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Ford 7½" Ring Gear, 10 Bolt, Straight Fins, Differential Cover

PML Part Number 7043

PML makes two covers for this differential. Read About PML Ford 7 1/2 Covers.

PML Ford 7½ Diff Cover, as-cast
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PML Ford 7½ Diff Cover, black powder coat
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PML Ford 7½ Diff Cover, polished
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As-cast finish
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Black powder coating
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Polished finish
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Volume: 0.4 qt. over stock, approximately

Dimensions: Click here for dimensions. A separate window or tab will open.


This rear end differential cover fits many Ford Rangers and and other Ford vehicles with a 7½" ring gear. Some common applications are:

  • Bronco II, 1984 to 1990
  • Ranger, 1983 to present (the 4.0L engine Rangers usually have the larger 8.8 inch rear)
  • Mustang, 1982 to 1986
  • Aerostar, 1986 to 1997 and minivans
  • Mazda B2300, 1994 and newer
  • Mazda B3000, 1994 and newer

This cover may also fit some minivans, Crown Vics, Grand Marquis cars, and Thunderbirds. Some models may have the larger Ford 8.8 differential, which is more rectangular in shape and longer (vertically). The Ford 8.8 stock cover is about 11 inches vertically and the 7.5 inch is about 9.75 inches vertically. Please check carefully which differential your vehicle has and if you have clearance.

Check out our Ford 8.8 diff cover for pictures and more information if you have the larger differential.

PML makes two designs for the Ford 7½ inch rear end to accommodate a variety of preferences and vehicles.

PML Differential Cover Compared to Stock

PML Differential Cover Part Number 7043 height compared to stock  PML Differential Cover Part Number 7043, 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 7.5, 10 bolt differential covers and the stock cover. Click on image to view larger in a new tab or window.
PML Ford 7.5 10 bolt Differential Covers depth comparisons


Our thanks to those who have emailed us pictures of their installations.

Installation on a 1988 Ford Ranger

John installed this PML cover on his 1988 Ranger with the 7.5 rear axle. He purchased the polish finish then did a custom powder coat in translucent red.

1988 Ford Ranger1988 Ford Ranger   1988 Ford Ranger EngineEngine in 1988 Ford Ranger   PML cover installedPML cover installed on Ranger   Custom red powder coatPML differential cover polish finish custom powder coated translucent red
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Installation on a 1934 Ford Coupe

John installed this PML cover on his 1934 Ford Coupe with a truck differential.

1934 Ford Coupe1934 Ford Coupe with Ford Truck Differential   PML diff cover on CoupePML cover installed on 1934 Ford Coupe
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Installation on Ford Tow Vehicle

This PML differential cover was installed on a Ford dynamometer test trailer axle. The test trailer is a mid-90s towing dynamometer. Ford uses it to simulate grades on a level surface. They tow this trailer behind a vehicle and can simulate a loaded trailer climbing any grade in the world. Our thanks to Jim for the pictures and for choosing a PML rear differential cover to cool down this test rig.

Picture on the left is the PML cover installed.
Picture in the middle is the stock cover.
Picture on the right is the Ford tow vehicle with the PML cover installed.
PML Ford 7.5 10 bolt Differential Cover on Ford Tow Vehicle   Stock cover on Ford Tow Vehicle   Close up of PML Ford 7.5 10 bolt Differential Cover on Ford Tow Vehicle
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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.