Collection: 2011-2016 6.6L LML Duramax Cooling System
2011-2016 6.6L LML Duramax Cooling System
Keep your 2011-2016 6.6L LML Duramax running cool and efficiently with our premium cooling system components. Whether you're replacing a worn-out radiator, upgrading your hoses, or looking for a high-performance coolant system, our collection of cooling parts ensures...
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COOLER BYPASS DELETE GM 6L80 2014-2018
Regular price $93.95 USDSale price $93.95 USD Regular priceUnit price / per -
Duramax LML Rear Engine Cover Coolant Return Plug Fleece Performance
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per$20.99 USDSale -
Multiuse Sensor Pigtail No 11
Regular price $18.99 USDSale price $18.99 USD Regular priceUnit price / per$19.94 USDSale -
PPE 1999-2016 GM Stainless Steel Heater Hose Connector
Regular price $19.79 USDSale price $19.79 USD Regular priceUnit price / per$24.99 USDSale -
PPE 2001-2016 GM 6.6L Duramax Air Bleeder Screw
Regular price $13.49 USDSale price $13.49 USD Regular priceUnit price / per -
PPE 2001-2024 GM 6.6L Duramax 304 Stainless Steel Coolant Tube (pump to oil cooler)
Regular price $197.99 USDSale price $197.99 USD Regular priceUnit price / per$219.99 USDSale -
PPE 2001-2024 GM 6.6L Duramax Coolant Block-Off Plate - Billet Aluminum - Black
Regular price $53.99 USDSale price $53.99 USD Regular priceUnit price / per$59.99 USDSale -
PPE 2001-2026 GM 6.6L Duramax Coolant Block-Off Plate - Billet Aluminum - Raw
Regular price $49.49 USDSale price $49.49 USD Regular priceUnit price / per -
PPE 2011-2014 GM 6.6L Duramax Performance Silicone EGR to CAB Coolant Hose
Regular price $11.69 USDSale price $11.69 USD Regular priceUnit price / per$12.99 USDSale -
PPE 2011-2016 GM 6.6L Duramax Coolant Bypass Tube - Water Pump to Thermostat Housing
Regular price $116.99 USDSale price $116.99 USD Regular priceUnit price / per -
PPE 2011-2016 GM 6.6L Duramax EGR Cooler Coolant Bypass Outlet Hose
Regular price $26.99 USDSale price $26.99 USD Regular priceUnit price / per -
PPE 2011-2016 GM 6.6L Duramax Performance Silicone Upper Radiator Hose - Blue
5.0 / 5.0
(1) 1 total reviews
Regular price $49.49 USDSale price $49.49 USD Regular priceUnit price / per -
PPE 2011-2016 GM 6.6L Duramax Turbo Coolant Feed Hose
Regular price $26.99 USDSale price $26.99 USD Regular priceUnit price / per -
PPE 2013–2016 GM 6.6L Duramax EGR Cooler Coolant Bypass Inlet
Regular price $26.99 USDSale price $26.99 USD Regular priceUnit price / per -
PPE Billet C-2 Clutch Hub
Regular price $719.99 USDSale price $719.99 USD Regular priceUnit price / per -
Replacement CP3 feed hose for LML CP3 Conversion Kit Fleece Performance
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per$20.99 USDSale -
Replacement CP3 Return Hose for LML CP3 Conversion Kit Fleece Performance
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per$20.99 USDSale
2011-2016 6.6L LML Duramax Cooling System
Keep your 2011-2016 6.6L LML Duramax running cool and efficiently with our premium cooling system components. Whether you're replacing a worn-out radiator, upgrading your hoses, or looking for a high-performance coolant system, our collection of cooling parts ensures optimal engine temperature control. These components are designed to improve heat dissipation and help prevent overheating, ensuring reliable performance, even under heavy towing or off-road conditions.
Durable Cooling System Parts for 6.6L LML Duramax
Our collection includes high-quality parts like radiators, coolant hoses, and performance cooling systems from trusted brands like PPE and Fleece Performance. These parts are designed to improve the flow of coolant, reduce engine temperatures, and prevent damage to critical engine components.
Why Choose Our Cooling System Components?
Upgrading your cooling system ensures that your truck remains cool and efficient under heavy loads. These components are built to handle the demands of high-performance driving and extended towing, ensuring your Duramax stays at optimal temperature, no matter the conditions.
Key Features:
- Improved Heat Dissipation: Keeps engine temperatures in check under load.
- Enhanced Durability: Built to withstand tough conditions and heavy-duty use.
- Optimized Performance: Helps maintain engine efficiency and reliability.




