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Cummins 4BT
Parts and Accessories

The 4BT Engine is a very common motor to use on custom truck and SUV engine swaps. People often will swap it into Jeep Wranglers, Gran Cherokees, Chevy Blazers, Land Rovers and other SUVs.

It is the little brother to the 6BT found in Dodge Rams. It is a very strong motor that is capable of handing 500+ RWHP with supporting modifications. The motor is often removed from Bread Trucks/Commercial Vans and other smaller around the town hauling trucks.  It is also sought after because you can get extremely good fuel economy out of it, 40+ in some cases.

At Diesel Power Products we are currently working on 4BT build ups 2 Jeep Wranglers. The first was finished and debuted at the 2012 Easter Jeep Safari in Moab, UT. Diesel Power Products is the Bruiser Diesel Conversion headquarters for the west coast.


Cummins 4BT Specifications:

  • Engine Name:Cummins B3.9L/4BT
  • Applications:Chevrolet Step Vans, Commercial applications
  • Configuration:Inline 4-cylinder diesel
  • Displacement:3.9L, 239 cubic inches
  • Bore:4.02 inches
  • Stroke:4.72 inches 
  • Compression Ratio:17.5:1
  • Aspiration:Turbocharged, non-intercooled
  • Engine Weight:745 - 782 lbs
  • Oil Capacity:10 quarts
  • Horsepower:105 hp @ 2,300 RPM *
  • Torque:265 lb-ft @ 1,600 RPM *  




