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Welcome to our 3.9L Cummins 4BT section. We invite you to take a look at our selection of injection lines, injectors, fuel pins and governor springs, main bolt sets, gaskets including fire ring gasket kits, and much more! We offer exhaust manifolds from Steed Speed, valve springs, push rods and cams from Hamilton Cams, as well as main stud kits from Haisley Machine.
If you don't see what you are looking for, please call us at 715-254-1833 and we will help you find it or take advantage of our Live Chat feature and talk directly to one of our associates.
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Brand: Automotive Racing Products
Part Number: 247-5404
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. Studs made from 8740 chromoly steel and heat treated in house to 190,00 PSI tensile strength rating. Kits come with hardened washers and high quali..
$217.98
Brand: Gator Fasteners
Part Number: MSK394BT
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 building a tow rig, race truck or just a daily driver.These fasteners have a much higher strength and will not stretch like the factory bolts will. The Gator..
$194.99
Brand: Keating Machine
Part Number: 032513-1
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. We also make one that is notched for to fit over the stock lines. 3.25″ total height will clear most all aftermarket studs. Taller than stock covers...
$479.95
Brand: Keating Machine
Part Number: 032513-1N
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 with aftermarket injection lines that go over the top or around the valve cover. 3.25″ total height will clear most all aftermarket studs. Taller than s..
$479.95
Brand: Keating Machine
Part Number: 062413-1NP
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 used if your engine has a breather elsewhere and doesn’t need one on the tappet cover. We do have one with a breather port available also. This fits most..
$280.00
Brand: Mahle
Part Number: MS-1718P
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 Cummins. This bearing set has a high crush for maximum retention and is fully grooved to maximize oil flow to the bearings. A reduced overlay thicknes..
$48.53
Brand: Cometic Gasket Inc
Part Number: C15056
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 rich history of producing quality gaskets, Cometic is the go-to gasket for engine builders worldwide. Features: Meet or Exceeds OEM Specific..
$22.26
Brand: Cummins
Part Number: 3802375
Fits: 1989-1998 3.9L 4BT CumminsThis gasket set includes all of the gaskets for the lower half of the engine. You should use with a Head Gasket Set (upper set) to make a complete gasket set (full set). Some gasket sets will not include certain gaskets such as crank seals, valve cover gaskets, ..
$541.19
Brand: Interstate-McBee
Part Number: M-4939585
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 oil pump is built with high-quality materials to the same precise specifications as the stock unit to maintain factory functionality. Features:&nb..
$97.99
Brand: Mahle
Part Number: CS4961
Fits: 1989-1998 3.9L 4BT CumminsThis Mahle Lower Engine Gasket Set is a great way to seal the bottom end when rebuilding your 1989-1998 3.9L Cummins Engine. This is a direct-fit replacement gasket set that built with high-quality materials to meet or exceed the factory specifications. Mahle: CS..
$159.49
Brand: ProMAXX Performance
Part Number: CHR418N
Fits: 1989-1998 3.9L 4BT CumminsThis ProMaxx Replacement Cylinder Head is a direct-Fit replacement for the damaged or cracked cylinder head in your 3.9L 4BT powered vehicle. This cylinder head is a new casting and comes ready to put in truck with all new valves, valve seals, springs, retainers..
$776.00
Brand: Cometic Gasket Inc
Part Number: C15064
Fits: 1989-1998 3.9L CumminsBuilt from quality materials, this Cometic Pushrod Cover Gasket provides the engine in your 3.9L Diesel 4BT with a superior replacement gasket. Trusted by engine buliders around the globe, Cometic is their go to for all their gasket needs. Features: ..
$15.33
Brand: Mahle
Part Number: OS32172
Fits: 1989-1998 Dodge 3.9L Cummins 4BT The Mahle Engine Oil Pan Gasket set for your 3.9L 4BT Cummins features OE form, fit, and function to provide you with performance that is as good or better then original. Choose Mahle gaskets for a perfect fit and factory-like seal. Oil pan gasket set..
