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2011-2014 GMC Duramax LML Cooling System Parts

Shop Cooling System by Category

ACDelco 10-5027 Dex-Cool 50/50 Pre-Mixed Extended Life Engine Coolant

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

Coolant 11

WCFab WCF100472 Billet Aluminum Coolant Tank Cap (2001-2024 6.6L Duramax / 2004.5-2024 Cummins)

Merchant Automotive 10800 Coolant Tank Float Switch (2011-2016 6.6L Duramax)

WCFab WCF100644 Twin Turbo Coolant Tank Kit (2011-2016 6.6L Duramax)

WCFab WCF206-25 Low Coolant Level Sensor (2011-2016 6.6L Duramax / 2013-2018 6.7L Cummins)

WCFab WCF100647 OEM Placement Coolant Tank Kit (2011-2016 6.6L Duramax)

Coolant Tanks 5

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

Dorman 800-409HP Metal Heater Hose Connector (Engine To Heater) (2001-2014 6.6L Duramax)

Dayco 87656 Molded Heater Hose - Heater Inlet (2011-2014 6.6L Duramax)

Dayco 87774 Molded Heater Hose - Heater Outlet (2011-2014 6.6L Duramax)

Parts 44

Dayco DP1226B Water Pump (With Housing) (2006-2016 6.6L Duramax)

Dayco DP1226 Water Pump (Pump Only) (2006-2016 6.6L Duramax)

Alliant Power AP63508 Water Pump Housing (Housing Only) (2006-2016 6.6L Duramax)

Alliant Power AP63563 Water Pump (Pump Only) (2006-2016 6.6L Duramax)

ACDelco 251-748 Water Pump (With Housing) (2006-2016 6..6L Duramax)

Pumps 5

Mishimoto R13244 Replacement Radiator (2011-2016 Duramax)

Mishimoto MMRAD-DMAX-11 Aluminum Performance Radiator (2011-2016 Duramax)

CSF 3584 OEM Style Replacement Radiator (2011-2016 6.6L Duramax)

Radiator 3

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67 products

Save $6.00

PPE 119000820 Black Coolant Block - Off Plate (2001 - 2026 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 119000820 Black Coolant Block-Off Plate (2001-2026 Duramax)

Sale price$53.99

Regular price$59.99

Save $2.00

PPE 119020009 Stainless Steel Heater Hose Connector (2001 - 2014 Duramax) - Southern Diesel Supply

Pacific Performance Engineering

PPE 119020009 Stainless Steel Heater Hose Connector (2001-2014 Duramax)

Sale price$19.99

Regular price$21.99

Save $4.00

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

Mishimoto Performance Parts

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

Sale price$29.99

Regular price$33.99

Save $4.00

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

Mishimoto Performance Parts

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

Sale price$29.99

Regular price$33.99

Save $4.00

Mishimoto Performance Parts

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

Sale price$29.99

Regular price$33.99

Save $9.00

Mishimoto MMRA - LC - FULLF Liquid Chill Synthetic Coolant - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMRA-LC-FULLF Liquid Chill Synthetic Coolant

Sale price$82.99

Regular price$91.99

On sale

Mishimoto Pre - Mixed Liquid Chill Synthetic Coolant - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto Pre-Mixed Liquid Chill Synthetic Coolant

Sale priceFrom $27.99

Regular price$31.99

Save $3.00

Mishimoto MMRA - LC Liquid Chill Radiator Coolant Additive - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMRA-LC Liquid Chill Radiator Coolant Additive

Sale price$20.99

Regular price$23.99

Save $20.00

Mishimoto MMTS - CHV - 01DH High Temperature Coolant Thermostats (2001 - 2016 Duramax) - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMTS-CHV-01DH High Temperature Coolant Thermostats (2001-2016 6.6L Duramax)

Sale price$99.99

Regular price$119.99

Save $20.00

Mishimoto MMTS - CHV - 01DL Low Temperature Coolant Thermostats (2001 - 2016 Duramax) - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMTS-CHV-01DL Low Temperature Coolant Thermostats (2001-2016 6.6L Duramax)

Sale price$99.99

Regular price$119.99

Save $40.00

Mishimoto MMHOSE - DMAX - 11 Silicone Radiator Hose Kit (2011 - 2016 Duramax) - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMHOSE-DMAX-11 Silicone Radiator Hose Kit (2011-2016 6.6L Duramax)

Sale price$389.99

Regular price$429.99

Black Blue Red

Save $30.00

Mishimoto R13244 Replacement Radiator (2011 - 2016 Duramax) - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto R13244 Replacement Radiator (2011-2016 Duramax)

Sale price$289.99

Regular price$319.99

Save $110.00

Mishimoto MMRAD - DMAX - 11 Aluminum Performance Radiator (2011 - 2016 Duramax) - Southern Diesel Supply

Mishimoto Performance Parts

Mishimoto MMRAD-DMAX-11 Aluminum Performance Radiator (2011-2016 Duramax)

Sale price$1,049.99

Regular price$1,159.99

Merchant Automotive

Merchant Automotive 10439 Coolant Thermostat Housing Gasket (2-Pack) (2001-2016 6.6L Duramax)

Sale price$19.99

Merchant Automotive

Merchant Automotive 10815 Lower Radiator Pipe O-Ring (At Radiator) (2011-2016 6.6L Duramax)

Sale price$7.99

Merchant Automotive

Merchant Automotive 10248 Water Pump Seal (2001-2016 6.6L Duramax)

Sale price$13.99

Merchant Automotive

Merchant Automotive 10345 Water Pump Gasket Kit (2001-2016 6.6L Duramax)

Sale price$41.99

Merchant Automotive

Merchant Automotive 10513 Engine Coolant Thermostat Kit (2011-2016 6.6L Duramax)

Sale price$119.99

Merchant Automotive

Merchant Automotive 10089 Billet Coolant Block-Off Plate (2001-2025 6.6L Duramax)

Sale price$59.99

Merchant Automotive

Merchant Automotive 10543 Water Pump (With Housing) (2006-2016 6.6L Duramax)

Sale price$279.99

Merchant Automotive

Merchant Automotive 20309 Rear Cover Coolant Seals (Pair) (2011-2016 6.6L Duramax)

Sale price$19.99

Merchant Automotive

Merchant Automotive 10800 Coolant Tank Float Switch (2011-2016 6.6L Duramax)

Sale price$39.99

Mahle

MAHLE C31889 Engine Coolant Thermostat Housing Gasket (2001-2016 6.6L Duramax)

Sale price$2.99

Mahle

MAHLE B33276 Engine Coolant Thermostat Housing O-Ring (2001-2016 6.6L Duramax)

Sale price$2.99

2 / 3

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9-Bay Install Shop — we install what you buy Local Pickup in Wildwood, FL Diesel experts — call or text (352) 722-5295

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Southern Diesel Supply
2804 Co Rd 523
Wildwood, FL 34785

(352) 722-5295

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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.