4BT 8v Cummins Lower Gasket Set
4BT 8v 3.9L Cummins Lower Gasket Set
Price: $125.33 
SKU: DPP-3802375
4BT 8v Cummins Upper Gasket Set
4BT 8v 3.9L Cummins Upper Gasket Set
Price: $85.01 
SKU: DPP-3804896
4BT Cummins Header Flange For Build Your Own Header 1989-1998
4BT Cummins Header Flange For Build Your Own Header 1989-1998 DPP-4BTHF
Price: $298.00 
SKU: DPP-4BTHF
9mm to 7mm Injector Adapter Bushings for Cummins 4bt
9mm to 7mm Injector Adapter Bushings for Cummins 4bt Set of 4
Price: $32.00 
SKU: DPP-D3919358
ARP Head Stud Kit 94-98 5.9L 12V Dodge Cummins Diesel 247-4203
ARP 247-4203 Diesel Head Stud Kit 89-98 5.9L 12V Dodge Cummins
Price: $466.19 
SKU: ARP-247-4203
ARP Head Stud Kit 94-03 7.3L Ford Powerstroke Diesel 250-4201
ARP Diesel Main Stud Kit 94-97 5.9L Dodge Cummins 247-5402
Price: $265.45 
SKU: ARP-247-5402
ARP Rod Bolt Kit 1989-2007 3.9L 5.9L Cummins ARP-247-6303
ARP Rod Bolt Kit 1989-2007 3.9L 5.9L Cummins ARP-247-6303
Price: $160.66 
SKU: ARP-247-6303
ARP Ultra Torque Fastener Assembly Lubricant
ARP Ultra Torque Fastener Assembly Lubricant
Price: $17.60 
SKU: ARP-100-9910
ATI Super Damper 89-91 and 98.5-02 Cummins
ATI Super Damper Harmonic Balancer 1989-91 and 98.5-02 Cummins 917365
Price: $455.00 
SKU: ATI-917365
BD Cool Covers 89-98 Cummins 4BT/6BT Single Cover
BD Cool Covers 88-98 Cummins 4BT/6BT Single Cover BD-1061800
Price: $55.00 
SKU: BD-1061800
BD VE Fuel Pin & Governor Spring Kit 89-93 4BT Cummins 1040178
BD VE Fuel Pin & Governor Spring Kit 89-93 4BT Cummins 1040178
Price: $164.00 
SKU: BD-4BT-1040178
BD-Power P7100 Fuel Stop Plates / Cam Plates 94-98 5.9L/3.9L 12 Valve/4bt Cummins
BD-Power P7100 Fuel Stop Plates / Cam Plates 94-98 5.9L/3.9L 12 Valve/4bt Cummins
Price: $237.00 
SKU: BD-
BorgWarner EFR 6258 Turbocharger
BorgWarner EFR 6258 Turbocharger
Price: $1,450.00 
SKU: BW-6258-179150
BorgWarner EFR 6758 Turbocharger
BorgWarner EFR 6758 Turbocharger
Price: $1,549.00 
SKU: BW-6758-
Cummins Dual Valve Covers with Built in Breather 89-98 6bt 12v and 4bt 6v
Cummins Dual Valve Covers with Built in Breather 89-98 6bt 12v and 4bt 6v DPP-12VB
Price: $217.00 
SKU: DPP-12VB
Cummins Factory Replacement Tappets 89-98 4BT/6BT Cummins 5.9L/3.9L DPP-3931623
Cummins Factory Replacement Tappets 89-98 4BT/6BT Cummins 5.9L/3.9L DPP-3931623
Price: $17.83 
SKU: DPP-3931623
Cummins Water Pump 3.9/5.9L Cummins 4bt/6bt 1989-2002 3286278
Cummins Water Pump 3.9/5.9L Cummins 4bt/6bt 1989-2002 3286278
Price: $184.91 
SKU: DPP-3286278
Diesel Pros DP-3 Performance Cam 4BT 3.9L Cummins
Diesel Pros DP-3 Performance Cam 4BT 3.9L Cummins
Price: $750.00 
SKU: DP-DP3-4BT
Factory Mechanical Fuel Pump Block Off Plate 89-98 Cummins 6bt 12v and 4bt
Factory Mechanical Fuel Pump Block Off Plate 89-98 Cummins 6bt 12v and 4bt 6v
Price: $15.00 
SKU: DPP-FBP98
F-BOMB Diesel Fuel Additive | Fuel Bomb! | Fuel Mileage Gains
F-BOMB Diesel Fuel Additive | Fuel Bomb!
Regular Price: $14.95
DPP Sale Price: $8.95 
SKU: FB-001
F-BOMB Diesel Fuel Additive | Fuel Bomb! | Fuel Mileage Gains
F-BOMB ICE Diesel Fuel Additive | Fuel Bomb!
Regular Price: $14.95
DPP Sale Price: $8.95 
SKU: FB-003
Fleetguard 2 Micron Fuel Filter FF5320
Fleetguard 2 Micron Fuel Filter FF5320
Price: $16.29 
SKU: FF5320
Fleetguard Fuel/Water Separator FS1001
Fleetguard Fuel/Water Separator FS1001
Price: $23.10 
SKU: FS1001
Fleetguard Fuel/Water Separator FS1212
Fleetguard Fuel/Water Separator FS1212
Price: $19.95 
