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Chevrolet, (2017-2019), L5P, Cooling System

Shop Cooling System by Category

Mishimoto MMRA-LC-EG-YW Pre-Mixed Liquid Chill Coolant (Yellow)

Mishimoto MMRA-LC-EG-PR Pre-Mixed Liquid Chill Coolant (Purple)

Mishimoto MMRA-LC-FULLF Liquid Chill Synthetic Coolant

Mishimoto Pre-Mixed Liquid Chill Synthetic Coolant

Coolant 10

WCFab WCF100433 L5P / 2019+ L5D Duramax OEM Placement Coolant Tank Kit

2001-2010 & 2017-2023 Duramax L5P Failed Coolant Bottle Sensor Fooler

WCFab WCF100472 Billet Aluminum Coolant Tank Cap, Clear Anodized (2001-2024 Duramax; 2004.5-2024 Cummins)

WCFab WCF100543 Billet Aluminum Coolant Tank Cap, Black Anodized (2001-2024 Duramax; 2004.5-2024 Cummins)

WCFab WCF100710 L5P (17-19) Duramax Twin Turbo Coolant Tank Kit

Coolant Tanks 5

Fleece Performance Engineering FPE-DMAX-CBOP Billet Coolant Block Off Plate (2001-2025 6.6L Duramax)

WCFab WCF206-19 Low Coolant Level Sensor (2001-2010; 2017-2025 Duramax)

WCFab WCF100188 Thermostat Housing (2017-2025 Duramax)

Parts 23

XDP XD679 XTRA Cool Water Pump (With Housing) (2017-2025 Duramax)

XDP XD678 XTRA Cool Water Pump (Pump Only) (2017-2025 Duramax)

Pumps 2

Radiator 2

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Chevrolet, (2017-2019), L5P, Cooling System

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ACDelco (2)

CSF (2)

Fleece Performance Engineering (1)

Hot Shot's Secret (3)

Lucas Oil (1)

Mahle (3)

Merchant Automotive (2)

Mishimoto Performance Parts (8)

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ACDelco (2) CSF (2) Fleece Performance Engineering (1) Hot Shot's Secret (3) Lucas Oil (1) Mahle (3) Merchant Automotive (2) Mishimoto Performance Parts (8) Pacific Performance Engineering (4) Performance Diesel Worx (1) Wehrli Custom Fabrication (8) XDP MFG (4)

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39 products

Merchant Automotive

Merchant Automotive 10544 Water Pump With Cover & Gaskets (2017-2019 6.6L Duramax)

Sale price$249.99

Mahle

MAHLE C33755 Thermostat Bypass Pipe Gasket (2017-2020 6.6L Duramax)

Sale price$3.99

Mahle

MAHLE C33756 Water Pump Outlet Pipe Gasket (2017-2020 Duramax)

Sale price$3.99

Mahle

MAHLE GS34037 Water Pump Gasket (2017-2020 6.6L Duramax)

Sale price$25.99

Lucas Oil

Lucas Oil 10640 Super Coolant

Sale price$12.99

Hot Shot's Secret

Hot Shot's Secret 150K Mile Extended Life Green Coolant (1 Gal)

Sale price$16.99

Hot Shot's Secret

Hot Shot's Secret 150,000 Mile Heavy Duty Extended Life Yellow (1 Gal)

Sale price$16.99

Hot Shot's Secret

Hot Shot's Secret 750,000 Mile Heavy Duty Ultra Long Life Red (1 Gal)

Sale price$19.99

CSF 10724 AC Condenser (2015 - 2019 Duramax) - Southern Diesel Supply

CSF

CSF 10724 AC Condenser (2015-2019 6.6L Duramax)

Sale price$108.99

CSF 3843 OEM Style Replacement Radiator (2017 - 2019 Duramax) - Southern Diesel Supply

CSF

CSF 3843 OEM Style Replacement Radiator (2017-2019 6.6L Duramax)

Sale price$387.99

ACDelco

ACDelco 131-131 Rear Coolant Thermostat (2001-2019 Duramax)

Sale price$43.99

ACDelco

ACDelco 131-163 Front Coolant Thermostat (2001-2019 Duramax)

Sale price$51.99

Wehrli Custom Fabrication

WCFab WCF100155 Billet Heater Core Firewall Fitting (2001-2023 Duramax)

Sale price$41.99

Wehrli Custom Fabrication

WCFab WCF100543 Billet Aluminum Coolant Tank Cap, Black Anodized (2001-2024 Duramax; 2004.5-2024 Cummins)

Sale price$39.99

WCFab WCF100710 L5P (17 - 19) Duramax Twin Turbo Coolant Tank Kit - Southern Diesel Supply

Wehrli Custom Fabrication

WCFab WCF100710 L5P (17-19) Duramax Twin Turbo Coolant Tank Kit

Sale price$409.99

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At Southern Diesel Supply, we are passionate about power, performance, and precision. Specializing in premium accessories for RAM, Chevrolet, GMC, and Ford, we provide truck owners with the best upgrades to enhance durability, style, and functionality.