Gaskets & Sealing Systems for 2025 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
1
Air Conditioning Condenser 
ACDelco
ACDelco Description: GM Genuine Parts A/C Condensers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These condensers are heat exchangers typically located in front of the engine radiator. The condenser dissipates heat absorbed by ...
Not For Sale
Not For Sale
2
Acdelcoâ„¢ A/C Receiver Drier 
GM
GM Notes: PARTS: Part included with condenser.
Description: 2.7L turbo, 3.0L diesel. 6.6L gas. 6.6L diesel. 4.3, 5.3, 6.2L. Silverado, sierra.
2
Air Conditioning Receiver Drier GM
GM Notes: PARTS: Part included with condenser.
Description: 4.3, 5.3, 6.2L. 6.6L gas. 6.6L diesel. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 2.7L turbo, 3.0L diesel. 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 $251.05
$131.78
MSRP $251.05
$131.78
2
A/C Receiver Drier ACDelco
ACDelco Notes: PARTS: Part included with condenser.
Description: GM Genuine Parts A/C Receiver Drier / Desiccant Element Kits 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
3
Air Conditioning Evaporator Hose GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. Repairs leaking A/C system
Restores A/C function
The evaporator hose transports refrigerant from the outlet of the condenser to the inlet of the evaporator
This GM Genuine Part is designed, engi ...
MSRP $117.27
$61.57
MSRP $117.27
$61.57
3
A/C Evaporator Hose ACDelco
ACDelco Description: GM Genuine Parts A/C Evaporator Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These A/C evaporator hoses carry the liquid refrigerant from the outlet of the condenser to the inlet of the evaporator. The ...
Not For Sale
Not For Sale
4
Air Conditioning Seal GM
GM Notes: PARTS: Part included with discharge hose.
Description: Type 1. 2.5L. Condenser and components, 1.2L turbo, small. Condenser and components, 1.3L turbo, small. With hybrid. 3.6L. 5/8". Corvette. 5/8. 2.8L turbo diesel. 5/8". 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 $1.26
$0.66
MSRP $1.26
$0.66
5
Suction & Discharge Hose Assembly GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
5
Air Conditioning Compressor and Condenser Hose ACDelco
ACDelco Description: GM Genuine Parts A/C Hose Assemblies 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
6
Air Conditioning Compressor Hose Seal GM
GM Notes: PARTS: Part included with front suction hose.
Description: 6.0L, large. 6.6L diesel, 2017-19, large. Type 1. 6.6L diesel, small. 6.6L gas, small. Condenser and components, 1.3L turbo. Condenser and components, 1.2L turbo. CT4. Corvette. 1/2. 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 $9.04
$4.75
MSRP $9.04
$4.75
6
A/C Line O-Ring ACDelco
ACDelco Notes: PARTS: Part included with front suction hose.
Description: GM Genuine Parts Rubber-Bonded Sealing Washers 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
$3.91
$3.91
7
Air Conditioning Compressor Hose Seal GM
GM Notes: PARTS: Part included with front suction hose.
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 $9.04
$4.75
MSRP $9.04
$4.75
7
A/C Line O-Ring ACDelco
ACDelco Notes: PARTS: Part included with front suction hose.
Description: GM Genuine Parts Rubber-Bonded Sealing Washers 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
$3.91
$3.91
8
Air Conditioning System Valve Core GM
GM Notes: PARTS: Part included with front suction hose.
Description: Repairs leaking A/C system
Restores A/C function
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 $17.64
$9.26
MSRP $17.64
$9.26
8
A/C System Valve Core ACDelco
ACDelco Notes: PARTS: Part included with front suction hose.
Description: GM Genuine Parts A/C Service Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These spring-loaded valves allow service access to the A/C system. The service valves allow the service technician to evacuate ...
$7.60
$7.60
9
Air Conditioning Evaporator Air Temperature Sensor GM
GM Notes: PARTS: Part included with front suction hose.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.76
$7.75
MSRP $14.76
$7.75
9
Multi-Purpose Pressure Sensor ACDelco
ACDelco Notes: PARTS: Part included with front suction hose.
Description: ACDelco GM Original Equipment A/C Refrigerant Pressure Sensors monitor the pressure of the refrigerant circuit and provide pressure data to the Engine Control Module (ECM) or HVAC control head. The ECM or control head can then regulate the compressor and c ...
