4BT Cummins Parts and Accessories

4BT Cummins

One of the coolest engines ever produced is the 4BT Cummins, in all of its variations. You may be wondering why we would be touting a teeny 3.9L, four cylinder engine as one of the coolest engines? Well that’s simple. This little diesel can be swapped into numerous vehicles that simply don’t have the sheer engine bay space for any of the traditional larger engines, let alone the weight. Further, the earlier mechanically controlled engines could be modified to produce impressive horsepower numbers, while still achieving over 40 miles per gallon.

In one of our in-house builds, we took a 2009 Jeep JK four door and slapped a 4BT in it, along with a host of other off road oriented upgrades and made one of the coolest JK’s on the planet (at least we think so). That Jeep took us all over the country on some of the toughest trails you can imagine, and still served as a vehicle that could easily be daily driven, turning heads everywhere it went. It's hard to not look twice when you hear a Cummins rattling under the hood of a Jeep rolling on 40” tires!

4BT Cummins 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 *

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4BT 8v Cummins Lower Gasket Set
DPP-3802375
DPP Price: $133.16
4BT 8 Valve 3.9L Cummins
4BT 8v Cummins Upper Gasket Set
DPP-3804896
DPP Price: $91.23
 
4BT 8 Valve 3.9L Cummins
4BT Cummins Header Flange For Build Your Own Header 1989-1998
DPP-4BTHF
DPP Price: $298.00
4BT (Four Cylinder) 8 Valve Cummins
9mm to 7mm Injector Adapter Bushings for Cummins 4bt
DPP-D3919358
DPP Price: $32.00
Cummins 4BT
ARP 247-4206 Diesel Head Stud Kit 4BT Cummins
ARP-247-4206
DPP Price: $332.31
Cummins 4BT
ARP CA625 Diesel Head Stud Kit Cummins 4BT 247-4205 247-4207
ARP-247-4207
DPP Price: $867.39
Cummins 4BT
ARP Head Stud Kit 94-03 7.3L Ford Powerstroke Diesel 250-4201
ARP-247-5402
DPP Price: $272.10
1994-1997 5.9L Dodge Cummins
ARP Rod Bolt Kit 4BT Cummins ARP-247-6304
ARP-247-6304
DPP Price: $110.68
Cummins 4BT
ARP Ultra Torque Fastener Assembly Lubricant
ARP-100-9910
DPP Price: $22.21
 
ATI Super Damper 89-91 and 98.5-02 Cummins
ATI-917365
DPP Price: $490.00
1989-1991 5.9L Dodge Ram Cummins 12 Valve
1998.5-2002 5.9L Dodge Ram Cummins 24 Valve
BD Cool Covers 89-98 Cummins 4BT/6BT Single Cover
BD-1061800
DPP Price: $60.00
1988-1998 5.9L Dodge Cummins
4BT Cummins Applications
BD VE Fuel Pin & Governor Spring Kit 89-93 4BT Cummins 1040178
BD-4BT-1040178
DPP Price: $164.00
 
1989-1993 4BT Cummins
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