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New Cummins 3.9 4B & 4BT Cylinder Block | 3903920 | Cummins 4B / 4BT 3.9L

Freedom Engine

3903920
OE Reference:
3903920, 4991816, 6731-21-1130, 6731211130
Note(s):
Non-STORM Block
Pricing: $1,196.00

Qty:
Free Shipping

Description

New aftermarket Non-STORM bare cylinder block assembly for Cummins 4B, 4BT & 4BTA 3.9L engines. This cylinder block serves as a direct OEM replacement for your engine, engineered to support use in tough environments. Built for reliability, our engine blocks feature precision machining and high-quality castings. This product features a one year warranty.

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  • Item Requires Shipping
  • 33.0 lbs.
  • Free Shipping