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2021 GMC Sierra 3500 HD

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ACDelco 19420317 Fuel Injector Kit
for 2021 GMC Sierra 3500 HD

ACDelco 19420317 Fuel Injector Kit - 2021 GMC Sierra 3500 HD Image 1
ACDelco 19420317 Fuel Injector Kit - 2021 GMC Sierra 3500 HD Image 2
ACDelco 19420317 Fuel Injector Kit - 2021 GMC Sierra 3500 HD Image 3
ACDelco 19420317 Fuel Injector Kit - 2021 GMC Sierra 3500 HD

ACDelco
Brand:ACDelco
Part Number: 19420317
UPC: 00193468589719
Weight: 1.26 lbs
Condition:New



On Sale:

$70.86

Availability:
10 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the ACDelco 19420317 Fuel Injector Kit for your 2021 GMC Sierra 3500 HD. Buy now and secure your purchase online!

ACDelco GM Original Equipment Fuel Injectors are electro-magnetic valves that meter fuel into the engine's intake manifold or cylinders for combustion, and are GM-recommended replacements for your vehicle's original components. The engine control module (ECM) operates the injector by applying an electric current to the injector solenoid winding, causing the needle valve to open, and allowing pressurized fuel to be atomized into the intake airstream. These original equipment fuel injectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Allows for a quick throttle response
  • Assists in cold engine starts
  • Atomizes fuel into the engine's intake manifold or cylinders, as part of the fuel and engine management system
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Manufactured to GM OE specification for fit, form, and function
  • Offering the quality, reliability, and durability of GM OE

Specifications:

Height (in):
2.85 in
Length (in):
19.95 in
Weight (lb):
1.26 lb
Width (in):
8.6 in
Country of Origin:
US

ACDelco 19420317 Fuel Injector Kit compatibility with your 2021 GMC Sierra 3500 HD...

Last Updated: 05/07/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2023

 

2022

 

2021

 

2023

 

2022

 

2021

 
GMC Sierra 3500 HD

6.6L V8 Flex OHV
8
 
GM Original Equipment
LOW FLOW
INJECTORS MARKED 12668395,12644386,12656010,12679777,12687711,12709471
Eng: L8T
8th VIN Digit: 7
Mfr Code: 6L90
 

GMC Sierra 3500 HD



6.6L V8 Flex OHV GM Original Equipment
LOW FLOW
INJECTORS MARKED 12668395,12644386,12656010,12679777,12687711,12709471
Eng: L8T
8th VIN Digit: 7
Mfr Code: 6L90

8 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
GMC Sierra 3500 HD

6.6L V8 Gas OHV
8
 
GM Original Equipment
LOW FLOW
INJECTORS MARKED 12668395,12644386,12656010,12679777,12687711,12709471
Eng: L8T
8th VIN Digit: 7
Mfr Code: 6L90
 

GMC Sierra 3500 HD



6.6L V8 Gas OHV GM Original Equipment
LOW FLOW
INJECTORS MARKED 12668395,12644386,12656010,12679777,12687711,12709471
Eng: L8T
8th VIN Digit: 7
Mfr Code: 6L90

8 Per Vehicle

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