$6.39
$6.39
13
Air Conditioning Service Valve GM
GM Notes: PARTS: Part included with rear suction hose.
Description: 6.6L gas. 6.6L diesel, #1. 5.7L, 1998-02. 3.5 & 3.6L. Rear, 2.0L. 3.4L. Front. Repairs leaking A/C system
Restores A/C function
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 $14.00
$7.35
MSRP $14.00
$7.35
13
Air Conditioning Refrigerant High Pressure Service Valve ACDelco
ACDelco Notes: PARTS: Part included with rear suction hose.
Description: GM Genuine Parts A/C Service Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These spring-loaded valves allow service access to the A/C system. The service valves allow the service technician to evacuate ...
$6.04
$6.04
13
Acdelcoâ„¢ A/C Service Valve Core GM
GM Notes: PARTS: Part included with rear suction hose.
Description: 6.6L gas. 6.6L diesel. #1. 5.7L, 1998-02. 3.5 & 3.6L. Front, 2.4L. Rear, 2.0L. 3.4L.
16
Air Conditioning Service Valve Fitting Cap GM
GM Notes: PARTS: Part included with rear suction hose.
Description: 4.3, 5.3, 6.2L. 3.6L. 2.8L turbo diesel. 2.5L. 6.6L diesel, #2. Condenser & lines. 2.7L turbo, 3.0L diesel. 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 $8.82
$4.63
MSRP $8.82
$4.63
16
A/C Service Valve Cap ACDelco
ACDelco Notes: PARTS: Part included with rear suction hose.
Description: GM Genuine Parts A/C Service Valve Caps 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
$3.81
$3.81
17
Compressor GM
GM Description: Silverado, Sierra 3500 HD. Diesel. Silverado, Sierra 2500 HD.
MSRP $518.52
$272.20
MSRP $518.52
$272.20
18
Air Conditioning Compressor Stud GM
GM Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.32
$3.84
MSRP $7.32
$3.84
19
Acdelcoâ„¢ A/C Compressor Clutch GM
GM Notes: PARTS: Part included with compressor.
Description: Silverado, Sierra 2500 HD. Diesel.
19
Air Conditioning Clutch GM
GM Notes: PARTS: Part included with compressor.
Description: 6.6L diesel. Restore A/C compressor clutch to like new performance
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
19
A/C Clutch ACDelco
ACDelco Notes: PARTS: Part included with compressor.
Description: GM Genuine Parts A/C Compressor Clutch Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These kits include the compressor clutch, which engages and disengages the compressor when the A/C is switched on and ...
Not For Sale
Not For Sale
21
Multi-Purpose Bushing GM
GM Notes: PARTS: Part included with mount bracket.
Description: 2.8L. 6.6L diesel, 18.5mm. Auxiliary, 6.6L diesel. Primary, 6.6L diesel. 6.6L diesel. 15x18.5. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $15.33
$9.18
MSRP $15.33
$9.18
21
Multi-Purpose Bushing ACDelco
ACDelco Notes: PARTS: Part included with mount bracket.
Description: GM Genuine Parts Alternator Bracket Bushings 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
$8.66
$8.66
21
Mount Bracket Spacer - Driver's Side (LH) GM
GM Notes: PARTS: Part included with mount bracket.
Description: 6.6L diesel, 15.5x18.9. Driver's Side (LH).
MSRP $14.83
$8.87
MSRP $14.83
$8.87
21
Multi-Purpose Bushing ACDelco
ACDelco Notes: PARTS: Part included with mount bracket.
Description: GM Genuine Parts Multi Purpose Bushings 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
multi-purpose-bushing;bushing;
multi-purpose-bushing;bushing;
Not For Sale
Not For Sale
22
Air Conditioning Compressor Brace Bolt GM
GM Description: 6.6L diesel, with dual alternators. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $5.80
$3.04
MSRP $5.80
$3.04
23
Air Conditioning Compressor Bracket Stud GM
GM Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $5.48
$2.88
MSRP $5.48
$2.88
24
Multi-Purpose Nut GM
GM Description: Primary, 6.6L diesel. Front section. 3.0L twin-turbo. Shifter & components, 8 speed trans. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $5.66
$3.39
MSRP $5.66
$3.39