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Ford 8.8" Ring Gear, 10 Bolt, Straight Fins, Differential Cover

PML Part Number 7064

PML makes two covers for this differential. Read About PML Ford 8.8 10 Bolt Covers.

PML Ford 8.8 Diff Cover, as-cast PML Ford 8.8 Diff Cover, black powder coat Image of a polished part not yet available.
As-cast finish
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Black powder coating
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Polished finish
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Volume: 0.6 qt. over stock

Dimensions: Click here for dimensions.

This PML differential cover increases capacity to help lower the fluid temperature. A thick gasket flange and thick walls add strength to the differential housing and provide a uniform clamping force on the gasket surface for a secure seal. The cover features a drain hole, a fill hole, a level check hole, and an un-machined temperature sensor boss. Some Ford differentials have a factory fill location on the driveshaft side of the third member. Newer vehicles do not and can use the fill hole on the differential cover. For a temperature sending unit, PML can machine the boss under the level check. There is a machining charge and this option needs to be ordered over the phone.

We have one of these covers (without fill and level check holes) in the polish finish on special.


This rear end differential cover fits many Ford trucks and SUVs. Vehicle configurations vary so check yours carefully. Some common applications are:

  • Bronco, within in-line 6 302, 351 engines, 1987-1996
  • Crown Vics, 1982-2005 (may also have 7½ differential)
  • Explorer, 1991 and newer
  • F150, 1980 and newer (may also have 9¾ differential)
  • E150, 1992 and newer
  • Lighting, 1993-1995
  • Marauder, 2003-2004
  • Mountaineer, 1997 and newer
  • Mustang, 1987-1995 (1996 to 2011 appear to have the same differential)
  • Navigator (may also have Ford 7½ differentials)
  • Ranger, 4.0 engine, 1989 and newer (other engine sizes, please check the PML Ford 7.5 differential cover)
  • Mazda B4000, B2300 (may have other differentials)

Some models do not have clearance for a larger differential cover. Always check if you have clearance before ordering.

Some models may have the smaller Ford 7.5 differential, which is more rounder in shape and shorter (vertically). Other models have have the larger For 9.75 differential, which has a different shape and has 12 bolts. The Ford 8.8 stock cover is about 11 inches vertically and the 7.5 inch is about 9.75 inches vertically.

Check out our Ford 7.5 diff covers for pictures and more information if you have the smaller differential.

Check out our Ford 9.75 diff covers for pictures and more information if you have the larger differential.

PML makes two designs for the Ford 8.8 inch rear end to accommodate a variety of preferences and vehicles. Click here for the straight fin design or click here for the patterned fin design.

This Ford differential cover is designed for non-IRS, REAR differential on Ford vehicles. Some 4WD F150 trucks have the 8.8 ring gear differential in the front but on the trucks we have seen there is not enough room for this cover. For vehicles with IRS, the linkage bolts on to the cover and PML differential covers are not compatible.

Note to Expedition owners: a larger cover may be too deep to clear the track bar that runs behind the differential cover. Using the dimensions, please check your vehicle for clearance before purchasing.

PML Differential Cover Compared to Stock

PML Differential Cover Part Number 7064 height compared to stock  PML Differential Cover Part Number 7064, compared to stock
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These images show this PML differential cover compared to the stock cover.

This image compares the depth of both PML Ford 8.8, 10 bolt rear differential covers and the stock cover. Click on image to view larger in a new tab or window.
PML Ford 8.8 Differential Covers depth comparisons


Our thanks to our customers who have installed our covers and emailed us with feedback and pictures.

2005 Ford Ranger Edge

These images show this heavy duty straight fin PML cover installed on a 2005 Ford Ranger Edge.

PML differential cover on a 2005 Ford Ranger Edge, passenger side view    PML differential cover on a 2005 Ford Ranger Edge, driver side view    PML differential cover on a 2005 Ford Ranger Edge, rear view

1997 Ford F–150

Nestor installed this PML rear differential cover on his 1997 F–150 XLT. He emailed us these great pictures and said "you can see from the pictures that the PML cover was a big upgrade from the Ford OEM cover".

1997 F150 1997 Ford F150   1997 f150 stock cover 1997 F150 stock rear differntial cover   Inside of PML and Ford covers Comparing the inside of the PML cover to the stock Ford 10 bolt cover from a 97 F150   97 F150 stock cover and PML cover 1997 F150 stock differential cover and PML cover
Ford 10 bolt stock cover and PML cover heights PML cover is deeper and prettier   PML 10 bolt Ford 8.8 rear differential cover installed on a 97 F150 PML 10 bolt Ford 8.8 rear differential cover installed on a 1997 F150   PML cover to 1997 F150 spare tire Plenty of clearance to spare tire with PML cover installed on a 1997 F150   Back view of PMl cover on 97 F150 1997 F150 looking good with PML 10 bolt Ford 8.8 rear differential cover installed
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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.