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Ford 14 Bolt Rear Differential Cover for HD Trucks, 2016 and Newer

Project, PML Part Number 11158

Availability: We are looking at the design and development of an extra capacity, heavy duty cover for heavy duty Ford trucks with the 14 bolt rear differential cover. Please sign up for our mailing list.


PML is designing this differential cover for 2017 and newer Ford trucks with the Dana M300 or M275 differential.

  • 2017 and newer F350 SRW (Dana M275)
  • 2017 and newer F250 with heavy duty rear option (Dana M275)
  • 2017 and newer F350 DRW (Dana M300, 37 spline axles)
  • 2017 and newer F450 (Dana M300, 41 spline axles)

This differential cover has 14 bolts. If you have a 12 bolt differential cover, see PML Part Number 7086.

We welcome suggestions and pictures of trucks and configurations. Email us at or call us 310-671-4345.

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Let us know if you are interested in a cover for this new differential.

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Benefits of PML Cover

This PML cover will include these benefits:

  • Extra capacity
  • Drain hole and magnetic drain plug
  • Finned to aid with heat dissipation
  • Heavy duty, sand cast aluminum construction
  • Round, pumpkin like shape, similar to stock cover with open interior

Stock Cover

The stock cover looks similar to the pre–2017 12 bolt stock cover for Ford Sterling 10 1/4, 10 1/2 inch ring gear differentials. Although the shape is imilar, this new differential cover us slightly larger and has 14 bolts instead of 12.

Ford Super Duty 14 bolt rear differential cover
2017 Ford Super Duty, Single Rear Wheel

Ford Super Duty 14 bolt rear differential cover, Ford Super Duty truck, DRW
2017 Ford Super Duty, Dual Rear Wheel