Radiator & Components for 2025 GMC Sierra 3500 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
$12.70
MSRP $20.09
$12.70
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
$12.70
MSRP $20.09
$12.70
3
Radiator Upper Insulator GM
GM Positions: Right
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
$5.54
MSRP $8.79
$5.54
4
Radiator Lower Insulator GM
GM Positions: Left
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
$5.31
MSRP $8.43
$5.31
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
$15.05
MSRP $23.88
$15.05
5
Radiator Drain Petcock 
ACDelco
ACDelco Notes: PARTS: Part included with radiator.
Description: GM Genuine Parts Radiator Drain Petcocks 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
$17.26
$17.26
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
$4.62
MSRP $7.33
$4.62
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
$11.77
MSRP $18.69
$11.77
8
Multi-Purpose Clamp ACDelco
ACDelco Description: GM Genuine Parts Hose Clamps are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These clamps are used to help attach and seal the end of a hose to prevent leaks. GM Genuine Parts are the true OE parts installed du ...
Not For Sale
Not For Sale
11
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
11
Radiator Surge Tank ACDelco
ACDelco Description: ACDelco GM Original Equipment Engine Coolant Reservoirs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Reservoirs typically hold excess or an expansion of coolant and help maintain optimal operating temperatur ...
Not For Sale
Not For Sale
13
Hose GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $64.90
$40.88
MSRP $64.90
$40.88
14
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 $61.10
$32.05
MSRP $61.10
$32.05
14
Multi-Purpose Clamp ACDelco
ACDelco Description: GM Genuine Parts Hose Clamps 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
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hose-clamp;clamp;hose;
Not For Sale
Not For Sale
No.
Part # / Description / Price
Price
N/A
Hose GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $64.90
$40.88
MSRP $64.90
$40.88
N/A
Radiator Shutter Assembly GM
GM Description: With active shutter. Sierra 2500 HD. Upper. Sierra 3500 HD.
$182.51
$182.51
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
$15.05
MSRP $23.88
$15.05
N/A
Radiator Drain Petcock ACDelco
ACDelco Description: GM Genuine Parts Radiator Drain Petcocks 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
$17.26
$17.26
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
$54.63
MSRP $91.27
$54.63
N/A
Engine Block Heater ACDelco
ACDelco Description: GM Genuine Parts Engine Heater 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
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engine-heater;engine-block-heater;replacement-engine-heaters;block-heater
$53.81
$53.81
1
Engine Radiator ACDelco
ACDelco Description: GM Genuine Parts Radiators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Radiators are heat exchangers, typically located in the front of the vehicle where air can flow through the fins and dissipate heat. Mo ...
Not For Sale
Not For Sale
2
MSRP $93.01
$58.58
3
MSRP $37.18
$23.42
3
Radiator Outlet Hose ACDelco
ACDelco Description: ACDelco GM Original Equipment Radiator Coolant Hose is a GM-recommended replacement component for one or more of the following vehicle systems: cooling. This original equipment hose will provide the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
$26.75
$26.75
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
5
Radiator Surge Tank ACDelco
ACDelco Description: ACDelco GM Original Equipment Engine Coolant Reservoirs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Reservoirs typically hold excess or an expansion of coolant and help maintain optimal operating temperatur ...
Not For Sale
Not For Sale
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
$37.94
MSRP $72.25
$37.94
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
$5.69
MSRP $10.84
$5.69
7
Coolant Seal ACDelco
ACDelco Description: GM Genuine Parts Engine Coolant Thermostat Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help close and prevent coolant from leaking out of your vehicle's cooling system components. GM Genui ...
$5.01
$5.01
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
$9.42
MSRP $17.94
$9.42
8
Water Pump Inlet ACDelco
ACDelco Description: GM Genuine Parts Engine Water Pump Inlet Tubes 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
$7.76
$7.76
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.
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
$0.46
MSRP $0.88
$0.46
10
Water Pump Gasket ACDelco
ACDelco Description: GM Genuine Parts Engine Water Pump Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets are used between the water pump housing and the engine block or another component to seal the interface b ...
$0.40
$0.40
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
$102.03
MSRP $194.37
$102.03
11
Engine Cooling Fan Blade ACDelco
ACDelco Description: GM Genuine Parts Engine Cooling Fan Blades 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
Not For Sale
Not For Sale
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
$179.13
MSRP $341.24
$179.13
12
Fan Blade Clutch ACDelco
ACDelco Description: ACDelco GM Original Equipment Engine Cooling Fan Clutches control the speed of the radiator fan based on the temperature of the air after it passes through the radiator fins. This original equipment engine cooling fan clutch is a GM-recommended replacement ...
Not For Sale
Not For Sale
13
Fan Shroud GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Front. Lower. Silverado, Sierra 3500 HD.
MSRP $84.63
$53.31
MSRP $84.63
$53.31
13
Fan Shroud GM
GM Description: 6.6L gas. Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD.
MSRP $194.08
$122.26
MSRP $194.08
$122.26
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