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Chrysler/Dodge Corporate 8¼" Ring Gear, 10 Bolt
Differential Cover

P/N 9864

PML Dodge Corp Diff Cover, as-cast PML Corp 8¼ Diff Cover, black powder coat PML Dodge 8¼ 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 in a PDF file.

This cover fits the rear Dodge Corporate 8.25 inch ring gear differential. This differential is found on the following vehicles:

  • 1991-2001 Jeep XJ Cherokee & Wagoneer (also see Dana 35 cover)
  • Jeep Liberty (2008 and newer may have pan hard bar too close to stock cover to allow for a larger heavy duty cover)
  • 1990-current Dodge Dakota (also see Corporate 9.25 cover - count your bolts to see which differential you have)
  • 1990-2004 Dodge Durango (also see Corporate 9.25 cover - count your bolts to see which differential you have)
  • Chrysler Fifth Avenue, Imperial, and New Yorker

This PML cover cover features heavy duty, thick wall construction, fins for cooling and extra capacity. A drain on the bottom and magnetic drain plug make servicing the differential quicker and less messy. Always check your vehicle to verify differential and look for clearance for a larger cover before ordering.

If you have a Liberty with a gas tank skid plate, use the dimensions provided below to check for clearance. The skid plate can often be loosened and shifted away from the differential.

Liberty Stock Diff Cover with PML Cover Liberty Diff Cover Installed Liberty Diff Cover Clearance

Click on above images to view larger images in a separate window.

Images show install of cover on a Jeep Liberty without gas tank skid plate. Thank you to Brian at ripster@up.net for the pictures.

This cover features fill/level check and drain holes for easier maintenance. It also has an undrilled boss for a temperature sensor. The option to have boss drilled and tapped will need to be ordered over the phone, not on-line.

PML Differential Cover Compared to Stock

PML Differential Cover Part Number 9864 height compared to stock  PML Differential Cover Part Number 9864, compared to stock
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These images show this PML differential cover compared to the stock cover.

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.