SKU: FS1212
Fuel Bomb: Hellfire Diesel +8 Cetane Booster Diesel Fuel Additive
Fuel Bomb: HELLFIRE +8 Cetane Booster Diesel Fuel Additive
Regular Price: $14.95
DPP Sale Price: $8.95 
SKU: FB-002
Fuel-Bomb |Split case of F-BOMB/HellFire/ICE Diesel Fuel Additive
Fuel-Bomb |Split case of F-BOMB/HellFire/ICE Diesel Fuel Additive
Regular Price: $159.99
DPP Sale Price: $94.95 
SKU: FB-001/2-Case
Harland Sharp Roller Rocker Arms Dodge Cummins
Harland Sharp Roller Rocker Arms Dodge 8V 4BT Cummins
Price: $833.00 
SKU: Harland-BT4
Industrial Injection 4bt Gorilla Girdle 1989-2002 Cummins RMG2G12MM-4BT
Industrial Injection 4bt Gorilla Girdle 1989-2002 Cummins RMG2G12MM-4BT
Price: $872.03 
SKU: II-RMG2G12MM-4BT
Industrial Injection 4K and 5K RPM Governor Spring Kit 94-98 5.9L Cummins 12 Valve
Industrial Injection 4K and 5K RPM Governor Spring Kit 94-98 5.9L Cummins 12 Valve
Price: $138.00 
SKU: IIS-
Industrial Injection 6bt 12v and 4bt 8v Cummins MAHLE Coated Pistons
Industrial Injection 6bt 12v and 4bt 8v Cummins MAHLE Coated Pistons
Price: $295.00 
SKU: II-12VMAHLEPISSTD-SINGLE
Industrial Injection 89-93 4BT/6BT Prince Of Darkness 50hp Injectors
Industrial Injection 89-93 4BT/6BT Prince Of Darkness 50hp Injectors
Price: $90.00 
SKU: II-6760524
Industrial Injection Billet Freeze Plug Kit 1989-02 4BT/6BT 12 and 24 Valve Dodge Cummins IIS1224VFPSP
Industrial Injection Billet Freeze Plug Kit 1989-02 4BT/6BT 12 and 24 Valve Dodge Cummins IIS1224VFPSP
Price: $58.00 
SKU: IIS1224VFPSP
Industrial Injection Rear Freeze Plug Kit 4BT/6BT 12/24 Valve 1989-02 Cummins IIS1224VFPBP
Industrial Injection Rear Freeze Plug Kit 4BT/6BT 12/24 Valve 1989-02 Cummins IIS1224VFPBP
Price: $58.00 
SKU: IIS1224VFPBP
Industrial Injection VE Pump 3200K Governor Spring Kit 89-93 5.9L Dodge Cummins 12 Valve
Industrial Injection VE Pump 3200K Governor Spring Kit 89-93 5.9L Dodge Cummins 12 Valve
Price: $18.00 
SKU: II-1464650366
Lifetime Oil Filter 1989-2012 Dodge Cummins 5.9L LOF-8505
Lifetime Oil Filter 1989-2012 Dodge Cummins 5.9L LOF-8505
Price: $449.00 
SKU: LOF-8505
Mishimoto Universal G-Line Intercooler MMINT-UG/MMINT-UGB
Mishimoto Universal G-Line Intercooler MMINT-UG/MMINT-UGB
Price: $251.75 
SKU: MISH-MMINT-UG
Mishimoto Universal Oil Catch Can MMOCC-RB/MMOCC-CF
Mishimoto Universal Oil Catch Can MMOCC-RB/MMOCC-CF
Price: $118.75 
SKU: MISH-MMOCC-
Mishimoto Universal S-Line Intercooler MMINT-US/MMINT-USB
Mishimoto Universal S-Line Intercooler MMINT-US/MMINT-USB
Price: $294.00 
SKU: MISH-MMINT
Mishimoto Universal Z-Line Intercooler MMINT-UZ/MMINT-UZB
Mishimoto Universal Z-Line Intercooler MMINT-UZ/MMINT-UZB
Price: $185.25 
SKU: MISH-MMINT-
PacBrake Remote Oil Filter Kit 94-02 5.9L Dodge Cummins HP10006
PacBrake Remote Oil Filter Kit Universal Cummins
Price: $208.99 
SKU:
Peak Diesel Delivery Valves3.9L Cummins 4bt engine
Peak Diesel Delivery Valves 3.9L Cummins 4BT
Price: $183.00 
SKU:
Peak Diesel Governor Spring Kit 94-98 5.9L Dodge Cummins 12 Valve
Peak Diesel Governor Spring Kit 94-98 5.9L Dodge Cummins 12 Valve
Price: $105.00 
SKU:
Peak VE Pump 3200K Governor Spring Kit 89-93 5.9L Dodge Cummins 12 Valve
Peak VE Pump 3200K Governor Spring Kit 89-93 5.9L Dodge Cummins 12 Valve
Price: $35.00 
SKU: PDP-3200RPMVESPRING
VE Pump TPS Bracket for Automatic 89-93 Cummins 6BT/4BT
VE Pump TPS Bracket for Automatic 89-93 Cummins 6BT/4BT
Regular Price: $150.00
DPP Sale Price: $129.00 
SKU: DPP-TPS8993