3.9L 4BT Cummins 12mm Main Bolts, Set of 10
$81.32
- Part Number: 10x 3927948
- Est. Ship Time: Usually Ships By Next Business Day

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Starting From $187.56
Please verify whether your 4BT has 12mm or 14mm main bolts before ordering.
10x Cummins part number: 3927948

For all Encore Blocks 97.5-2002. Encore blocks have 2 oil drains and 12mm main studs from the factory.
Also fits all 03-07 5.9L Cummins & 07.5-18..
$113.84
Please verify whether your 4BT has 12mm or 14mm main bolts before ordering.
10x Cummins part number: 3927948..
$81.32
Please verify whether your 4BT has 12mm or 14mm main bolts before ordering.
10x Cummins part number: 3904217..
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Set of eight factory OEM Cummins rod bolts. For Cummins 3.9L 4BT Diesels.
Cummins part number: 3900919..
$113.03
Please verify whether your 4BT has 12mm or 14mm main bolts before ordering.
Cummins part number: 3927948We also offer these as a set of 10 or 14...
$9.89
1994-02 DODGE 5.9L REMAN VACUUM PUMP
INCLUDES
REMAN VACUUM PUMP
PUMP MOUNTING GASKET
Warranty Information:
Limited Lifetime
..
$291.81
Set of 4 Contagious Diesel 5x.011 injectors with SAC nozzles for the 4BT Dodge 3.9L 8 Valve Cummins Turbo Diesel. Small bowl only, these will not work..
$0.00
4BT Injector Return Line. Only includes number 6 from image.
Cummins part number: 3927633..
$194.21
Please allow 2-3 day lead time before item ships.
Clamps not included unless selected above. (4 clamps in package if you select the option)
Imag..
$357.20
Backordered with no ETA (Updated 11/13/2024)
This is a full workshop manual, for Cummins 4BT engines.
Cummins Manual number:
3666017 - 91 AND..
$314.12
Installing a new exhaust manifold, or simply removing a stock or aftermarket manifold to change gaskets? If so, you'll find that it is a real hassle t..
$26.99
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..
$33.50
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.
..
$21.28
Set of eight factory OEM Cummins rod bolts. For Cummins 3.9L 4BT Diesels.
Cummins part number: 3900919..
$113.03
Interstate Mcbee 4BT Cummins Overhaul Rebuild Kit
4 pistons
Connecting rod bearing set
Main bearing set
Upper gasket set
Lower gas..
$586.56
Set of eight McBee rod bolts. For Cummins 3.9L 4BT Diesels.
McBee part number: M-3900919..
$50.63
FIts: 1989-1998 3.9L 4BT CumminsThis Interstate-Mcbee Engine Oil Pump is a drop-in replacement for the failed oil pump in your 3.9L 4BT Engine. This o..
$107.79
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
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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
Cummins rocker box bolt set for 03-18 5.9L and 6.7L Cummins applications
Includes
3900678 (2)
3903096 (5)
Cummins: 2x3900678/5x39..
$45.91
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
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$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..
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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..
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Dodge Cummins 4BT 3.9L diesel 4-cylinder, ARP2000 Main stud kitMain stud kits help eliminate cap walk and protect the threads in your engine block. St..
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Fits: 3.9L 4BT CumminsGator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your Cummins 3.9L 4BT together whether you're buildin..
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One piece billet valve cover fits 4BT Cummins 8 valve. Designed for aftermarket injection lines run either over top or around front and back of cover...
$479.95
One piece billet valve cover fits 4BT Cummins 8 valve. Notched to fit over stock injection lines. We also have non-notched valve covers for engines wi..
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Fits Cummins 4BT 4 Cylinder engine, includes o-ring to seal against block and stainless hardware. This cover doesn’t have a breather port so it is use..
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Power Driven Diesel 4BT Cummins 055 Delivery Valves are the perfect upgrade for those who tow! These will increase fuel flow to 35 cc. Boost power wit..
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The Power Driven Diesel 4BT Cummins 7 mm Delivery Valves are hot street or race delivery valves. They provide 90 cc over stock and will add power to y..
$170.00
If you're looking to add some power and more fuel to your 4BT then this injector set from Power Driven Diesel is a perfect fit!
Power Driven Diesel..
Starting From $410.00
Power Driven Diesel PowerJet 4BT P-Pump Injectors are built, tested, and calibrated to exacting standards at our shop in Utah, ensuring high quality a..
$466.00
The new manufactured aftermarket Power Driven Diesel Stage 1 CNC-Ported 8v Cylinder Head for 4BT 3.9L has reinforced ribs throughout, strengthened wal..
$1,760.00
Power Driven Diesel offers this set of 8 high-performance drop-in valve springs for the 8v Cummins cylinder head. These lightweight valve spring assem..
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If you're looking to add some power and more fuel to your 4BT then this injector set from Power Driven Diesel is a perfect fit!
Power Driven Diesel..
Starting From $410.00
If you're looking for upper engine gaskets for your 4BT .010 Over Interstate Mcbee has what you're looking for!
Part Number
..
$786.59
Fits: 1989-1998 3.9L 4BT Cummins
Tis Clevite P-Series Main Bearing Set (Standard) is a high-quality engine bearing set for your 1989-1998 3.9L 4BT ..
$61.11
Fits: 1989-1998 3.9L 4BT CumminsSwitch out the damage or worn out gasket in your 3.9L Diesel 4BT with the Cometic Valve Cover Gasket Set. With a ..
$23.37