Cooling Systems

This kit brings you the best way to upgrade your cooling system for your 2003-2004 Ford 6.0L diesel. This kit combines our incredible Bullet Proof Diesel Billet Water Pump along with our Fan Clutch Adapter and a Hayden Mechanical Fan Clutch.

The Fleece Performance coolant bypass for the 2013-2018 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish.

Mishimoto High Temperature Thermostat is designed to activate at a higher temperature, improve the reliability of the cooling system and is a perfect solution for your 2001-2010 GMC/Chevy 6.6L Duramax truck.

Mishimoto Low Temperature Thermostat improves the reliability of the cooling system in your 2008-2010 Ford 6.4L Powerstroke truck.

Mishimoto Low Temperature Thermostat is designed to activate at a lower temperature, improve the reliability of the cooling system and is a perfect solution for your 1998.5-2013 Dodge 5.9L/6.7L Cummins truck.

Mishimoto Low Temperature Thermostat is designed to activate at a lower temperature and is a perfect solution for your 2001-2010 GMC/Chevy 6.6L Duramax truck.

Mishimoto Low Temperature Thermostat & Cast Housing package is designed to easily change both the thermostat and the old rusted thermostat housing for your 2003-2007 Ford 6.0L Powerstroke truck.

Motorcraft Radiator Pressure Cap - Ford OEM 6.0L 2003-2010, Helps restore the pressure required for your cooling system to function properly.

AC Delco thermostat housing gasket for your 2006-2016 6.6L Duramax diesel pickup

Cummins thermostat housing cover gasket is a great replacement for your 1994-1998 Dodge 5.9 Cummins truck.

The all-new Fleece Performance Coolant Bypass Kit for the 2019-2024 Ram 6.7L Cummins seamlessly integrates for an oem fit and finish.

Factory OEM Coolant Hose Degas Seal replacement for your Ford 6.4L 2008-2010

Reseal the cooling system in your 2011-2019 Ford 6.7L Powerstroke with the MAHLE K32581 Water Pump Gasket. MAHLE OE gaskets and seals give you original equipment form, fit, and function, so they fit just like the original!

The Fleece Performance coolant bypass for the 2003-2005 RAM with 5.9L (Automatic Transmission) Cummins seamlessly integrates with your truck for an OE fit-and-finish.

Replacement O-ring Kit for all Fleece Cummins Coolant Bypass Kits includes 3 new square cut O-rings, 1 new standard O-ring, and 2 new O-rings for the AN fittings.

Add years of life to your 1999-2003 Ford 7.3L Powerstroke diesel engine with this Water Coolant Filter Bypass System. Removes contaminates so that your engine's water pump, EGR cooler and oil cooler will last longer. Comes with CAT coolant filter.

the XDP Coolant Overflow Reservoir is an aluminum direct fit replacement for your 2003-2007 Ford 6.0L Powerstroke diesel.

The XDP Billet Thermostat Housing is built to last unlike the factory thermostat housing in your 1999.5-2003 Ford 7.3L Powerstroke diesel.

the XDP Coolant Overflow Reservoir is a stock direct fit replacement for your 2003-2007 Ford 6.0L Powerstroke diesel.

Replace the failed or leaking water pump on your 1996-2003 Ford 7.3 Powerstroke with the XDP XTRA Cool Water Pump XD663 (With Coolant Tube). This water pump includes new seals for a hassle-free installation

Replace the failed or leaking water pump on your 1996-2003 Ford 7.3 Powerstroke with the XDP XTRA Cool Water Pump XD663 (Without Coolant Tube). This water pump includes new seals for a hassle-free installation.

The Fleece Performance coolant bypass for the 2003-2005 RAM with 5.9L (Automatic Transmission) Cummins seamlessly integrates with your truck for an OE fit-and-finish.

OEM Motorcraft Powerstroke Radiator Drain Plug. Genuine replacement drain plug on your 2003-2007 Ford 6.0L Powerstroke.

