-80x80.jpg)
Browse our selection of water pumps and cooling system components for 1998.5-2002 5.9L 24V Cummins engines. These high-quality parts are designed to keep your engine running cool and prevent overheating, ensuring reliable performance and long-lasting durability.
Brand: Cummins
Part Number: 5292742
Includes thermostat only, with seal ring.
Image for reference only.
Cummins part number: 5292742..
$65.11
Brand: Dorman Products
Part Number: 902-3026
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Ideal replacement - this engine coolant thermostat h..
$34.38
Brand: Dayco
Part Number: DP1000
Fits: 1989-2001 Dodge 5.9L Cummins
Replace the damaged water pump on your vehicle with the Dayco Heavy Duty Water Pump. Dayco produces quality direct-ft style replacement components that maintain factory function and performance. This Heavy Duty Water Pump Features a high-quality construction and..
$44.56
Brand: PAI Industries
Part Number: PAI-CUP141419
Oil cooler for the 1989-2002 Dodge 5.9L 12 & 24 Valve Cummins Diesels.
7 Plate Style, replaces Cummins part number 3957544
Includes gaskets. Be sure to use the correct gasket for your block model.
Part number: PAI-CUP141419..
$151.45
Brand: Dorman Products
Part Number: 620-066
The Dorman 620-066 Steel Clutch Fan Blade is a direct fit replacement for your worn-out stock fan blades. The stock fan blade is prone to failure due to cracking which can lead to overheating and engine failure. Dorman’s OE FIX repair solution combines two different radiator fan blades into on..
$122.69
Brand: XDP Mfg
Part Number: XD672
In need of a new water pump for your 89-12 5.9L or 6.7L Cummins? If so XDP has you covered. They offer many high quality replacement parts at a great value. We have utilized many of their products on customer vehicles that have come through the shop and all have been very high quality parts.
Repl..
$64.95
Brand: Cummins
Part Number: 5473238
1989-2018 Dodge 5.9L/6.7L Cummins Diesel Water PumpThis is one of many styles of the Cummins water pumps made for the various years of Cummins 5.9L & 6.7L engines. See picture, the fin style differs.
New, no core charge! Get the real deal, not some cheap parts store pump!
Cummins part nu..
$310.78
Brand: Bullet Proof Diesel
Part Number: 90201228
This is the BulletProof Water Pump for the 1989-2022 Cummins 5.9L and 6.7L. The Bullet Proof Diesel Aluminum Water Pump is designed for maximum durability. It features a metal impeller - in place of the OEM plastic impeller - a lightweight aluminum pulley, larger top of the line bearing assembl..
$399.95
Brand: Dorman Products
Part Number: 300-808
This engine cooling fan pulley bracket is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Direct replacement - this engine cooling fan pulley bracket matches the fit and function ..
$219.61
Brand: XDP Mfg
Part Number: XD461
The XDP Xtra Cool Direct-Fit Replacement Radiator XD461 is designed as a direct-fit replacement for the leaking radiator in your 1994-2002 Dodge Ram 5.9L Diesel.
This OE-style radiator design provides outstanding quality at a lower cost than a factory replacement from the local dealership. XDP Xtra..
$259.95
Brand: Full Send Diesel
Part Number: FSD-98502CU-UCT
Fits: 1998.5-2002 Dodge 5.9L Cummins
Replace your worn out, dry rotted upper radiator hose in your 2nd Gen 24 valve Cummins all while adding some flash under the hood with the Fabricated Upper Radiator Pipe Kit from Full Send Diesel. This coolant pipe is constructed of lightweight aluminum ..
$241.99
Brand: Mishimoto
Part Number: MMTS-RAM-99L
Direct fit for 1998.5–2013 Dodge Ram with 5.9L/6.7L Cummins
Activates at lower temperature (180º) so coolant flows through system earlier
Allows for cooler engine temperatures
Ideal for warm climates
Mishimoto Lifetime Warranty
A defective thermostat can result in engine overheating and poten..
$83.95
Brand: Mishimoto
Part Number: MMTS-RAM-99H
Fits: 1998.5-2013 Dodge 5.9L/6.7L Cummins
The Mishimoto High Temperature Thermostat for your 1998.5-2013 Dodge 5.9L/6.7L Cummins is an excellent option for those in colder climates. A defective thermostat can result in engine overheating and potential internal damage. Improve the reliability of y..
$86.95
Brand: Aftermarket Parts
Part Number: FPLUGwbar6.7
We have the solution for blowing freeze plugs!
