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Cummins 4B, 4BT 3.9L New Cylinder Head, 3920394

  • Availability:
  • Part Number: K3920394V
  • OEM Number: 3920394
  • Brand: Agkits
    Brand Info x Close Agkits
This item has a $140 handling charge (added in checkout).

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Injector Tip Diameter*

WARNING: Cancer & Reproductive Harm -


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With warehouses across the US, we ship quickly and efficiently.

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High Quality Parts
Our parts meet and exceed the OEM specifications.


3.9 Liter, 7mm or 9mm Injector Hole

Brand New Loaded Cylinder Head - No Core Necessary

Casting ID - 3304570, 3902521
OEM Part Number - 3920394, 3910275

Assembly Info

  • New valves, springs, guides, keepers, seats and injector tubes installed
  • Components are inspected to O.E.M standards
  • Sealed with rust preventative

OEM Part Number Cross Reference(s): 3920394