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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: Hot Shots Secret
Part Number: GDxFULL-SYN
HEAVY-DUTY DIESEL ENGINE OIL5W-40 Green Diamond Fleet Oils are a 100% pure synthetic using only Group III base oils.Infused with FR3 Nano Lubricant TechnologyHot Shot’s Secret Green Diamond Fleet Oil offers:Improves Cold Weather Starting compared to Conventional OilsImproves Fuel Economy up to 3%Low..
$26.04
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 filter technology, click h..
$35.90
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...
$3.00
Brand: Bosch
Part Number: Cummins4btGovSpg
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 will ..
$19.99
-250x250w.jpg "4BT Cummins Steed Speed Exhaust Manifold w/Center T3 Flange")
Brand: Steed Speed
Part Number: 4BT3ManifoldCTR
Currently all Steed Speed items have a 6-8 week lead time
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 manifo..
$625.00
-17 %
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 $29.00
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...
$359.99
-5 %
Brand: Dynomite Diesel
Part Number: DPP PIN
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..
$85.50 $90.00
-49 %
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..
$36.50 $71.65
-9 %
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 ..
$338.85 $373.91
Brand: Cummins
Part Number: 3927154 x4
Single Layer Exhaust Manifold Gasket Set, Set of 4
Fits 3.9L 4BT Cummins Diesels
Cummins: 3927154
Picture for representation only. ..
$30.00
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..
$19.50
Brand: Contagious Diesel Performance
Part Number: CON4BTOILSQU
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..
$33.35
Brand: Cummins
Part Number: 3938162
This is a genuine Cummins gasket and is designed for 4BT 3.9L Oil Pan.
Cummins part number: 3938162...
$39.00
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.These ..
$225.00
Brand: Fleetguard
Part Number: LF16087
Fleetguard Oil Filter for Cummins
Fleetguard part number: LF16087, LF1608700 (Cummins: 1220922)...
$8.26
Part Number: 093x250s
..
$64.00
-16 %
Brand: Cummins
Part Number: 10x3927948
Please verify whether your 4BT has 12mm or 14mm main bolts before ordering.
10x Cummins part number: 3927948..
$62.00 $74.00
-8 %
Brand: Cummins
Part Number: 4BTMan
This is a full workshop manual, for Cummins 4BT engines.
Cummins Manual number:
3666017 - 91 AND NEWER
3810206 - PRIOR TO 91
Please select above..
$106.00 $115.49
-24 %
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 $35.33
-1 %
Brand: Cummins
Part Number: 3927633
4BT Injector Return Line. Only includes number 6 from image.
Cummins part number: 3927633..
$123.00 $124.00
-10 %
Brand: PacBrake
Part Number: HP10007
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 filtration..
$234.13 $260.14
Brand: Haisley Machine
Part Number: 4BTA112MM
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 bottom. We have designed these studs with more threads for less stress to the bloc..
$342.69
-9 %
Brand: Automotive Racing Products
Part Number: 247-6304
ARP 2000 - Angled cap rod - 4BT Cummins Rod Bolts
ARP part number: 247-6304..
$112.90 $124.58
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 Number (ESN) by calling o..
$569.00
Brand: Cummins
Part Number: 3283333
3.9L 4BT Cummins Cylinder Standard Thickness Head Gasket
Part # 3283333..
$80.00
Brand: Contagious Diesel Performance
Part Number: CD 5x.012 4BT
Set of 4 Contagious Diesel 5x.012 injectors with SAC nozzles for the 3.9L 4BT VE Pump Cummins Turbo Diesel equipped with the VE Rotary Injection Pump or P7100 Inline Injection pump. These will give you an appromixate 60HP gain if your pump is tuned correctly.
These injectors have a 7mm nozzle, we c..
$435.00
_8kca-ou-250x250w.jpg "3.9L 4BT Cummins Crank Adapter"){kind=logo}
-9 %
Brand: Cummins
Part Number: 10x3904217
Backordered to END OF APRIL (updated 3/23/2020)
Please verify whether your 4BT has 12mm or 14mm main bolts before ordering.
10x Cummins part number: 3904217..
$279.00 $304.99
Brand: Haisley Machine
Part Number: 4btfireringkit
Includes standard thickness AFTERMARKET 3.9L Cummins head gasket modified for the use of fire rings.
Requires the machining of grooves into the cylinder head or engine block for use.
6 mild steel rings included.
Detailed instructions on machine guidelines are included.
There is absolutely NO W..
$191.56
-12 %
Brand: Cummins
Part Number: 4891178 x4
Includes 4 of #2 in second picture ONLY!
NOTE: NEW STYLE CUMMINS BEARINGS NOW HAVE A K GROOVE ON THE OUTSIDE OF THE BEARING THAT DRAWS OIL INTO THE CENTER.
