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Ford Sterling 10¼" or 10½" Ring Gear
12 Bolt, Curved Fins, Differential Cover

PML Part Number 10816

PML makes three covers for this differential. Read About PML Ford 10.5 Covers.

PML Ford 10¼, 10½" Diff Cover, matches front, as-cast PML Ford 10¼, 10½" Diff Cover, matches front, black powder coat PML Ford 10¼, 10½" Diff Cover, matches front, polished
As-cast finish
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Black powder coating
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Polished finish
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Volume: 0.8 quarts over stock, approximately

Dimensions: Click here for dimensions.

This PML cover for the big Ford trucks and SUVs has a patterned fin for a custom look. PML offers a front cover in a matching design. It adds capacity to help lower the differential fluid temperature. Thick walls and gasket flanges add strength to the differential housing and provide a uniform clamping force on the gasket surface for a secure seal.

This rear differential cover fits the 10¼ inch or 10½ inch Sterling rear end found on:

  • Ford F-250, 1989 to 2016, some 2017 models
  • Ford F-350 single rear wheel, 1989 to 2016, some 2017 models (if you have a Dually, see our Dana 80 cover)
  • Ford Excursion, 2000 to 2005

PML makes three different rear end covers for the Ford Sterling 10¼ and 10½ inch ring gear, 12 bolt differentials. They have the same prices but different fin patterns, shapes, sizes and features.

PML makes a front end cover to match this cover. It is PML part number 10737, the Dana 50/60 front differential cover (for Excursion, F-250 1999 and newer, F-350 SRW 1998 and newer). For older trucks, please see our straight fin design covers for the front and rear.

This PML cover has holes for drain and fill. A boss on side optionally can be machined for a temperature sensor for an additional cost. Call to order machining and let us know your sensor thread size.

The level check hole for this differential is provided by Ford and is located on the driveshaft side of the differential housing.

See a comparison of all PML Ford Sterling rear covers.

PML Differential Cover Compared to Stock

PML Differential Cover Part Number 10816 height compared to stock  PML Differential Cover Part Number 10816, compared to stock
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These images show this PML differential cover compared to the stock cover.


Customers have installed this PML rear differential cover on Ford trucks from 1989 to 2015 (2016 installation in process). Here are a some pictures from a few installations.

2007 F-250 Installation

Big Time Motor Sports installed PML front and rear covers on their 2007 F-250 Super Duty. The front cover is PML part number 10737.

2007 F250 with PML differential covers   2007 F250 with PML Ford Sterling 10.5 rear cover   2007 F250 with PML Dana 50/60 front cover
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2009 F-350 Installation

Auto Illusions in Pennsylvania installed front and rear differential covers and a PML transmission pan on their 2009 F-350 6.4L diesel 4WD truck. The front cover is PML part number 10737 and the transmission pan is PML part number 11049.

To get the custom candy red, Auto Illusions started with PML's natural as-cast finish. Parts in this finish are clean and ready for custom powder coating or painting out of the box.

2009 F350 with PML rear differential cover   2009 F350 with PML differential covers and transmission pan   2009 F350 with PML differential covers and transmission pan
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For a larger picture, please click one of the above images. A separate window will open showing a bigger picture. (The larger pictures take a minute to display.)

PML Differential Cover Features:

  • Increased oil capacity for cooler temperatures
  • Sand-cast aluminum with raised fins
  • 3/16-inch thick wall construction to add strength to differential housing
  • 3/8-inch thick gasket flange will not bend when bolts are tightened
  • Machined gasket surface for a secure seal using RTV or factory reusable gasket
  • Oil changes without removing the cover
  • All hardware provided, including magnetic drain plug

Learn more about finishes and construction of PML parts.