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Internal Engine Parts

Internal engine parts for your 1994-1998 Dodge 5.9L Cummins.

We have Mahle pistons, rocker arm studs from Greg Hogue Motorsports, cam gears from Cummins and much more.

Brand: D&J Precision Machine Part Number: 12vstg1
Product DescriptionOur Stage 1 12v Cummins Performance Head is a step up in performance without the extra expense and work involved with an aftermarket intake. Our Stage 1 Cummins Performance Head includes everything in our Performance Cummins Reman Head along with HD valve sprin..
$2,317.50

Brand: D&J Precision Machine Part Number: DJ-BR-CM1
Proven over 3000hp and 4000tq, we design  our X-BEAM Billet Cummins Rods with our unique “X” profile. This maximizes the strength while reducing weight as much as possible. Our billet rods are made from extreme high impact tool steel. So, this material is specially designed to take the shock lo..
$3,393.85

Brand: D&J Precision Machine Part Number: DJ-BR-CMSTD
Proven over 3000hp and 4000tq, we design our X-BEAM Billet Cummins Rods with our unique “X” profile to maximize the strength while reducing weight. Our billet rods are made from extreme high impact tool steel. This material is specially designed to take the shock loads and constant beating of high-p..
$3,084.75

Brand: Wagler Competition Products Part Number: CRD5.9/6.7+0.080
WCP proudly presents their updated heavy duty Cummins connecting rods. These competitively priced connecting rods feature the benefits below –• 100% Made in the USA• Forged by Trenton Forging in Trenton, MI 48183• Forging made from 4340ACQ certified material• All drafting, design, programming, machi..
$3,192.99

Brand: Wagler Competition Products Part Number: CRD5.9/6.7+1.00
WCP proudly presents their updated heavy duty Cummins connecting rods. These competitively priced connecting rods feature the benefits below –• 100% Made in the USA• Forged by Trenton Forging in Trenton, MI 48183• Forging made from 4340ACQ certified material• All drafting, design, programming, machi..
$3,192.99

Brand: Wagler Competition Products Part Number: CRD5.9/6.7
WCP proudly presents their updated heavy duty Cummins connecting rods. These competitively priced connecting rods feature the benefits below –• 100% Made in the USA• Forged by Trenton Forging in Trenton, MI 48183• Forging made from 4340ACQ certified material• All drafting, design, programming, machi..
$3,060.74

89+ 5.9L & 6.7L Cummins Wagler Street Fighter Connecting Rods
New PDP Pick
Brand: Wagler Competition Products Part Number: CRD5.9/6.7ST
The affordable Wagler Street Fighter Series Cummins 5.9/6.7L connecting rods are the perfect solution for a hot street truck making 1,500 HP or less. The as-forged manufacturing process allows for the strength of forging, yet keeps the cost down by reducing the amount of machining compared to the Co..
$1,850.00

89-98 5.9L 12 Valve Cummins Valve Spring Compressor
-12 %
Brand: ETSI Inc Part Number: 12VCSCT20
Compress two valve springs at one time with this valve spring compressor for Cummins 12-valve engines This is a great tool to use to get to cylinders 5 and 6 which are difficult to access because of the cowl. It is only one inch taller than the valve springs which leaves plenty of room to work ..
$39.99 $45.69

89-98 5.9L 12 VALVE CUMMINS VALVE SPRING COMPRESSOR FOR HAISLEY / COMPETITION
-12 %
Brand: ETSI Inc Part Number: 12VCSCT30
Compress two valve springs at one time with this valve spring compressor for Cummins 12-valve engines Made for Haisley titanium retainers or similar competition valvetrain setups This is a great tool to use to get to cylinders 5 and 6 which are difficult to access because of the ..
$39.99 $45.69

89-98 5.9L 12 VALVE CUMMINS VALVE SPRING COMPRESSOR FOR HAMILTON
-12 %
Brand: ETSI Inc Part Number: 12VCSCT40
Compress two valve springs at one time with this valve spring compressor for Cummins 12-valve enginesMade for Hamilton springs and retainers  This is a great tool to use to get to cylinders 5 and 6 which are difficult to access because of the cowl. It is only one inch taller than the valve..
$39.99 $45.69

Complete HD 12v Valve Spring Kit – Springs, Retainers & Locks
-10 %
Brand: Manton Part Number: D-105-Kit-12V
Heavy Duty 12v Conical Springs, Billet Retainers & Lock Kit For the 1989-98 12v 5.9L engines. Spring Specs:170lb seat pressure at 1.940 installed height / 375lbs. at 1.275 open heightCoil binds 1.225Designed for up-to 6,500rpmsafe for daily driving & race capable If your ..
$405.00 $450.00