4x Cummins: 4891178..
$57.00 $65.00
Brand: Cummins
Part Number: 4089648
This upper gasket kit should fit any 3.9L 4BT Cummins equipped with the rotary injection pump. Please enter your ESN above so we can ensure proper fitment before shipping.Cummins part number: 4089648..
$226.00
Brand: Bosch
Part Number: 4x 2433462014
1 Set of 4, 15/16 size nuts, used to hold the 3.9L Injectors into the cylinder head.
These are the same nuts used on 94-98 5.9L 12 Valve Cummins injectors.
These generally do not go bad and are re-usable.
Bosch: 2433462014..
$19.15
Brand: Scheid Diesel
Part Number: 4BTINJLINE
Please allow 2-3 day lead time before item ships.
Image for reference only. (But is pretty close ;) from 6BT 12V)
* .078 and .084 can only be ordered in mild steel...
$79.00
Part Number: 4x D3919358
This injector adapter set allows you to run 7mm injectors in a 9mm 8-Valve 3.9L Cummins 4BT Cylinder head...
$36.00
-24 %
Brand: Cummins
Part Number: 8x 3900919
Set of eight factory OEM Cummins rod bolts. For Cummins 3.9L 4BT Diesels.
Cummins part number: 3900919..
$72.00 $95.00
Brand: Contagious Diesel Performance
Part Number: CD 5x.0114BT
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 well with the LARGE bowl piston found in some 4BT's.These injectors are set up as a matched set, for the stock style piston bowl.Built using 7MM nozz..
$289.00
Brand: Contagious Diesel Performance
Part Number: CD 5x.014 4BT
Set of 4 Contagious Diesel 5x.014 injectors with SAC nozzles for the 3.9L 4BT VE Pump Cummins Turbo Diesel equipped with the VE Rotary Injection Pump or P7100 inline pump. These will give you an appromixate 90HP gain if your pump is tuned correctly.These injectors have a 7mm nozzle, we cannot build ..
$462.50
Brand: Cometic Gasket Inc
Part Number: PRO3000B
The heart of any pulling truck, race car, or tuner car is the engine that powers it. just like a real heart you should do anything to protect it so that it can continue to perform for many years to come. Cometic is pleased to offer protection for your engine in the form of StreetPro gasket kits. H..
$240.55
Brand: Cummins
Part Number: 3918954
Oil filter housing or filter head housing for Cummins 4BT.
Please enter ESN above so we can verify fitment for your application.
Cummins part number: 3918954
Image is not actual part. For reference only.
This is a hard to find part. Please call for availability before ordering...
$162.00
_q2o2-1f-250x250h.png "Cummins 3.9L 4BT Upper/Lower Engine Rebuild Kit")
-2 %
Brand: Cummins
Part Number: 4BT-OHKit
Kit includes:
4 of 4891178 - BUSHING, WRIST PIN
4 of 3802160 - KIT,ENGINE PISTON
8 of 3969562 - BEARING,CON ROD
4089648 - SET,UPPER GASKET
3802375 - SET,LOWER GASKET
3901306 - BUSHING,CAMSHAFT
4955855 - SET,MAIN BEARING
Standard main seals and standard pistons.
Please let us know your E..
$1,776.00 $1,805.00
Brand: Interstate-McBee
Part Number: M-3804896
4BT '89-'93 3.9L Cummins Head Gasket Set "STD." (Aftermarket) ..
$129.99
-14 %
Brand: Pedal Commander
Part Number: PCxx-BT
Pedal Commander is a revolutionary throttle response controller for modern cars that have response limitations.
Features:
Easy Installation (Plug & Play)
OEM Factory Plugs
Individual Programming
User-Friendly and Adjustable
Eco, City, Sport & Sport Modes
Removes All Disadvantages of Electro..
$299.99 $349.99
-3 %
Brand: Mahle
Part Number: HS4961
Contains Standard Thickness Head Gasket Engine Designation: 4B-3.9 239 CID (3.9 L); 4 4.02" (102.0 mm) Bore
You receive every part you need to complete your gasket repair in one package unless otherwise stated.MAHLE Original® head gasket sets are packaged in shrink wrapped tray, giving you the abil..
$128.00 $132.08
Brand: Cummins
Part Number: 3938153
3.9L 4BT Cummins Large Intake Plate Gasket
Includes item #1 in the picture.
Cummins: 3938153..
$8.00
-9 %
Brand: Automotive Racing Products
Part Number: 247-4207
CUSTOM AGE 625 PLUS®: This newly formulated super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness – with complete resistance to atmospheric corrosion and oxidation. ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+. Best..
$885.00 $976.26