We now offer 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.
These..
$49.00
Brand: Keating Machine
Part Number: (3)010611-1V2 / 122910-1P / 122910-x
Fits 1989 to 2002 Cummins 5.9L engine blocks. Kit includes 3 billet side freeze plugs, 1 rear freeze plug featuring 1/2″ npt port supplied with brass block off plug, and 1 front freeze plug. See pictures and choose between the street version of the front freeze plug that is held in by and work..
$193.35
-250x250.png "1989-2002 Dodge 5.9L Cummins Keating Billet Rear Freeze Plug")
Brand: Keating Machine
Part Number: 122910-1P
Fits 1989 to 2002 12 & 24 Valve 5.9L Cummins engine block. Billet rear freeze plug features 1/2″ npt threaded center hole with plug (can be removed to accommodate coolant bypass). Stainless bolts, o-ring and hardware to mount and seal plug is included. Helps prevent blow out at high ..
$52.50
Brand: Power Driven Diesel
Part Number: 51632196163
Billet aluminum front freeze plug to replace the stock plug on a 89-present Cummins block.Solve your blown freeze plug issues once and for all! This plug will not leak or blow out under high coolant pressure when running at higher RPM.Unique clearance pattern fits under 12/24v and CR fan mounts with..
$42.95
Brand: Cummins
Part Number: 3900687
Rebuilding your engine? We recommend replacing this plug any time you have your engine out. It installs behind the engine adapter plate over the back of the cam shaft.
Opitonal oring seal above. (Part number, 3926047)
Cummins part number: 3900687..
$10.26
Brand: Interstate-McBee
Part Number: M-3921558
Interstate McBee: M-3921558
Fits 1989-2002 Dodge 5.9L 12 & 24 Valve Cummins diesel engines.
Replaces Cummins 3957544 7 Plate Style
Picture for representation ONLY...
$105.81
-250x250.jpg "89-02 Dodge 5.9L 12 Valve/24 Valve Cummins Oil Cooler")
Brand: Diesel Auto Power
Part Number: 3921558A
This is a aftermarket stock replacement oil cooler. Fits 1994-2002 5.9L Cummins.
Part number: 3921558A
Picture for representation ONLY (but is pretty close)..
$124.00
Brand: BD Power
Part Number: 1040022
Fits: 1989-2002 Dodge 6.9L Cummins 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..
$66.95
Brand: Cummins
Part Number: 3900955
Cummins Freeze Plug for Dipstick Location. Fits 1989-2002 Cummins 12V & 24V engines.
Size = 9.5 mm
Cummins part number: 3900955
..
$10.00
Brand: Dorman Products
Part Number: 555-018
Fits: 1989-2005 Dodge 5.9L Cummins
This engine expansion plug is designed to match the fit and function of the original part on your Dodge 5.9L Cummins. Made of quality materials, it is engineered for reliable performance.
Direct replacement - this engine expansion plug matches the fi..
$9.47
Brand: Power Driven Diesel
Part Number: 51632196161
Billet aluminum side freeze plug to replace the stock plugs on a 89-07 Cummins block.
Solve your blown freeze plug issues once and for all! This plug will not leak or blow out under high coolant pressure when running at higher RPM.
Unique bolt seal design positively seals and supports the bo..
$42.95
Brand: XDP Mfg
Part Number: XD334
Make sure your side freeze plugs stay firmly mounted in your 1989-2018 Dodge 5.9L & 6.7L Cummins with the XDP Cummins Bolt-On Side Freeze Plug XD334. The bolt-on freeze plugs eliminate the risk of a blown freeze plug due to increased coolant pressure from high engine RPM, differences in cooling temp..
$39.95
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. This plug is 2.25 inches in diameter or 57.15mm
Cummins part number: 3922072..
$9.58
Brand: Aftermarket Parts
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 failure point on the fan a..
$46.53
Brand: Interstate-McBee
Part Number: M-3910739
This is a common fail point on the fan assembly. It is recommended replacing this part whenever it starts making noise. Not a hard part to replace, but needs to be pressed in.
McBee part number: M-3910739..
$66.30
Brand: Cummins
Part Number: 3910739
This is a common fail point on the fan assembly. It is recommended replacing this part whenever it starts making noise. Not a hard part to replace, but needs to be pressed in.
Cummins Part #3910739
Part #6 in image...
$224.14
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..
