Alternator for 2025 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
2
1999-2024 GM - M10x1.5x95.75 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 $9.65
$7.04
MSRP $9.65
$7.04
4
Alternator and Power Steering Pump Bracket GM
GM Description: Auxiliary, 6.6L gas. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $99.34
$62.85
MSRP $99.34
$62.85
5
2013-2024 GM - Air Conditioning Compressor Bolt GM
GM Description: Auxiliary, 6.6L gas, #1. 6.6L gas, long. Without eassist with r-134a. #2. 5.3L, without eassist 6.2L. M10x125. Without eassist with r-1234yf. #2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.22
$5.34
MSRP $7.22
$5.34
6
1998-2024 GM - M8x1.25x75 mm Bolt GM
GM Description: 3.6L. Auxiliary, 6.6L gas, #2. 3.8L. 2.0L turbo, with hybrid, short. Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
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 $44.81
$29.37
MSRP $44.81
$29.37
7
2004-2025 GM - M8x1.25x126.8 Multi-Purpose Bolt GM
GM Description: Auxiliary, 6.6L gas, #3. 3.0L. 2.0L. 2017-21 3.6L. #4. #1 2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
1
Alternator GM
GM Description: Silverado, Sierra 2500 HD. Gas. Diesel. Main. Silverado, Sierra 3500 HD. 220 Amp.
MSRP $453.08
$246.70
MSRP $453.08
$246.70
2
2014-2024 GM - Alternator Bolt GM
GM Description: 4.3, 5.3, 6.2L, long. Primary, 6.6L gas, 10x162mm. Without eassist with r-134a. #3. 5.3L, without eassist 6.2L. M10x192. Without eassist with r-1234yf. #3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.59
$7.71
MSRP $10.59
$7.71
3
2018-2025 GM - Generator Brace Sleeve GM
GM Description: 2018-20. 5.3, 6.2L. Primary, 6.6L gas. Auxiliary, 6.6L gas. 4.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $14.46
$9.25
MSRP $14.46
$9.25
No.
Part # / Description / Price
Price
1
2024 GM - Alternator GM
GM Notes: Alternators Are Sold As An Assembly Only.
Description: Silverado, Sierra 2500 HD. Gas. Single generator. 170 amp. Silverado, Sierra 3500 HD.
MSRP $342.16
$186.31
MSRP $342.16
$186.31
1
Alternator GM
GM Notes: Alternators Are Sold As An Assembly Only.
Description: Silverado, Sierra 2500 HD. Gas. Diesel. Main. Silverado, Sierra 3500 HD. 220 Amp.
MSRP $453.08
$246.70
MSRP $453.08
$246.70
1
2024-2025 GM - Alternator GM
GM Notes: Alternators Are Sold As An Assembly Only.
Description: Silverado, Sierra 2500 HD. Gas. Dual generators. Diesel. Auxiliary. Silverado, Sierra 3500 HD. 170 Amp.
MSRP $380.16
$207.00
MSRP $380.16
$207.00
No.
Part # / Description / Price
Price
1
Alternator GM
GM Description: Silverado, Sierra 2500 HD. Gas. Diesel. Main. Silverado, Sierra 3500 HD. 220 Amp.
MSRP $453.08
$246.70
MSRP $453.08
$246.70
No.
Part # / Description / Price
Price
1
Alternator GM
GM Description: Silverado, Sierra 2500 HD. Gas. Diesel. Main. Silverado, Sierra 3500 HD. 220 Amp.
MSRP $453.08
$246.70
MSRP $453.08
$246.70
No.
Part # / Description / Price
Price
1
Alternator GM
GM Description: Silverado, Sierra 2500 HD. Gas. Diesel. Main. Silverado, Sierra 3500 HD. 220 Amp.
MSRP $453.08
$246.70
MSRP $453.08
$246.70
No.
Part # / Description / Price
Price
1
Alternator GM
GM Description: Silverado, Sierra 2500 HD. Gas. Diesel. Main. Silverado, Sierra 3500 HD. 220 Amp.
MSRP $453.08
$246.70
MSRP $453.08
$246.70
No.
Part # / Description / Price
Price
1
Alternator GM
GM Description: Silverado, Sierra 2500 HD. Gas. Diesel. Main. Silverado, Sierra 3500 HD. 220 Amp.
MSRP $453.08
$246.70
MSRP $453.08
$246.70