$12.90
Brand: Power Driven Diesel
Part Number: 61614122319
Power Driven Diesel Locking Washer designed specifically for the P7100 pump gear. Power Driven Diesel we don’t use the typical tools to time our engines, The typical way is much to complex and slow. Purchase a Locking Washer For P7100 Pump Gear to help time your P-Pump today!
Compatible Wit..
$20.00
Brand: CTA Manufacturing Corp.
Part Number: 8612
This tool is a must have for anyone who regularly works on Cummins diesel trucks. Be it a 1989 VE Pump Cummins or a 2014 6.7L Cummins, these engines love to leak oil out of the front crank seal. The best solution is to get a new crank seal with a "speedy sleeve". Also called a wear sleeve,..
$84.47
Brand: Fleetguard
Part Number: LF9028
Introducing the Fleetguard LF9028:
It has a standard full flow oil filter, in addition to a bypass style (sub2-micron) filter in one housing.
Basically, you could say it is the equivalent of a "bypass oil filtration system, without the extra hoses".
To read more about this fil..
$42.48
Brand: Keating Machine
Part Number: 032513-2
Water pump cover block off fits B-series 4 and 6 cylinder fits Cummins engines. Uses stock water pump o-ring for sealing.Keating: 032513-2..
$45.00
Brand: Fleetguard
Part Number: LF16087
Fleetguard Oil Filter for Cummins
Fleetguard part number: LF16087, LF1608700 (Cummins: 1220922)...
$12.58
Brand: Cummins
Part Number: 3938157
Dodge 3.9L 4BT & 5.9L 6BT Cummins Oil Pickup Tube Gasket
Number 9 in the picture.
Cummins part number 3938157...
$4.59
Brand: Bosch
Part Number: 1464650366
This 3200 rpm spring fits all VE Rotary Injection pumps on Cummins 3.9L 4BT from 1989 to 1993. The spring will allow the injection pump to fuel all the way to 3200 rpm if you have enough fuel.
In other words a stock motor with no fueling mods may not spin all the way to 3200. Using this spring wi..
$19.31
Brand: Steed Speed
Part Number: 4BTT3
The only manifold available to give a substantial gain in power and fuel economy.
Not cheap cast and not weak tubular. This is the finest fully CNC machined billet turbo manifold on the planet.
Easily outperforms every other manifold available.
1 : Highest power
2 : Best econ..
$695.00
Brand: Aftermarket Parts
Part Number: VS50396R x4
Set of 4 Fel-Pro Valve Cover Gaskets for the 3.9L 4BT Cummins Diesels.
We have found that these gaskets DO NOT swell up and leak like the Cummins gaskets.They seal up time after time if you remove and install your valve covers frequently...
$23.99
Brand: Scheid Diesel
Part Number: 4BTINJLINESET
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)
Image for reference only. (But is pretty close ;) from 6BT 12V)
* .078 and .084 can only be ordered in mild steel...
$357.20
Brand: Dynomite Diesel
Part Number: DDPPIN
3.9L Cummins 4BT FUEL PIN
The Dynomite Diesel Fuel Pin gives your 89-93 3.9L Cummins 4BT 15-30 more horsepower. The Power Pin fits all 3.9L 4BT Cummins engines with the mechanical VE rotary injection pump. Installation time is approximately 15 minutes and can be done with simple hand tools.Click h..
$92.70
Brand: Pure Diesel Power
Part Number: PDP12VCOVER
Pure Diesel Power Exclusive FindWe have found another supplier for a Cummins quality valve cover, cheaper, and they are actually available!Includes: 3.9L & 5.9L Cummins plain rocker/valve cover. Includes:
1x Valve Cover
1x Bolt grommet (does NOT include bolt unless selected)
The stock valve c..
$69.95
Brand: Automotive Racing Products
Part Number: 247-4206
Studs made of proprietary ARP 2000 material in Santa Paula, CA
Rated at 220,000 psi tensile strength
Ample clamping force prevents cylinder heads from lifting
Threads rolled after heat treatment for optimum fatigue strength
Centerless ground to assure perfect concentricity
Broached stud ends ..
