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Cooling System Components

Cummins cooling system freeze plugs

Pure Diesel Power offers a complete line of parts for the Cummins cooling system, including billet bolt in freeze plugs for the block, electric water pumps, coolant filter bypass kits, high performance radiators, coolant hose kits, water pressure regulators, fans by Flex A Lite and Derale, and Velcac spring loaded hose clamps.

FREEZE PLUG BACK PLATE This freeze plug plate is made in two versions- select your choice above. Blown out plug option- To be used when the...


Solve that pesky rear freeze plug problem once & for all!

Includes plate that bolts in place on the back of the block that takes place of the rear freeze plug.

Rear core plug plate for use in Common Rail Cummins blocks 2003 & up. 


 

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Another product from Fleece Performance built out of necessity is the 2003-2005 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When the horsepower is increased there is an increased demand on the cooling system. The rear cylinders suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the system, especially the rear of the block and possibly blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. We’ve designed our coolant bypass kit with a secondary thermostat, that unlike other brands, works based on temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders. Our kit comes with high quality AN o-ring fittings and AN hose connections with braided hose to ensure a leak free installation.

Fleece Performance part number:  FPE-CLNTBYPS-CUMMINS-MAN


From Cummins Cummins

Includes thermostat only, with seal ring.

Cummins: 5292744

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Another product from Fleece Performance built out of necessity is the 2003-2007 Cummins Automatic Trans Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When the horsepower is increased there is an increased demand on the cooling system. The rear cylinders suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the system, especially the rear of the block and possibly blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. We’ve designed our coolant bypass kit with a secondary thermostat, that unlike other brands, works based on temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders. Our kit comes with high quality AN o-ring fittings and AN hose connections with braided hose to ensure a leak free installation.

The ’03-’07 5.9L automatic transmission version will eliminate the factory transmission fluid heat exchanger. The heat exchanger is not a fluid cooler; it was designed for use in cold climates to warm the transmission fluid with the engine coolant. It is not necessary for use in warm climates or high horsepower applications, nor does it detrimentally affect the trucks performance when removed. 


Sinister Coolant Filter System Coolant Filter Kit is a bypass-style system that filters a small amount of the coolant on each pass. By using a spin on...


From Cummins Cummins

2003-2007 Dodge 5.9L Cummins Diesel Water Pump

New, no core charge!

Get the real deal, not some cheap parts store pump!

Cummins part number 2881805


Another product from Fleece Performance built out of necessity is the 2003-2007 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When the horsepower is increased there is an increased demand on the cooling system. The rear cylinders suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the system, especially the rear of the block and possibly blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. We’ve designed our coolant bypass kit with a secondary thermostat, that unlike other brands, works based on temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders. Our kit comes with high quality AN o-ring fittings and AN hose connections with braided hose to ensure a leak free installation.

Fleece Performance part number:  FPE-CLNTBYPS-CUMMINS-MAN


From XDP Diesel XDP Diesel

The XDP X-TRA Cool Direct-Fit Replacement Radiator XD296 is the perfect replacement for the old leaking radiator in your 2003-2009 Dodge 5.9L/6.7L Cummins....

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From Mishimoto Mishimoto

The Mishimoto Dodge Ram 5.9L/6.7L Cummins coolant hose kit is the perfect upgrade for the factory rubber hoses. Mishimoto silicone hoses are crafted from a...


From Mopar Mopar

For 03-09 Dodge 2500/3500 Ram Trucks. This is stock OEM radiator. Picture for representation only.  Oversize shipping charge applies. NO...


Works on 03-09 Dodge 2500/3500 trucks. Murray stock radiator. NO CORE CHARGE! Murray part number: 433851

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