$7.67
Brand: Keating Machine
Part Number: 122910-5
Fits:
All 1994+ 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.
Click here for install instructions. ..
$36.00
Brand: Dayco
Part Number: 80402
Molded Coolant Hose- Oil Cooler for 94-01 Dodge 5.9L Cummins
The Dayco 90 Degree Molded Coolant Hose - Heater Outlet is designed for vehicles that require specific heater hoses with molded elbows to fit in the engine bay. The direct-fit design of this hose makes installation easy. The molded heat..
$14.88
Brand: Cummins
Part Number: 3910530
Replacement o-ring for the 94-02 Cummins Cooling Kit-Improves Coolant Flow to Cylinder #6.
Number 9 in image only.
Part number: 3910530..
$11.32
Brand: Alliant Power
Part Number: AP63467
Alliant Power Oil Cooler Repair Kit
Fits 1994-2002 Dodge 5.9L Cummins Diesel
Part number: AP63467Cummins OEM numbers 3921558, 3957544, Mopar: 4713985AB..
$281.97
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 ..
$240.59
Brand: Dayco
Part Number: 71716
Curved Lower Radiator Hose for 94-02 Dodge 5.9L Cummins
Leaky Radiator Hose? Keep all that horsepower from sweating out by replacing your lower radiator hose with an OE Style Dayco Curved Radiator Hose. Following the strictest guidelines, Dayco builds this product to meet SAE J20R4 and ..
$19.96
Brand: Dayco
Part Number: 86815
Molded Hose for 94-02 Dodge 5.9L Cummins
The Dayco Molded Heater Hose is a high-quality replacement hose designed for a direct-fit on your vehicle. This hose meets SAE J20R4 specifications and Class D-1 Requirements. Constructed from a knitted synthetic EPDM reinforced compound, this hose is high..
$7.72
Brand: Continental
Part Number: 62072
Lower radiator hose for the 94-02 Dodge 5.9L Intercooled Cummins diesel trucks.
..
$24.99
Brand: DieselSite
Part Number: WPC
Fits: 1994-2012 Dodge 5.9/6.7L Cummins
Switch out the original water pump in your 1994-2012 Dodge Ram 5.9L/6.7L Cummins with this Diesel Site WPC Water Pump. This water pump is built out of cast-iron and is a direct fit replacement piece for the OE pump. This water pump comes with a c..
$115.00
Backordered
Brand: Cummins
Part Number: 5256831
Backordered with No ETA (Updated on 6/4/2025)
Fan assembly parts.
Includes parts: 3, 4, 5, 6, 7, & 8 from image.
Cummins part number: 5256831 supercedes 3285949..
$721.16
Brand: Dayco
Part Number: 71715
Curved Upper Radiator Hose for 94-95 Dodge 5.9L Cummins
Leaky Radiator Hose? Keep all that horsepower from sweating out by replacing your upper radiator hose with an OE Style Dayco Curved Radiator Hose. Following the strictest guidelines, Dayco builds this product to meet SAE J20R4 and Class D-1 ..
$21.18
Brand: Dayco
Part Number: 80400
Molded Coolant Hose- Oil Cooler for 96-04 Dodge 5.9L Cummins
The Dayco 90 Degree Molded Coolant Hose - Oil Cooler is designed for vehicles that require specific heater hoses with molded elbows to fit in the engine bay. The direct-fit design of this hose makes installation easy. The molded heater ..
$13.19
Brand: Interstate-McBee
Part Number: MCB6BEXPKS
This is a freeze/expansion plug kit for the 4/6B Cummins engine block. This kit also includes the cylinder head/block alignment dowels as pictured.
Includes freeze plugs for the block, cylinder head alignment dowels on 89-98 3.9L & 5.9L Cummins diesel engines. ..
$16.77
Brand: Continental
Part Number: 62307
Upper radiator hose for the 98.5-02 Dodge 5.9L 24 Valve Intercooled Cummins diesel trucks.
..
$26.45
Brand: Cummins
Part Number: 3946849
Cummins OEM 190° Thermostat.
Cummins Part Number: 3946849..
$78.86
Brand: Mishimoto
Part Number: MMHOSE-RAM-98Dxx
Features:
100% silicone, heat resistant embedded fibers
Provides increased pressure tolerance
Retains OEM fitment
Available in black, blue, or red
Lifetime Warranty
Mishimoto is proud to expand their Cummins performance line to include the 1998.5–2002 5.9L Cummins Silicone C..
$319.95
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 ..
$359.00