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Ford Sterling 10¼" or 10½" Ring Gear
12 Bolt
Differential Covers

Part Numbers:
7086, 9513, 10816

PML offers three versions of a rear end cover for Ford Sterling 10¼" and 10½" differentials.

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

  • Ford F-250, 1989 to 2016, some 2017 and newer models
  • Ford F-350 single rear wheel, 1989 to 2016, some 2017 and newer 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.

14 Bolt Rear Differential: In 2017 Ford introduced a 14 bolt rear differential cover. Contact us at or 310-671-4345 if interested in a cover for this.

Part Number 7086 9513 10816
Picture (All Shown In
Natural Cast Finish)
PML rear end cover part number 7086 PML rear end cover part number 9513 PML rear end cover part number 10816
Available Finishes As-Cast
Fin Pattern Straight Fins Patterned Fins Curved Fins
Matching Fin Design Front Cover? Yes
P/N 6063 or
P/N 11169
No, see:
P/N 6063 or
P/N 11169
No, see:
P/N 6063 or
P/N 11169
Size 5.25 inch depth 3.6 inch depth 3.6 inch depth
Fill Hole on Top?
(Required for newer vehicles)
Yes Yes Yes
Can Be Machined For
Temperature Sending Unit?
Yes Yes Yes
Intended Use Trucks with 5¼
Trucks that
do not need
matching front
Trucks with
less clearance
select design select design select design

Volume: 0.8 quarts over stock, approximately

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

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.