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Dana 80, 10 Bolt
Differential Cover

P/N 9520

PML Dana 80 Differential Cover, as-cast PML Dana 80 Diff Cover, black powder coat PML Dana Diff Cover, polished
As-cast finish
$195.00
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Black powder coating
$245.00
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Polished finish
$310.00
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Volume: 0.75 qt. over stock

Dimensions: Click here for dimensions.

This differential cover fits Dana 80 differential found on the rear of heavy duty Dodge, Ford and GM trucks. Some popular rear end applications for the Dana 80 differential are:

  • 1994-2002 Dodge Ram 2500 with manual transmission (trucks with the automatic transmission have a Dana 60/70)
  • 1994 to 2002 Dodge Ram 3500
  • 1989 to 1997 Ford F350 Dually
  • 1999 and newer Ford F350 Dually (Ford did not make an F350 in 1998)
  • 1988 to 2004 F450
  • 2011 to 2013 F450
  • 1991 to 2002 GM C3500HD

Always check your truck to verify and look for clearance as there are many configurations.

Click here to see an image of a stock cover and a PML differential cover.

Installations

Folks have installed this PML Dana 80 rear differential cover on Ford and Dodge trucks and Ford motorhomes to increase cooling and extend the life of the differential.

2001 Ram 2500 with PML Differential Cover

2001 Dodge Ram 2500 Diesel with manual transmission installed PML front and rear covers. The images below show this cover and the PML front cover for the Dana 60. There is not much clearance on the front and the stock front cover did not have a vent. Our thanks to Dennis for the pictures.

PML Dana 80 differential cover on a 2001 Dodge Ram 2500, manual transmission   PML Dana 80 differential cover on a 2001 Dodge Ram 2500, manual transmission   PML Dana 80 differential cover on a 2001 Dodge Ram 2500, manual transmission

F–350 with PML Dana 80 Differential Cover

Ford F–350 diesel truck with Kelderman suspension and PML Dana 80 cover.

PML Dana 80 differential cover on a F–350   Ford F350 truck   PML Dana 80 differential cover on a 2001 Dodge Ram 2500, manual transmission

Why Does PML Make Two Covers For the Dana 80?

PML offers two covers for the Dana 80 differential so that folks can select the cover that works best for a particular vehicle. Generally speaking, the straight fins cover was designed with 1999 and older trucks in mind and the patterned fins cover with new trucks.

Here are the differences between the two covers:

  1. Design — straight fins or patterned fins
  2. Clearance — the straight fins cover (part number 6065) is about 5 inches deep and the patterned fins cover (part number 9520) is about 3.8 inches deep so check for sway bars, spare tires, and such close to the stock cover
  3. Fill Hole — the straight fins cover has one hole for fill and level check and the patterned fins cover has separate level check and fill holes
  4. Matching Front Cover — both Dana 80 covers have matching front covers. On 1999 and newer vehicles the patterned front cover will clear the steering linkage. On older trucks, the straight fins cover will clear the ring gear. Configurations vary and lifted trucks might have different clearance.

Both covers hold about the same amount of fluid over stock. The straight fins cover is deeper than the patterned fins cover, but it has a round pumpkin shape so it only holds a few ounces more than the patterned fin cover.

For the matching front covers: See part number 10737 (has steering linkage clearance) or part number 9426 for matching patterned fins or part number 6063 for straight fins.

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.