The Sinister Diesel Coolant Filter Kit will extend the service life of your 2003-2007 Ford F-250, F-350, or Excursion Powerstroke 6.0L by removing contaminants that can cause damage to your engine internals. Comes with CAT coolant filter.

XDP Coolant Degas Bottle Cap direct fit replacement for your Ford 6.0L/6.4L/6.7L Powerstroke 2003-2016 truck.

Replace the failed water pump on your GM 6.6 LB7/LLY Duramax with a XDP XTRA Cool Water Pump (Pump Only). The XTRA Cool Water Pump is manufactured to meet the same specifications as the OEM pump.

The XDP XTRA Cool Water Pump (Pump Only) XD670 replaces the failed or leaking water pump on your GM 6.6 Duramax LBZ/LMM/LML. This is a direct-fit replacement and includes new seals for installation. This water pump is manufactured to meet OEM specifications and provides you with a factory fit and function. This is the pump only, no housing included.

The XDP XTRA Cool Water Pump (Pump Only) XD678 is a direct-fit replacement for the failed component in your GM 6.6 L5P Duramax. This water pump utilizes high-quality materials in the manufacturing process and is made to the same high-quality specifications as the factory pump. This is sold as the water pump only, no housing included.

The XDP XTRA Cool Water Pump (With Housing) XD666 is a high-quality replacement for the failed water pump on your GM 6.6 LB7/LLY Duramax engine. This Water Pump comes with the housing which is known to leak or erode due to cavitation and or corrosion in the cooling system.

The XDP XTRA Cool Water Pump (With Housing) XD671 will help restore operation to the cooling system in your GM 6.6 Duramax LBZ/LMM/LML. This water pump comes with the housing which is known to known to leak or erode due to cavitation and or corrosion in the cooling system.

The XDP XTRA Cool Water Pump (With Housing) XD679 is designed to restore operation to the cooling system in your GM 6.6 L5P Duramax. This Water Pump comes with the housing which is known to leak or erode over time due to cavitation and or corrosion in the cooling system. This is a direct-fit replacement that is manufactured to meet the factory specifications and includes the necessary seals for a hassle-free installation.

The XDP XTRA Cool Water Pump Housing (Housing Only) XD684 will replace the damaged housing on your GM 6.6 Duramax LB7/LLY. Over time these housings are known to erode or leak due to cavitation or corrosion from the cooling system. This housing is a direct-fit replacement that meets the factory specifications and is sold as just the housing without the water pump.

The XDP XTRA Cool Water Pump Housing XD683 will replace the old housing on your GM 6.6 Duramax LBZ/LMM/LML. These housings are often replaced due to erosion and leaks from cavitation or corrosion in the cooling system. Each unit is made to the same stringent standards as the factory unit and is a drop-in replacement. This is for the housing only, sold without the water pump.

The Fleece Performance coolant bypass for the 2003-2007 RAM with 5.9L (Manual Transmission) Cummins seamlessly integrates with your truck for an OE fit-and-finish.

MAHLE C32601 Thermostat Gasket Kit that will help install the thermostat housing onto your 2011-2022 Ford 6.7L Powerstroke.

The Mishimoto 2013-2018 RAM 6.7L Cummins aluminum degas tank is the most effective way to ensure your degas tank lasts as long as your RAM

The Mishimoto 2013-2018 RAM 6.7L Cummins aluminum degas tank is the most effective way to ensure your degas tank lasts as long as your RAM

The Fleece Performance coolant bypass for the 2006-2007 RAM with 5.9L (Automatic Transmission) Cummins seamlessly integrates with your truck for an OE fit-and-finish.

2011+ Duramax LML Rear Engine Cover Coolant Return Plug. The plug is made from high quality 6061 aluminum, anodized black, and laser etched with the Fleece Performace "F".

Add years of life to your 2017-2019 Ford Powerstroke 6.7L with Sinister Diesel's Water Coolant Filter Bypass System. Removes contaminates such as casting sand and metal shavings so that your water pump, EGR cooler and engine oil cooler will last longer.