CSF OEM REPLACEMENT RADIATOR 2017-2019 GM 6.6L DURAMAX L5P

Blessed Performance has the CSF OEM Replacement Radiator manufactured from the highest quality components to provide you with the best aftermarket OE replacement radiator available for your 2017-2019 GM 6.6L Duramax L5P. CSF is an ISO certified...

DIAMOND ADVANTAGE WATER PUMP - 2017-2019 GM 6.6L DURAMAX L5P

Blessed Performance can keep your engine running cool with a Diamond Advantage Water Pump. All units are subjected to a rigorous end-of-line leak and hub-pull test to ensure maximum functionality. To withstand the high rotation speeds and heavy...

DORMAN THERMOSTAT HOUSING (WATER PUMP) (INCLUDES THERMOSTAT) 2007.5-2021 GM 6.6L DURAMAX

Blessed Performance can install the Dorman Thermostat Housing (Water Pump) (Includes Thermostat) on to your vehicle. Dorman's OE Solutions components provide your vehicle with a direct-fit replacement that maintains the factory function. Every Dorman...

FLEECE COOLANT BLOCK-OFF PLATE 2017 6.6L DURAMAX

Upgrade your rear engine cover and stop the coolant leaks for good! Fleece's blocking plate for 2001-2017 GM Duramax diesels is thicker than the stock plate and has an integral square cut O-ring with no gasket required. OE covers are prone to leakage...

GM Front Thermostat

Blessed Performance has the GM Front Thermostat a factory replacement for your 2001-2016 GM 6.6L Duramax. This Thermostat features the same OE activation temp and is a drop-in replacement for the Front Thermostat equipped from the factory...

GM Rear Thermostat

Blessed Performance has the GM Rear Thermostat a factory replacement for your 2001-2016 GM 6.6L Duramax. This Thermostat features the same OE activation temp and is a drop-in replacement for the Rear Thermostat equipped from the factory...

HSP DIESEL UPPER COOLANT TUBE- 2017-2019 L5P 6.6L Duramax

Shop Blessed Performance for the HSP Upper Coolant Tube for the 2017-2019 L5P Duramax-equipped Chevrolet and GMC trucks. This is an often-overlooked piece that can set off an engine bay. This a Custom/Made to Order Product (4-6 Week Lead time) Why would...

Merchant Automotive Billet Coolant Block-Off Plate

Blessed Performance has the Merchant Automotive Billet Coolant Block-Off Plate to eliminate the common leaking issue in your 2001-2017 GM 6.6L Duramax. The factory coolant block-off plate has a cast design with a gasket. Over time, this plate...

MISHIMOTO ALUMINUM PERFORMANCE RADIATOR 2017-2019 GM 6.6L DURAMAX L5P

Blessed Performance has the Mishimoto Aluminum Performance Radiator, engineered to handle the most extreme conditions in your 2017-2019 GM 6.6L Duramax L5P. The stock radiator has plastic end tanks that, over time, are prone to cracking and...

MISHIMOTO SILICONE RADIATOR HOSE KIT 2017-2019 GM 6.6L DURAMAX L5P

Shop with Blessed Performance for the Mishimoto Silicone Radiator Hose Kit a superior replacement for the rubber radiator hoses in your 2017-2019 GM 6.6L Duramax L5P. The stock radiator hoses on the Duramax L5P are manufactures from a mixture of...

XDP BILLET COOLANT BLOCK-OFF PLATE 2001-2017 GM 6.6L DURAMAX

Blessed Performance can put the XDP Billet Coolant Block-Off Plate in your 2001-2017 GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your Duramax engine. The factory cover uses a gasket and over time the plate can...

XDP Duramax Radiator Drain Pipe - 2006-2019 GM 6.6L DURAMAX

Eliminate the hassle of servicing the cooling system in your 2006-2019 GM 6.6L Duramax with the XDP Duramax Radiator Drain Pipe XD328. Draining the cooling system in your truck requires removal of the lower radiator hose. Once that hose is...