MANTON 7/16" DIAMETER SERIES 5 PUSHRODS (SET OF 12) 89-98 5.9L DODGE CUMMINS 12 VALVE
-20 %
Brand: Manton Part Number: D-504-12v
The factory pushrods in your Cummins are designed for factory power and boost levels. As power increases, safeguard your engine with upgraded pushrods. And if you're rebuilding your engine, no time like the present for a big upgrade with a set of Manton Pushrods. These are a stock length pushrod so ..
$280.00 $350.00

Brand: Cummins Part Number: 4089742
Cummins OEM Vacuum Pump Seal Kit For Your 1991.5-2002 Dodge Ram 2500/3500 Cummins Turbo Diesel This kit includes everything needed to reseal that pesky oil leak from your vacuum pump. Cummins: 4089742..
$18.00

Brand: Cummins Part Number: 4939587
5.9L 24 Valve Cummins 6BT Oil Pump This pump will bolt right into a 12 valve truck and is a higher volume pump than the stock 12 valve pump, providing better lubrication and oil pressure. A must for high performance competition engines! Fits:98-02 Dodge 5.9L 24 Valve/24V Cummins Diesels Cummins ..
$121.00

Part Number: 12VOHKIT
5.9L Cummins Overhaul/Rebuild kit featuring Mahle Pistons.Please allow up to 2-3 business days before your kit ships. Fly cut pistons will add 1-2 weeks to delivery time. Coated Pistons will add approx 2 weeks to the delivery time.These kits ship in MULTIPLE packages when they come.  No returns on ..
$889.00 $939.00

Brand: Cummins Part Number: 3903924&3913994
Replacement plastic timing pin with sealing o-ring. Choose option above if you would like the retainer ring included. (part number 3904849) Cummins:  3903924 & 3913994..
$13.00

Brand: Contagious Diesel Performance Part Number: CON8998CTLP
Did you break off the stock "nipple" on your stock plastic timing pin? Time to fish that chunk of plastic out of the back of the cam gear and replace it with this billet cam gear lock pin. The o-ring is included. Does NOT include the timing pin housing shown in one of the pictures. Don't forget to..
$35.00

Part Number: OHCHR618N
1988-1998 Dodge Ram 5.9L Cummins 6B 12 Valve Diesel Fully Loaded Cylinder HeadBy: Promaxx PerformanceDue to some quality inconsistencies we HIGHLY recommend that at a bare minimum you have the surface of these heads checked for flatness and the valve job checked before installation. Other places wil..
$649.00

89-07 Dodge 5.9L Cummins Mahle Piston Ring Set (1 Piston)
Hot -11 %
Brand: Mahle Part Number: S42170
Mahle Piston for Common Rail 'Cummins B series 3.9/5.9L Mahle Piston Rings Set (Premium Chrome/Ceramic Top Ring Upgrade)Three Piston Bore Size upgrade to choose from, stock bore,  +.040″/1.0mm Bore and +.020″/.50mm Bore. These rings will fit stock or Mahle aftermarket cast pistons. Image my not b..
$30.57 $34.18

Brand: Contagious Diesel Performance Part Number: CON8902OILSQU
Sick of snapping off the cheap plastic OE oil squirters?  Try these heavy duty BILLET oil squirters from Contagious diesel. Guaranteed to add AT LEAST -15hp per squirter (just kidding) But seriously, you need these. *NOTE: Please use a brass punch or softer tool to install to prevent mushrooming ..
$50.00

Brand: Cummins Part Number: 3958017
94-98 12 Valve Cummins "Killer" Dowel Pin Tab AKA KDP tabCummins: 3958017..
$4.00

Brand: Mahle Part Number: MS-2328P
1989-2017 5.9L Cummins Clevite Standard Main Bearings, These come in a complete set. Mahle part number: MS-2328P These bearings are now available COATED by Polydyn. Select option above. Coating generally takes 3-5 business days, please keep this in mind if you are in a hurry. You can expect 2-3 bu..
$62.21

89-02 Dodge 12/24V Clevite Cummins Rod Bearing Set
-13 %
Brand: Mahle Part Number: 6x CB-1413P
Clevite Cummins Rod Bearings 12/24V (6 Pair) Standard Part number: CB-1413P **These will not work with ’03-Up connecting rods that are the “fractured cap style”**-Use # CB-1873AP series for common-rail connecting rods. These bearings are now available COATED by Polydyn. Select option above. Coati..
$65.00 $74.46

