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Cooling System Components

Pure Diesel Power offers a complete line of parts for the Cummins cooling system, including thermostats, billet bolt in freeze plugs for the block, electric water pumps, coolant filter bypass kits, high performance radiators, coolant hose kits, billet coolant y-pipes, coolant pressure regulators, thermostat housings, coolant catch cans, fans by Flex A Lite and Derale, and more!

Don't see what you're looking for? Call us at 715-254-1833, email us, or use our live chat option! We specialize in finding hard to find, obscure parts. 

Brand: BD Power Part Number: 1040023
The coolant pressure inside the engine block can reach 70+psi at high rpm before the thermostat fully opens. This will cause a corroded frost plug to leak. The BD rear frost plug is able to be seal the leak without the need to hammer out the old frost plug. We recommend installing the rear frost plu..
$56.95

Brand: Full Send Diesel Part Number: FSD-18-B
Looking to replace your leaking heater hoses? Or would like to just get rid of those ugly rusty hardlines? Here at Full Send Diesel we have the solution. This is our heater hose kit. This kit, Like all of our other kits are made from the highest quality An fittings and hose. Backed by our lifetime w..
$262.99

Brand: Full Send Diesel Part Number: FSD-9409CU-CLNTTNK-KT
This is Full Send Diesels DIY remote coolant tank kit for 1994-2009 Dodge Cummins. This kit includes an aluminum coolant tank with a billet cap and all of the hose and fittings you may need to plump it into your cooling system. This becomes necessary when you need more room for turbos or would simpl..
$349.99

Brand: Full Send Diesel Part Number: FSD-14-B
**Backordered - no ETA**Is your top heater hose leaking? Don't worry Full Send Diesel has the solution. This is our AN braided top heater hose kit. This kit replaces your  heater hose from the firewall to the top of the head. This kit is made from the best of the best AN fittings and hose like ..
$114.99

Brand: Full Send Diesel Part Number: FSD-02-B
Looking to replace your leaking heater hoses? Or would like to just get rid of those ugly rusty hardlines? Here at Full Send Diesel we have the solution. This is our heater hose kit. This kit, Like all of our other kits are made from the highest quality An fittings and hose. Backed by our lifetime w..
$262.99

Part Number: FSD-02-B
Looking to replace your leaking heater hoses? Or would like to just get rid of those ugly rusty hardlines? Here at Full Send Diesel we have the solution. This is our heater hose kit. This kit, Like all of our other kits are made from the highest quality An fittings and hose. Backed by our lifetime w..
$262.99

Brand: Full Send Diesel Part Number: FSD-01-B
Looking to replace your leaking heater hoses? Or would like to just get rid of those ugly rusty hardlines? Here at Full Send Diesel we have the solution. This is our heater hose kit. This kit, Like all of our other kits are made from the highest quality An fittings and hose. Backed by our lifetime w..
$262.99

Brand: Keating Machine Part Number: 010611-1v2
Fits 1989 to 2002 5.9L Cummins engine block. Billet side freeze plug features recess for bolt head, includes o-ring freeze plug seal and copper sealing washer with Stainless Steel cap head Allen bolt.Keating Machine Part Number:  010611-1v2..
$29.95

Brand: Pure Diesel Power Part Number: PDPYPIPE
This is our solution to the OEM plastic or other companies' y-pipes on 13+ Rams with the dual radiators. The upper plastic coolant y-pipe is notorious for cracking and spraying coolant all over your engine bay. You can be reassured that our y-pipe has NO fail points because it has no welds. Fits onl..
$129.00

Brand: Black Market Performance Part Number: BMPYPIPE
This item is no longer available due to limitations in availability. However, we have another product available that is the same as this here. Finally a solution for the plastic Y on 13+ Rams with dual radiators. The plastic Y is notorious for cracking and spraying coolant all over your engine bay...
$0.00

Brand: Cummins Part Number: 3928499KIT
Cummins part numbers: Thermostat: 3928499Seal: 3925466Seal: 3927305 ..
$66.45 $69.95

Part Number: BD35-12
These are original equipment quality, NSK bearings. Just because they are over half the cost of the Cummins bearings does not mean they are second standard. Fits - 1989 to 2015 2500 and 3500 Dodge Ram with 5.9L, 6.7L & 4BT Cummins diesel engines. This is a common fail point on the fan assembly. It..
$46.53

Brand: Cummins Part Number: 5292744
Includes thermostat only, with seal ring. Cummins: 5292744..
$50.81

