhanced internal components in a plug-and-play design
Quick facts
- Part: Dorman 977-313 fuel injection throttle body
- Fits: 2007-2013 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 point to a worn throttle body. A dirty sensor, a vacuum leak or a wiring fault can show the same signs, so find the cause before buying.
Fits
It is listed for a wide range of Chevrolet, GMC, Pontiac and Saturn models, including the 2007-2013 GMC Sierra 1500 V6 4.3L and the 2008-2012 Chevrolet Malibu V6 3.6L. If your car is not named here, look up your year, model and engine in the "Vehicles it fits" section. The 2007-2013 Chevrolet Silverado 1500 V6 4.3L takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bore diameter: 78 mm
- Inlet diameter: 73.5 mm
- Outlet diameter: 71.5 mm
- Inlet and outlet type: flanged
- Terminals: 6, pin type
Build and materials
- Type: electronic
- Housing material: aluminum
- Fuel system: gas
- Throttle position sensor: included
- Idle air control motor: included
- Condition: new
- Country of origin: China
In the box
One electronic throttle body with a new throttle position sensor and an idle air control motor. A gasket or seal and installation hardware are not included, so plan on new fasteners, since the old ones may not be reusable.
Interchange: 67-3021
APTHB038 · 2173150 · RTB1020 · NTB1020 · 12595829 · 12615503 · 12618735 · ETB0017 · SKTB1021 · TB1021 · S20050
This part cross-references / interchanges with the following part numbers:
APTHB038, 2173150, RTB1020, NTB1020, 673021, 67-3021, 12595829, 12615503, 12618735, ETB0017, SKTB1021, TB1021, S20050
Frequently Asked Questions
Does the Dorman 977-313 fit the 2007-2013 GMC Sierra 1500 V6 4.3L?
Yes. The Dorman 977-313 is listed for the 2007-2013 GMC Sierra 1500 V6 4.3L, and that truck takes one throttle body.
Does this Dorman throttle body come with a throttle position sensor?
Yes. The Dorman 977-313 includes a new throttle position sensor and an idle air control motor. A gasket or seal and installation hardware are not included.
What are the bore and port sizes of this electronic throttle body?
The bore is 78 mm, the inlet is 73.5 mm and the outlet is 71.5 mm. Both the inlet and the outlet are flanged.
How does this throttle body deal with moisture and oil problems?
A non-contact Hall effect sensor and a shaft seal are meant to prevent the moisture and oil intrusion that affect original units. It is endurance proven with over 1 million cycle tests.
Is 12595829 an interchange number for this throttle body?
Yes. The Dorman 977-313 is listed as a replacement for 12595829, along with 12615503 and 12618735.