Hamilton Diesel 5.9L 12 Valve Cummins HD Springs & Billet Retainers/Keepers
-25 %
Brand: Hamilton Cams Part Number: 07-s-001
Hamilton Diesel's 12 valve springs were designed to fix many of the problems in the 12v valvetrain. Factory and “60lb” springs do not have enough spring pressure to adequately control the valvetrain in all conditions. In fact at 1.4” they have exactly the same pressure as factory springs!.  Tru..
$375.00 $499.00

Part Number: 3911423EPE
Machined Rocker Arm Pedestal Support/Stand Set (Milled for ARP Studs), 6BT 5.9L 12V Dodge Cummins    SOLD IN SETS OF 6 ONLY Use With ARP 247-4203 & 247-4205 Studs. Part number: 3911423EPE..
$319.95

Part Number: HMR VSR12
Call for Availability   BILLET/TITANIUM VALVE SPRING RETAINERS & HARDENED KEEPERS Dodge 1989-1998 5.9L 12 Valve Cummins We highly recommend the use of titanium valve spring retainers & hardened keepers when exceeding 3500RPM with your 12 Valve Cummins, especially those with HD valve springs.Reta..
$360.00

Brand: Cummins Part Number: 59FPGAC
Includes Cummins part numbers: 1x 3903463 Cover1x 3903475 Rectangular Seal Also known as:Oil filler plug eliminator on timing cover..
$23.00

Brand: Mahle Part Number: 224-3523-TAPERED
These Pistons Are "Marine Style Bowls" vs The Stock Bowl (on the left).  Other Styles Are Available, If desired, Please Call For Pricing And Application.Top of piston is tapered by machine shop to prevent sticking in bore. This is the same piston used in 1989-1991 non-intercooled Cummins trucks (N..
$115.00

Brand: Cummins Part Number: 3902343x2
89-02 Dodge 5.9L Cummins Cylinder Head Alignment Dowel PAIR. These help locate the cylinder head on the block. Pair of 2, these insert into the block.Includes 2x Cummins: 3902343..
$25.00

Brand: Haisley Machine Part Number: HMR CTP
Dodge 5.9L Cummins Diesel Bronze Cam Thrust Plate, also known as a cam retainer (not cam GEAR retainer though)For 89+ 3.9L/5.9L/6.7L Cummins Blocks.Made of a bronze alloy. Specially designed for the RPM's of todays high performance Cummins engine. Upon installation, the 3 Oil Grooves face the block..
$65.00

Brand: Industrial Injection Part Number: 24G801
This is a complete valve spring kit for your 12 valve from Industrial Injection.  150 lbs. of seat pressure and are designed for engines producing less than 4500 RPM.Comes with both Intake and Exhaust Valve SpringsIndustrial Injection part number: DP12V.1New Part#: 24G801..
$135.00 $140.00

Brand: Cummins Part Number: 3936365
Cummins Oil Pressure Regulator Valve. For all 5.9L & 6.7L Cummins engines 1989 and up. This part replaces part numbers 3902238 & 3927622. Cummins part number: 3936365..
$14.00

Brand: BD Power Part Number: 1040182
94-98 Dodge 12 Valve 5.9L Cummins DieselKiller Dowel Pin Repair Kit (KDP) Includes:Crank SealDowel PinDowel Pin TabTiming cover gasket BD Part Number: 1040182 Other items may need to be replaced, and this kit may not be a cure-all if the pin has already fallen, it will however prevent the pin fro..
$173.00 $182.55

89-98 Dodge 5.9L Cummins Diesel Hamilton Heavy Duty Push Rods
-25 %
Brand: Hamilton Cams Part Number: 07-P-001
1989-1998 12 Valve Cummins 5.9L Heavy Duty stock to 750hp The pushrod is a very important and often overlooked component in any high horsepower build. It doesn't have to do a much, just transmit lift from the lifter to the rocker arm, and bend or deflect as little as possible. Reducing mass in an en..
$186.83 $250.00

Brand: Cummins Part Number: 4955853
1989-2018 Dodge 5.9L & 6.7L Cummins Diesel Main Bearings, Set Cummins: 4955853 PICTURE FOR REPRESENTATION ONLY! These bearings are now available COATED by Polydyn. Select option above. Coating generally takes 3-5 business days, please keep this in mind if you are in a hurry. You can expect 2-3 bu..
$182.00 $199.49

