THIS FITS YOUR 2021 Chevrolet Silverado 2500 HD WT Crew Cab Pickup

Reset Vehicle

Engine Wiring Harness

Part Number: 84742303
Supersession(s): 84652918
View 84742303 Engine Wiring Harness Full-Sized Product Image
View Engine Wiring Harness Full-Sized Product Image 1 of 4 View Engine Wiring Harness Full-Sized Product Image 2 of 4 View Engine Wiring Harness Full-Sized Product Image 3 of 4 View Engine Wiring Harness Full-Sized Product Image 4 of 4

Harness Assembly - Engine Wiring.
Wiring Harness used for the Engine.

Engine Wiring Harness

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL, w/o dual alternators, 2WD. 6.6 LITER DIESEL, w/o dual alternators, RWD.

Wiring harness.
Full Diagram
Diagram Wiring harness. for your 2021 Chevrolet Silverado 2500 HD WT Crew Cab Pickup
#1
2WD. 4WD. 6. 6 liter diesel. Injector. W/DUAL alternators. W/O dual alternators.
2WD. 6.6 LITER DIESEL. w/o dual alternators.

Your Price

$ 622.47

Fulfillment Options

GM Parts Outlet

21800 GRATIOT AVE, EASTPOINTE, MI, 48021

Add to Cart
Select product options
Dealer Rating: 4.8/5
320 Reviews
See Reviews
Your Price $ 622.47
Add to Cart
Select product options

People Also Bought

GM Parts Outlet

21800 GRATIOT AVE, EASTPOINTE, MI, 48021

Policies & Information

Accepted Payments
Visa MasterCard Discover American Express