Brand: Cummins Part Number: 3925466/3927305
Thermostat orings only. Cummins part numbers:Inner Seal: 3925466Outer Seal: 3927305 ..
$12.00

Brand: Cummins Part Number: 5473238
1989-2002 Dodge 5.9L Cummins Diesel Water Pump New, no core charge! Get the real deal, not some cheap parts store pump! Cummins part number 5473238 (supercedes 3286278).  Does include O-ring.  ..
$201.50

Brand: Cummins Part Number: 5292712
Cummins OEM 190° Thermostat.   Cummins Part Number: 5292712..
$48.55

Brand: Position 1 Performance Part Number: PE-FTK
The thread-in Cylinder Head Freeze Plug Kit for your Dodge Cummins is designed to reduce the chance of "blowing out" the factory freeze plug. It also prevents unwanted coolant leakage into engine valve train areas that is an issue found in high performance engine applications. Also known as a thread..
$169.00

Brand: Cummins Part Number: 5292742
Includes thermostat only, with seal ring. Image for reference only. Cummins part number: 5292742..
$47.68

Part Number: 89025.9LFreezePlug
Solve that pesky rear freeze plug problem once & for all! Includes plate that bolts on the back of the block, along with mounting hardware. Plug is not included.Rear core plug plate is for use on 89-02 block for high performance applications.  Picture for representation only. Plate will come anodi..
$50.95

Brand: Cummins Part Number: 5473238
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 5473238 (Replaces 2881805)  Does include O-ring...
$196.00

Brand: Industrial Injection Part Number: PDM-0820x
12 & 24V VALVE FREEZE PLUG BACK PLATE This freeze plug plate is available in 2 varieties:Stock plug retainer- When installed properly, this plate will prevent the rear freeze plug (still installed in engine) from being blown out. This plug does not come with an o-ring and one is not needed. Blown..
$62.94

Brand: Fleece Performance Part Number: FPE-CLNTBYPS-CUMMINS-6.7
Another product from Fleece Performance built out of necessity is the 2007 and up 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 ..
$359.00

Brand: Fleece Performance Part Number: FPE-CLNTBYPS-CUMMINS-12V
Another product from Fleece Performance built out of necessity is the 19945-2002 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 s..
$359.00

Brand: CSF Radiators Part Number: 3273
The CSF OEM Replacement Radiator is manufactured from the highest quality components to provide you with the best aftermarket OE replacement radiator available for your 1994-2002 Dodge 5.9L Cummins. CSF is an ISO certified cooling system manufacturer with many OEM customers around the world. CSF is ..
$155.71

Brand: T/Rex Technology Part Number: REXFRZPLUG
BACKORDERED NO ETA (UPDATED 04/22/2021)Features:Replaces Side & Front Freeze Plugs Nice Finish Includes Hardware ..
$100.00

Part Number: DA2251300
1989-2007 Dodge 5.9L Cummins Diesel Water Pump Replaces part numbers: 3903749, 3913432, 3802358, 3802970, 3286277, 3802004 New, no core charge! 1 Year Warranty  ..
$99.00

Part Number: FPLUGwbar
We have the solution for blowing freeze plugs! We now offer billet Aluminum freeze plugs with bar. The bar gets inserted into the coolant passage and allows you to tighten the freeze plug in place.This ensures that the freeze plug WILL NOT blow out under high rpms when coolant pressure is elevated...
$39.95

Brand: Cummins Part Number: 3946849
Cummins OEM 190° Thermostat.   Cummins Part Number: 3946849..
$49.00

Brand: Cummins Part Number: 3802968
Cummins 180° Thermostat Kit part number 3802968. PLEASE READ AND UNDERSTAND BULLETIN BEFORE PURCHASING Thermostat Technical Service Bulletin - pdf download..
$48.45

Brand: Mishimoto Part Number: MMRAD-RAM-94
Mishimoto has released a direct-fit performance aluminum radiator for the 1994-2002 Dodge 5.9L Cummins. A high-performance truck needs a cooling system that can keep up with the constant abuse of towing, hauling, and runs on the drag strip. Mishimoto radiators feature a brazed aluminum core with TIG..
$731.95

Part Number: GOS-BILFANHUB
  2003-CURRENT DODGE CUMMINS OWNERS - Due to the frequent problems with the OEM electronic fan clutch, you may be interested in switching to a good mechanical clutch solution. This adapter and the associated parts will deliver the reliable cooling solution you are looking for. Check the list below ..
$205.00

