Radiator & Components for 2025 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
2
Passenger Side Radiator Upper Bracket 
GM
GM Positions: Right
Description: 6.6L gas. 6.6L diesel, engine cooling. Helps align and secure your vehicle's radiator mount
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
Collision parts are designed to help promote proper and safe repair
MSRP $20.09
$15.00
MSRP $20.09
$15.00
2
Driver Side Radiator Upper Bracket GM
GM Positions: Left
Description: 6.6L gas. 6.6L diesel, engine cooling. Helps align and secure your vehicle's radiator mount
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
Collision parts are designed to help promote proper and safe repair
MSRP $20.09
$15.00
MSRP $20.09
$15.00
3
Radiator Upper Insulator GM
GM Positions: Left
Description: 6.6L gas. 6.6L diesel, engine cooling, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.79
$6.76
MSRP $8.79
$6.76
4
Radiator Lower Insulator GM
GM Positions: Right
Notes: PARTS: Part included with radiator.
Description: 6.6L gas. 2.7L turbo. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.43
$6.48
MSRP $8.43
$6.48
5
Radiator Drain Petcock GM
GM Notes: PARTS: Part included with radiator.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $23.88
$17.77
MSRP $23.88
$17.77
7
Multi-Purpose Clamp GM
GM Description: 6.6L gas, front. 3.6L, front. 6.2L, with supercharger, #2. 1.3l turbo, #1. 2.0L, reservoir & hoses, #1. Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.33
$5.68
MSRP $7.33
$5.68
8
Multi-Purpose Clamp GM
GM Description: 2018-20. 6.6L gas, rear. Reservoir & hoses, #2. Main, front. Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $18.69
$13.90
MSRP $18.69
$13.90
12
Radiator Surge Tank GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Helps maintain optimal engine operating temperatures
Designed to contain excess or an expansion of coolant
When needed, helps circulate more coolant into the coolant system
14
Hose GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $64.90
$44.74
MSRP $64.90
$44.74
15
Multi-Purpose Clamp GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $12.22
$7.82
MSRP $12.22
$7.82
No.
Part # / Description / Price
Price
N/A
Radiator Drain Petcock GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $23.88
$17.77
MSRP $23.88
$17.77
N/A
Hose GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $64.90
$44.74
MSRP $64.90
$44.74
N/A
Engine Block Heater GM
GM Description: Express, savana. 5.3, 6.2L, engine block. Silverado, sierra. CTS. Malibu. 2.7L turbo, engine block. 4.3L, engine block. 3.0L diesel, engine block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $91.27
$58.79
MSRP $91.27
$58.79
N/A
Radiator Shutter Assembly GM
GM Description: With active shutter. Sierra 2500 HD. Upper. Sierra 3500 HD.
$196.44
$196.44
2
MSRP $93.01
$63.05
3
MSRP $37.18
$25.63
5
Radiator Surge Tank GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Helps maintain optimal engine operating temperatures
Designed to contain excess or an expansion of coolant
When needed, helps circulate more coolant into the coolant system
6
187 Degrees Engine Coolant Thermostat with Seal GM
GM Description: Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
MSRP $72.25
$41.52
MSRP $72.25
$41.52
7
Water Inlet Seal GM
GM Description: Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.84
$6.94
MSRP $10.84
$6.94
8
Engine Water Pump Inlet Tube GM
GM Description: 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 $17.94
$11.48
MSRP $17.94
$11.48
9
Water Pump GM
GM Notes: Includes Thermostat Housing.
Description: 6.6L gas. Savana 2500. Express 2500. Incl.Gaskets,Housing,Pulley,Thermostat,Thermostat Gasket and Thermostat Housing. Express 3500. Savana 3500.
MSRP $553.28
$312.60
MSRP $553.28
$312.60
10
Water Pump Gasket GM
GM Description: 2018-20. 5.3, 6.2L. 6.6L gas. Express, savana. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 4.3L. May be made from fiber or a rubberized composite material
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $0.88
$0.57
MSRP $0.88
$0.57
11
Engine Cooling Fan Blade GM
GM Description: Silverado, sierra. 6.0l. With electric cooling. 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $194.37
$109.81
MSRP $194.37
$109.81
12
Fan Blade Clutch GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Quiets noisy cooling fans with stuck fan clutches, restores fuel economy
MSRP $341.24
$192.80
MSRP $341.24
$192.80
13
Fan Shroud GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD.
MSRP $194.08
$131.59
MSRP $194.08
$131.59
13
Shroud GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Front. Upper. Silverado, Sierra 3500 HD.
MSRP $73.54
$50.71
MSRP $73.54
$50.71
13
Fan Shroud GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Front. Lower. Silverado, Sierra 3500 HD.
MSRP $84.63
$57.38
MSRP $84.63
$57.38
No.
Part # / Description / Price
Price
12
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
17
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
13
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
13
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
13
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Related Parts
Part # / Description / Price
Price
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors