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2021 GMC Sierra 2500 HD

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ACDelco 12678312 Fuel Injection Throttle Body
for 2021 GMC Sierra 2500 HD

ACDelco 12678312 Fuel Injection Throttle Body - 2021 GMC Sierra 2500 HD Image 1
ACDelco 12678312 Fuel Injection Throttle Body - 2021 GMC Sierra 2500 HD Image 2
ACDelco 12678312 Fuel Injection Throttle Body - 2021 GMC Sierra 2500 HD Image 3
ACDelco 12678312 Fuel Injection Throttle Body - 2021 GMC Sierra 2500 HD

ACDelco
Brand:ACDelco
Part Number: 12678312
UPC: 808709882817
Weight: 2.6 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12678312 Fuel Injection Throttle Body for your 2021 GMC Sierra 2500 HD. Buy now and secure your purchase online!

GM Genuine Parts Fuel Injection Throttle Bodies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These throttle bodies are located on the intake manifold, and contain the throttle plate(s) that control the air entering the engine. The throttle body also houses the fuel injector(s) on Throttle Body Injection (TBI) or Central Fuel Injection (CFI) systems. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Allows for a quick throttle response
  • Assists in cold engine starts
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Helps provide air flow for proper fuel/air mixture
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Adjustable:
No
Bore Diameter:
3.43 in.
Bore Diameter:
87.02 mm
Fuel Injectors Included:
No
Fuel System Injection Type:
Gas
Fuel System Type:
Gas
Gasket Or Seal Included:
No
Height (in):
5.25 in
Idle Air Control Motor Included:
No
Inlet Diameter:
3.82 in.
Inlet Diameter:
97 mm
Inlet Type:
Straight
Length (in):
10.5 in
Mounting Hardware Included:
No
Outlet Diameter:
112.6 mm
Outlet Diameter:
4.43 in.
Outlet Quantity:
1
Outlet Type:
Flanged
Throttle Body Material:
Aluminum
Throttle Body Spacer Included:
No
Throttle Body Type:
Electronic
Throttle Position Sensor Included:
Yes
Venturi Quantity:
0
Weight (lb):
2.06 lb
Width (in):
6.5 in
Country of Origin:
JP

ACDelco 12678312 Fuel Injection Throttle Body compatibility with your 2021 GMC Sierra 2500 HD...

Last Updated: 05/01/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2021

 

2021

 
GMC Sierra 2500 HD

6.6L V8 Flex OHV
1
 
Eng: L8T
8th VIN Digit: 7
 

GMC Sierra 2500 HD



6.6L V8 Flex OHV Eng: L8T
8th VIN Digit: 7

1 Per Vehicle

2021

 

2020

 

2021

 

2020

 
GMC Sierra 2500 HD

6.6L V8 Gas OHV
1
 
Eng: L8T
8th VIN Digit: 7
 

GMC Sierra 2500 HD



6.6L V8 Gas OHV Eng: L8T
8th VIN Digit: 7

1 Per Vehicle

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