$371.52
Brand: Interstate-McBee
Part Number: 4x M-3927154
Single Layer Exhaust Manifold Gasket Set, Set of 4
Fits 3.9L 4BT Cummins Diesels
McBee part number: M-3927154
Picture for representation only. ..
$5.87
Brand: Bosch
Part Number: 1460503304
Is your truck or equipment extremely low on power, and now drive like a strong 7.3L Powerstroke? If so, there's a possibility the diaphragm in your AFC (air-fuel control) housing is torn. It doesn't happen very often, but it is possible. To verify, you can remove the AFC from your truck and apply 15..
$5.35
Brand: Contagious Diesel Performance
Part Number: 4xCON4BTOILSQU
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 of..
$33.50
Brand: Interstate-McBee
Part Number: M-3938162
This is designed for 4BT 3.9L Oil Pan.
McBee part number: M-3938162...
$19.00
Brand: Cummins
Part Number: 3938162
This is a genuine Cummins gasket and is designed for 4BT 3.9L Oil Pan.
Cummins part number: 3938162...
$58.68
Brand: Keating Machine
Part Number: 062413-1
Fits Cummins 4BT 4 Cylinder engine, includes o-ring to seal against the block and stainless hardware. Breather hole can be added. This fits most of the roller lifters being used, but if you are using roller lifters be sure to check the clearance between them and this cover before installation.
Th..
$305.00
Brand: Scheid Diesel
Part Number: 093x250s
Like to build things yourself? Let us help get you started? We can make custom length fuel lines for you to customize to your application. We have multiple fitting sizes and multiple diameter lines in mild and stainless steel options. Whether it's your daily driver or your weekend toy, we have got y..
$87.32
Brand: Cummins
Part Number: 3927948
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...
$9.40
Brand: Cummins
Part Number: 10x 3927948
Please verify whether your 4BT has 12mm or 14mm main bolts before ordering.
10x Cummins part number: 3927948..
$77.25
Brand: Cummins
Part Number: 4BTMan
Backordered with no ETA (Updated 11/13/2024)
This is a full workshop manual, for Cummins 4BT engines.
Cummins Manual number:
3666017 - 91 AND NEWER
3810206 - PRIOR TO 91
Please select above..
$108.73
Brand: Pure Diesel Power
Part Number: PDPMANSTUDS-4BT
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 to keep the gaskets in place when using standard bolts.
We offer two versions, a corrosion resistant alloy steel stud and nut, or a stainless stud and..
$26.99
Brand: Cummins
Part Number: 3927633
4BT Injector Return Line. Only includes number 6 from image.
Cummins part number: 3927633..
$184.59
Brand: PacBrake
Part Number: HP10588
Easily access your engine's oil filter by installing Pacbrake's oil filtration relocation kit.
A remote oil filter is most beneficial for those who have twin turbos, as the installation of the second turbo denies access to the stock filter location.
Pacbrake has designed this high quality filt..
$284.43
Backordered
Brand: Haisley Machine
Part Number: 4BTA112MM
Backordered with No ETA **Updated on 11/13/2024**
12mm Std Head stud kit for the 3.9L 4BT Cummins Turbo Diesel
Recommended for applications of 80 psi boost and under with single charger and no drugs.
The head bolt holes in the cummins blocks are not tapped to the bot..
$357.06
Brand: Automotive Racing Products
Part Number: 247-6304
ARP 2000 - Angled cap rod - 4BT Cummins Rod Bolts
ARP part number: 247-6304..
$138.69
Brand: Interstate-McBee
Part Number: OH38021xx
Interstate Mcbee 4BT Cummins Overhaul Rebuild Kit
4 pistons
Connecting rod bearing set
Main bearing set
Upper gasket set
Lower gasket set
Standard front & rear main seals
Does not include wrist pin bushings or cam bearing.
Please let us know your Engine Serial..
$533.23
Brand: Interstate-McBee
Part Number: M-3283333
Fits 3.9L 4BT Cummins
McBee part number: M-3283333..
$34.86
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Brand: Cummins
Part Number: 10x 3904217
Please verify whether your 4BT has 12mm or 14mm main bolts before ordering.
10x Cummins part number: 3904217..
$1,049.73