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New Cummins 3.9 4B Overhaul Kit | Pistons + Bearings + Gaskets | Cummins 4B 3.9L

4b-OH-skid
Piston Reference:
3800681, 3800684, 3800685

CPL's:
2489, 2490, 2566, 2567, 2568, 2600, 2601

NOTE(s):
For machined spit rods & inline injection pump

  
Pricing: $1895.95

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Description

New Cummins 4B 3.9L Overhaul Kit. This comprehensive rebuild / overhaul kit is engineered specifically for the Cummins 4B 3.9L engines. All our quality made gaskets and OE / OEM style pistons.

To meet rigorous operating conditions, including low leakage rates, high temperatures, and severe environments. Manufactured with tight tolerances, the high-temperature head gaskets are tailored to meet even the most demanding customer's operational needs.

Before checking out, please select your desired configuration from the drop-down menu. We may contact you to confirm the Engine Serial number / Vin so get that ready to ensure compatibility. Please note we are not responsible for miss-ordering the wrong bore or bearing size. There will be a restocking fee for exchanges. This kit comes with a two year warranty.

Kit Includes:

  • (4) Piston Kits (Piston, Rings, Wrist Pin)
  • (1) Full Gasket Set w/ Crankshaft Seals
  • (1) Lower Conversion Gasket Kit
  • (8) Rod Bearings
  • (1) Main Bearings

Cummins / Case IH 4B 3.9L Fitment:

  • Cummins 2489, 2490, 2566, 2567, 2568, 2600, 2601
  • 75XT, Skid Loader
  • 1840, Skid Loader after ESN 45636368 w/ Bosch Pump
  • 1845C, Skid Loader after ESN 45636368 w/ Bosch Pump
  • 40XT, Skid Loader
  • 660, Tractor
  • 4391, Power Unit