6.4L Engine

6.4L Engine Labels

Engine Serial Number

  • The engine serial number is located on the left rear corner of the crank case on a half moon machined surface.
  • A white sticker is placed over this number during production, this sticker was removed for illustration purposes.
  • 6.4 — is the engine family identifier.
  • HU2Y — is a manufacturing designator Ex: HU2Y or HU2U “Y designates Huntsville, AL and U designates Indianapolis, IN”
  • 0385535 — is a sequential build number

6.4L Engine Serial Number Overview

Serial Number Label

  • Located on the top of the vertical EGR cooler.
  • States the engine serial number. — example at right, “0385535”
  • States the engine family. — exmple at right, “6.4L DI turbo diesel”

6.4L Engine Serial Number Label Overview

Emissions Label

  • States the horsepower rating for the engine, programmed in the Engine Control Module (ECM).
  • Depicts where the engine meets or exceeds emission standards.
  • Shows the engine displacement.
  • Is affixed to the right hand valve cover.
  • F250/350 labels are red.
  • F450/550 labels are blue.

6.4L Engine Emissions Label Overview