03-18 Dodge 5.9L 6.7L Cummins Rocker Box Bolt Set
$45.91
- Part Number: 2x3900678/5x3903096
- Est. Ship Time: Usually Ships in 1-3 Business Days

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Starting From $187.56
Cummins rocker box bolt set for 03-18 5.9L and 6.7L Cummins applications
Includes
- 3900678 (2)
- 3903096 (5)
Cummins: 2x3900678/5x3903096

Item #5 in the picture. Fits 5.9L or 6.7L Cummins.
Cummins: 3963379..
$35.47
Anodized aluminum 3/8" quick connect to -8AN male adapter fitting. Fits 2003-2018 Dodge Ram with Cummins OE sending unit sending unit output to a..
$17.99
Hex Nut for CP3 Injection Pump Drive Shaft found on the 2003-2018 Dodge Ram 5.9L & 6.7L Cummins Diesels.
Bosch: 2915030057..
$6.91
Breather hoses mount to breather assembly on the valve cover. Fits 2006-2009 Dodge 5.9L/6.7L Common rail Cummins engines.
Select which line combina..
$44.32
Valve Cover Bolts with O-Rings. 6 Bolts, 6 O-Rings
Fits 2003-2004 common rail engines. If your 2004 has LARGE GROMMETS in the valve cover around the ..
$39.21
Crankcase breather vent tube. Fits 2003-2005 Dodge 5.9L Common rail engines.For small hose please see part: 5265106Part Number:5265108..
$45.57
Rocker Box for 5.9L Cummins Diesels 2003-2005.
Includes item #17 only.
Cummins part number: 3955121..
$545.86
Item #6 in second picture.
3 needed, only one included.
Cummins: 3966805
Replaces Mopar part number 5139865AA...
$108.68
Cummins 24v Engine Lift Bracket, made to go in the rocker box holes to make lifting a fully dressed engine easy or just pulling a head for a head gask..
Starting From $90.00
Using this lower connecting rod bearing directly from Cummins will retain factory fit and function. This is an OE replacement and installs directly in..
$34.57
First generation (1989-1993 Dodge 5.9L VE Cummins) mechanical fuel lift pump.
Lift pump only. Don't forget to get gaskets! This pump supplies 3-5PSI ..
$187.56
Cummins part numbers:
Thermostat: 3928499
Seal: 3925466
Seal: 3927305 ..
$91.26
Includes thermostat only, with seal ring.
Image for reference only.
Cummins part number: 5292742..
$65.11
Genuine Cummins 5.9L Engine overhaul kit includes:
Pistons
Bushing clips
Upper engine gasket set
Lower engine gasket set
Rod bearings
..
$3,531.23
2003-2005 Dodge 5.9L Cummins Valve Cover
This valve cover DOES NOT have CCV breathers.
May fit other applications including some 6.7L Cummins QS..
$291.70
Cummins front crank main seal. Includes seal driver installation ring.
Cummins 3804899..
$84.65
Includes head gasket only. (Thick, dual hole gasket)
Cummins: 3958645..
$273.06
Includes head gasket only. (Thin, single hole gasket)
Cummins: 3958644..
$258.00
Using this upper connecting rod bearing directly from Cummins will retain factory fit and function. This is an OE replacement and installs directly in..
$31.87
Options for standard/upgraded parts are available above
Genuine Cummins 5.9L Engine overhaul kit includes:
Pistons w/Rings
Bushing clip..
$6,133.38
Direct fit OEM cummins rocker box for 05-18 Dodge 5.9L And 6.7L Cummins applications
Cummins: 3974981..
$319.44
06-24 Ram Cummins valve cover bolt rubber seal isolator, washer.6 seals required for installation.Part Number: 3973853..
$17.61
6.7L Cummins Turbocharger VGT Actuator Harness Adapter allows the use of a 13-18 turbo actuator to be used on 07.5-12 Cummins trucks.Cummins: 534..
$66.14
6.7L Cummins QSB style piston. Single piston. Quantity six(6) are required for entire set.Comes with rings. Part Number: 4376353..
$391.81
Mahle standard size piston for 03-04 Dodge 5.9L Cummins
Does NOT include rings, piston only
Sold as a set only. Priced per piece.
Mahle ..
$229.13
Using this lower connecting rod bearing directly from Cummins will retain factory fit and function. This is an OE replacement and installs directly in..
$34.57
Mahle standard bore piston for 04.5-07 5.9L Cummins. DOES NOT include RingsSold as a set only. Priced per piece.Mahle Part Number: 224-3673..
$77.65
Mahle h series main bearing set (standard) for 89-17 5.9L & 6.7L Cummins engines. H series bearings were originally developed for nascar type raci..
$211.41
Backordered with No ETA (Updated on 6/3/2025)
Mahle h series main bearing set (standard) for 89-17 5.9L & 6.7L Cummins engines. H ..
$174.77
89-17 Dodge Ram 5.9L + 6.7L Cummins Interstate McBee Main Bearing Set (.10)Features:
Meets or exceeds original specificationsMade from high quality m..
$54.69
89-17 Dodge Ram 5.9L + 6.7L Cummins Interstate McBee Main Bearing Set (.30)Features:
Meets or exceeds original specificationsMade from high quality m..
$48.74
Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 24 Valve 5.9L together whether you're building a tow rig, race truck o..
$229.99
Clean up the engine bay of your 1998.5-2024 Cummins with this Billet Aluminum Black Anodized Oil Fill Cap from WCFab. This is a complete cap, not a co..
$57.23
Clean up the engine bay of your 1998.5-2024 Cummins with this Billet Aluminum Clear Anodized Oil Fill Cap from WCFab. This is a complete cap, not a co..
$57.23
If you are wanting to keep your 5.9L or 6.7L Cummins on the road for the long haul, you need to replace your head bolts with upgraded head studs. ..
$399.99
Clean up the engine bay of your 1998.5-2024 5.9L or 6.7L Cummins truck with this black anodized billet aluminum brake reservoir cap from WCFab. This i..
$34.92
This PAI 03-04 (305 HP) Cummins 24 Valve Engine Kit is made up of OE quality components and comes with a 2-year warranty from the manufacturer. It has..
Starting From $1,665.30
Please Note in the Comment Box if you are alright with switching to Interstate Mcbee or if you would like to wait.
CUMMINS COMMON-RAIL ENGINE OVER-..
$1,831.95
Genuine Cummins 5.9L Engine overhaul kit includes:
Pistons
Bushing clips
Upper engine gasket set
Lower engine gasket set
Rod bearings
..
$3,531.23