Brand: Keating Machine Part Number: 122910-5
Fits: All B series Cummins 12V, 24V, and 4BT 5.9L and 6.7L common rail engine blocks. Billet front freeze plug features o-ring seal. Will work when using the stock fan. Held in by the stock fan pulley mount...
$29.95

Brand: Cummins Part Number: REARCOOLFLOW
This kit involves removing the rear freeze plug from the block and bolting a plate over it (shown in picture) and running a 5/8 ID coolant hose to the heater core return line.Install the rear plate(8) marked & o ring(9) in the diagram, then using heater hose, plumb the hose into the heater ..
$115.20 $128.00

Brand: Cummins Part Number: 3954829
Factory replacement Thermostat Housing Seal Fits all 2003 to 2018 5.9L & 6.7L Cummins. Cummins part number: 3954829..
$4.76

Brand: Cummins Part Number: 2881804
Brand New Cummins Water Pump. For 6.7L Cummins Diesels years 2007.5 to 2012. New, no core charge! Includes O-Ring for installation.Get the real deal, not some cheap parts store pump! Cummins:  5473238  Does include O-ring...
$201.25

Part Number: ElectricWaterPump
89+ Dodge Ram 5.9L/6.7L Cummins Diesel Electric Water Pump-Recommended for competition use only- Stop blowing freeze plugs due to excessive coolant pressure! Allows you to continue circulating coolant after engine shutdown. The belt part number you need to use with NO AC is Gates K080537, or you ..
$315.00

Brand: Cummins Part Number: 3906698
This is number 2 in image only. Will work for 5.9L or 6.7L Cummins water pump. Cummins part number: 3906698..
$8.97

Brand: Fleece Performance Part Number: FPE-CLNTBYPS-CUMMINS-VP
Another product from Fleece Performance built out of necessity is the 1998.5-2002 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 ..
$376.95

Brand: Flex-a-Lite Part Number: 103961
**Backordered - no ETA, updated 07/19/2021**YOU'RE ABOUT 4 HOURS AWAY FROM BETTER PERFORMANCE Recover 27HP and boost your fuel mileage by 6% just by eliminating your stock clutch fan assemblyDual 15" S-blades move 5500 CFM! Includes new Variable Speed Control (60% to 100% depending on cooling ..
$639.95

Brand: Cummins Part Number: 3922072
Includes one(1) of number 8 in second image only.These are the large plugs that fit in the front or side of the block.  Cummins part number: 3922072..
$6.17

Part Number: 1224CLBYPASSKT
  *Please call for availiblity before ordering. (updated 02/18/2020) Water Pressure Relief System/By-Pass Kit   Remove expansion plug from rear of block just below the cylinder head.  Clean surface and install plate.  Plumb 5/8” heater hose from plate to water pressure regulator “IN” port. Deter..
$210.00

Brand: Cummins Part Number: 3924755
94-98 Dodge Ram 5.9L Cummins Thermostat Housing to Head Crossover Hose Includes #5 in picture only...
$26.77

Brand: Sinister Diesel Part Number: SD-COOLFIL-5.9-03-X
Sinister Coolant Filter SystemCoolant Filter Kit is a bypass-style system that filters a small amount of the coolant on each pass. By using a spin on filter we make it easy for you to change your coolant filter at regular intervals. These filters will remove all solid particles. Install a 5.9 Cummin..
$173.00

Brand: Fleece Performance Part Number: FPE-CLNTBYPS-CUMMINS
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 r..
$359.00

Brand: DieselSite Part Number: CFIKD
Coolant filters are not a new idea to the diesel engine world. They come in most OEM applications for medium duty and OTR tractor trailer rigs. The idea was somehow tossed aside for light duty applications, most likely due to cost. For our light duty trucks it is a very important issue that needed t..
$129.00

Brand: Cummins Part Number: 5521882
Please Call for Availability. Item in High Demand. Cummins direct revised water pump replacement. This is the latest and greatest revision of the water pump, it's not the old style spontaneous combustion style pump. For 2013 and up 6.7L Cummins diesel trucks. Includes sealing o-ring. The image do..
$53.67

Brand: Mishimoto Part Number: MMRAD-RAM-03
Mishimoto has developed a performance aluminum radiator for the Dodge 5.9L/6.7L Cummins Engine. The Mishimoto performance aluminum radiator for the Dodge Ram is the ideal upgrade for the factory radiator. It was designed and engineered to maximize cooling efficiency, boost engine functions, and prot..
$826.95

Brand: Fleece Performance Part Number: FPE-CLNTBYPS-CUMMINS-MAN
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 su..
$486.25

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