Intercooler for 2021 GMC Sierra 1500
No.
Part # / Description / Price
Price
1
Engine Auxiliary Radiator 
GM
GM Description: Silverado, sierra. Auxiliary. 3.0L diesel. Lightweight; the radiators have a positive heat transfer to weight ratio
Corrosion-resistant aluminum designed core helps optimize the radiators long lasting
Manufactured to GM OE specification for fit, form, and function
MSRP $457.53
$303.33
MSRP $457.53
$303.33
2
Hoses GM
GM Description: 3.0L diesel. Charge Air Cooling. 2020-22. Suburban. Inlet. Tahoe. 6.2L supercharger, labeled 85510518. To auxiliary radiator. Lower. Escalade.
MSRP $46.14
$30.79
MSRP $46.14
$30.79
3
Hose GM
GM Description: 3.0L diesel. 2020-22. Auxiliary radiator. Suburban. Outlet. To cooler. Tahoe. Charge Air Cooling.
MSRP $176.17
$97.77
MSRP $176.17
$97.77
4
Engine Coolant Temperature Sensor GM
GM Notes: PARTS: Part included with air outlet tube.
Description: Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
Alerts vehicle operator of high engine temperature conditions
5
Intercooler GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
6
Engine Coolant Hose Replaced by 85044185 GM
GM Description: Auxiliary radiator. Suburban. Tahoe. To tank. Outlet hose. 2020-22 3.0L diesel. 2023-25 3.0L diesel.
8
Reservoir Cap GM
GM Description: 3.0L diesel. 6.6L diesel, fuel cooling. 1.8L, generator cooling. 2020-22. 2023-25. 6.2L supercharger. HVAC System. Location-Reservoir. Charge Air Cooling.
MSRP $9.88
$5.51
MSRP $9.88
$5.51
9
Multi-Purpose Clamp GM
GM Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $2.77
$1.76
MSRP $2.77
$1.76
10
Reservoir Hose GM
GM Description: Auxiliary radiator. Suburban. Outlet. To pump. Tahoe. Reservoir hose. 2020-22 3.0L diesel. 2023-25 3.0L diesel.
MSRP $69.99
$44.38
MSRP $69.99
$44.38
11
(Replaces 13549888) Turbocharger Intercooler Pump GM
GM Description: 3.0L diesel. Charging air pump. CT6. 4.2l. 2023-25. 4.2L twin-turbo, radiator mounted. 2020-22. 6.2L supercharger. Charge Air Cooling.
MSRP $325.08
$204.79
MSRP $325.08
$204.79
11
(Replaces 13546428) Engine Auxiliary Water Pump GM
GM Description: Suburban. Heater. Tahoe. Escalade ESV. Yukon. HVAC System.
MSRP $172.00
$95.46
MSRP $172.00
$95.46
12
Charge Air Cooler Coolant Pump Bracket GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $28.32
$18.00
MSRP $28.32
$18.00
No.
Part # / Description / Price
Price
1
Engine Oil Cooler Kit with Gasket GM
GM Description: Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
2
Engine Oil Cooler Gasket GM
GM Notes: PARTS: Part included with oil cooler.
Description: Cooler To Adapter. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $27.56
$17.52
MSRP $27.56
$17.52
2
Engine Oil Cooler Seal GM
GM Description: Adapter To Block. Gasket. 2.0L turbo. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $0.85
$0.57
MSRP $0.85
$0.57
3
Engine Oil Cooler Coolant Inlet Hose GM
GM Description: Silverado, sierra. Inlet. Engine to t-connector. 3.0L diesel, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $15.02
$9.54
MSRP $15.02
$9.54
4
Engine Oil Cooler Coolant Inlet Hose GM
GM Description: Silverado, sierra. Inlet. T-connector to cooler. 3.0L diesel, lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $13.66
$8.67
MSRP $13.66
$8.67
5
Engine Coolant Fitting GM
GM Description: 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $36.86
$23.43
MSRP $36.86
$23.43
6
By-Pass Hose GM
GM Description: Silverado, sierra. Engine code lm2. Outlet. Escalade. Suburban. Tahoe. 3.0L diesel, 2020-22. Yukon.
MSRP $106.82
$59.29
MSRP $106.82
$59.29
6
Auxiliary Radiator Inlet Hose GM
GM Positions: Lower
Description: 2023-25. 3.0L diesel. Charge Air Cooling.
MSRP $77.47
$51.71
MSRP $77.47
$51.71
7
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with outlet hose.
Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $2.77
$1.76
MSRP $2.77
$1.76
8
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with outlet hose.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
11
(Replaces 13549888) Turbocharger Intercooler Pump GM
GM Description: 3.0L diesel. Charging air pump. CT6. 4.2l. 2023-25. 4.2L twin-turbo, radiator mounted. 2020-22. 6.2L supercharger. Charge Air Cooling.
MSRP $325.08
$204.79
MSRP $325.08
$204.79