Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
Shopping for

2021 GMC Sierra 3500 HD

X

ACDelco 15-40604 Drive Belt Idler Pulley
for 2021 GMC Sierra 3500 HD

ACDelco 15-40604 Drive Belt Idler Pulley - 2021 GMC Sierra 3500 HD Image 1
ACDelco 15-40604 Drive Belt Idler Pulley - 2021 GMC Sierra 3500 HD Image 2
ACDelco 15-40604 Drive Belt Idler Pulley - 2021 GMC Sierra 3500 HD

ACDelco
Brand:ACDelco
Part Number: 15-40604
UPC: 00193468078435
Weight: 1.27 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 15-40604 Drive Belt Idler Pulley for your 2021 GMC Sierra 3500 HD. Buy now and secure your purchase online!

ACDelco GM Original Equipment Drive Belt Idler Pulleys are part of the accessory drive belt system on the front of your engine and are GM-recommended replacements for your vehicle's original components. A pulley can be ribbed or smooth and contains a sealed ball-bearing. The idler pulley is used to divert the drive belt to components such as the alternator, water pump or power steering pump. This original equipment drive belt idler pulley has 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:

  • 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
  • Repair noisy idler pulley bearing

Specifications:

Belt Type:
Serpentine
Height (in):
3.06 in
Inside Diameter:
1.38 in.
Inside Diameter:
35 mm
Length (in):
3.09 in
Material:
Steel
Mounting Hole Diameter:
0.4 in.
Mounting Hole Quantity:
1
Outside Diameter:
3 in.
Outside Diameter:
76.2 mm
Programming Required:
No
Weight (lb):
1.27 lb
Width:
1.24 in.
Width:
31.41 mm
Country of Origin:
CA

ACDelco 15-40604 Drive Belt Idler Pulley compatibility with your 2021 GMC Sierra 3500 HD...

Last Updated: 05/04/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2024

 

2023

 

2022

 

2021

 

2024

 

2023

 

2022

 

2021

 
GMC Sierra 3500 HD

6.6L V8 Flex OHV
1
 
Secondary
 
GM Original Equipment
DUAL GEN ONLY
DUAL 170 AMP AND 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
 

GMC Sierra 3500 HD



6.6L V8 Flex OHV

Secondary GM Original Equipment
DUAL GEN ONLY
DUAL 170 AMP AND 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7

1 Per Vehicle

2024

 

2023

 

2022

 

2021

 

2020

 

2024

 

2023

 

2022

 

2021

 

2020

 
GMC Sierra 3500 HD

6.6L V8 Gas OHV
1
 
Secondary
 
GM Original Equipment
DUAL GEN ONLY
DUAL 170 AMP AND 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
 

GMC Sierra 3500 HD



6.6L V8 Gas OHV

Secondary GM Original Equipment
DUAL GEN ONLY
DUAL 170 AMP AND 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7

1 Per Vehicle

Didn't find a match for your vehicle?

  See Other Choices