Accessory Drive Belt System Components for 2025 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
1
Serpentine Belt 
GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Dual alternator. Silverado, Sierra 3500 HD.
MSRP $88.43
$40.56
MSRP $88.43
$40.56
1
Accessory Drive Primary Belt 
ACDelco
ACDelco Description: ACDelco GM Original Equipment Serpentine Belts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These serpentine belts allows for the operation of various pulleys and drive belt accessories with the use of a sin ...
Not For Sale
Not For Sale
1
Acdelcoâ„¢ Serpentine Belt GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Single alternator. Silverado, Sierra 3500 HD.
4
Belt Idler Primary Pulley GM
GM Positions: Right
Description: Silverado, Sierra 2500 HD. Single alternator. Diesel. Center. Silverado, Sierra 3500 HD. Dual alternator. Lower. Repair noisy idler pulley bearing
MSRP $187.19
$98.26
MSRP $187.19
$98.26
4
Belt Idler Primary Pulley ACDelco
ACDelco Positions: Right
Description: GM Genuine Parts Accessory Drive Belt Idler Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These accessory drive belt idler pulleys are part of the accessory drive belt system on the front of your engi ...
Not For Sale
Not For Sale
4
Idler Pulley GM
GM Positions: Left
Description: Silverado, Sierra 2500 HD. Lower. Left. Silverado, Sierra 3500 HD. 6.6L diesel, with dual alternator. Silverado, sierra. 6.6l. Upper. 4.3L, smooth. Sierra, silverado. 4.3l. Code aaaf.
MSRP $91.56
$48.06
MSRP $91.56
$48.06
4
Belt Idler Pulley ACDelco
ACDelco Positions: Left
Description: GM Genuine Parts Accessory Drive Belt Idler Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These accessory drive belt idler pulleys are part of the accessory drive belt system on the front of your engi ...
$39.48
$39.48
5
Drive Belt Tensioner GM
GM Description: Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Main. Silverado, Sierra 3500 HD. 6.6L diesel, with dual generators, serpentine belt. 6.6L diesel, without dual alternators, serpentine belt. Helps keep drive belt at correct tension to help maintain proper function
MSRP $108.93
$65.19
MSRP $108.93
$65.19
5
Drive Belt Tensioner ACDelco
ACDelco Description: GM Genuine Parts Drive Belt Tensioner Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These assemblies are spring-loaded pulleys designed to draw tension on your vehicle's serpentine belt. GM Genuine ...
$63.97
$63.97
No.
Part # / Description / Price
Price
1
Acdelcoâ„¢ Serpentine Belt GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Single alternator. Silverado, Sierra 3500 HD.
1
Serpentine Belt GM
GM Description: Silverado, Sierra 2500 HD. Single alternator. Silverado, Sierra 3500 HD. 6.6L diesel, without dual generators. Allows for the operation of various pulleys, and drive belt accessories, with the use of a single belt
Creates a secure point of contact with the pulley, which allows for traction
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $47.99
$25.19
MSRP $47.99
$25.19
1
Serpentine Belt ACDelco
ACDelco Description: ACDelco GM Original Equipment Serpentine Belts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These serpentine belts allows for the operation of various pulleys and drive belt accessories with the use of a sin ...
$27.58
$27.58
2
Belt GM
GM Description: Silverado, Sierra 2500 HD. 6.6L diesel, with dual alternators. Silverado, Sierra 3500 HD.
MSRP $52.81
$25.04
MSRP $52.81
$25.04
3
MSRP $101.69
$53.39
3
Drive Belt Idler Pulley ACDelco
ACDelco Description: GM Genuine Parts Accessory Drive Belt Idler Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These accessory drive belt idler pulleys are part of the accessory drive belt system on the front of your engi ...
$43.84
$43.84
4
Belt Idler Primary Pulley GM
GM Description: Silverado, Sierra 2500 HD. Single alternator. Diesel. Center. Silverado, Sierra 3500 HD. Dual alternator. Lower. Repair noisy idler pulley bearing
MSRP $187.19
$98.26
MSRP $187.19
$98.26
4
Belt Idler Primary Pulley ACDelco
ACDelco Description: GM Genuine Parts Accessory Drive Belt Idler Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These accessory drive belt idler pulleys are part of the accessory drive belt system on the front of your engi ...
Not For Sale
Not For Sale
6
Serpentine Tensioner GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Accessory. Silverado, Sierra 3500 HD.
MSRP $72.08
$43.14
MSRP $72.08
$43.14
6
Accessory Drive Belt Tensioner Assembly ACDelco
ACDelco Description: GM Genuine Parts Drive Belt Tensioner Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These assemblies are spring-loaded pulleys designed to draw tension on your vehicle's serpentine belt. GM Genuine ...
$42.31
$42.31
7
M10x1.5x85 Multi-Purpose Bolt GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $94.80
$56.80
MSRP $94.80
$56.80
8
Multi-Purpose Bolt ACDelco
ACDelco Description: GM Genuine Parts Bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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 - www.P65Warnings.ca.gov
bolt
bolt
Not For Sale
Not For Sale