Brand: Cummins Part Number: 3900257
94-98 12 Valve Cummins Gear Housing Dowel Pin This can be used in place of the infamous "killer dowel pin". We still recommend a retainer tab to avoid future issues.Cummins: 3900257   ..
$10.00

94-02 Dodge 5.9L 12 & 24 Valve Cummins Oil Pickup Tube
-10 %
Brand: Cummins Part Number: 3928455
Includes only item number 5 in the picture. Cummins:  3928455..
$247.50 $274.99

Brand: Cummins Part Number: 3957544
Cummins: 3957544 Picture for representation ONLY...
$247.00

89-98 Dodge 5.9L 12 Valve Cummins Billet Chromoly HD Pushrods
-17 %
Brand: Pure Diesel Power Part Number: PDPPUSHRODS12
Heavy duty 4340 Chromoly pushrods with billet ends. A must for high-rpm, high hp engines!Standard length...
$249.00 $299.00

Brand: Mahle Part Number: 6x CB-1413H
Clevite H Series (hardened series) Rod Bearings 12/24V (6 Pair) Part number: CB-1413H**These will not work with ’03-Up connecting rods that are the “fractured cap style”**-Use # CB-1873AP series for common-rail connecting rods...
$126.24 $137.28

Brand: PacBrake Part Number: PB-C14010
6-60lb Intake or Exhaust Valve Springs 94-98 12 Valve Dodge 5.9L CumminsCan be used on the intake side or the exhaust side. The seat pressure on these springs is ~150lbs at the installed height of 1.950.At 400 lift, the spring pressure is ~192-195lbs. At 500 lift, the spring pressure is ~210lbs...
$80.18

Brand: Cummins Part Number: 6x 4937308
Set of 6 piston oil squirters. Also known as piston oil cooling nozzles. Cummins: 4937308..
$201.00 $215.00

89-98 Dodge 5.9L Cummins Diesel Hamilton Extreme Duty Push Rods
-36 %
Brand: Hamilton Cams Part Number: 07-P-002
1989-1998 12 Valve Cummins 5.9L Extreme duty 750hp and over The pushrod is a very important and often overlooked component in any high horsepower build. It doesn't have to do a much, just transmit lift from the lifter to the rocker arm, and bend or deflect as little as possible. Reducing mass in an ..
$224.51 $349.00

89-02 Dodge 5.9L Cummins Diesel Hamilton Cam Gear Retainer
-13 %
Brand: Hamilton Cams Part Number: 07-C-002
Dodge 5.9L Cummins Diesel Hamilton Cam Gear Retainer A must for trucks running 13mm pumps also recommended for trucks running high hp with 12mm pumps. Prevents the cam gear from "walking" off the cam. This retainer is for Hamilton Cams that are already PRE-DRILLED for a retainer. This comes with ..
$39.99 $45.99

Part Number: KDPKIT W/Gearcase
Killer Dowel Pin (KDP) Repair Kit '94-'98 Dodge 5.9L 12 Valve Cummins with Timing Gear Housing Includes: Front Timing Gear Housing, Gasket and Dowel, Front Crank Seal w/o Sleeve and Killer Dowel Pin Tab (straight) and Accessory Drive Gasket.Gearcase & gaskets are manufactured by Interstate Mcbee. ..
$299.99

Brand: Cummins Part Number: 3969562 x12
1989-2014 5.9L Cummins Standard Rod BearingsFits:89-02 5.9L Cummins or 89+ Cummins using MACHINED CAP "12 Valve" Style Rods.Set of 12 (enough to do one engine) Cummins part number: 3969562 replaces 3939859 These bearings are now available COATED by Polydyn. Select option above. Coating generally t..
$132.00 $145.25

5.9L 12 Valve Cummins Thin .6 mm Injector Washers Set (6)
-21 %
Brand: Cummins Part Number: 6x 3930324
5.9L 12 Valve Cummins Thin .6 mm Injector Washers Includes Quantity 6 Cummins: 3930324 Cross Reference Numbers: J930324 Image for representation only...
$19.00 $24.00

89-16 Cummins Diesel Hamilton 1.45 In Tappets
-20 %
Brand: Hamilton Cams Part Number: 07-T-001
These tappets work with all 1989-2016 Dodge Cummins engines. At 1.45" they will not have interference with the Fuel pump eccentric on 12v engines and are much wider than the 1.1" tappets used in early 12v engines. This means they have more surface area to work with our wider lobes which will promote..
$159.00 $199.00

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