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PML differential cover on Ram 3500 truck

PML Differential Covers

Here at PML, we design our front and rear end differential covers to address the needs of towing, hauling, recreation, restoration, and racing applications with straight-forward, practical designs.

Learn why a PML differential cover is good for your vehicle.

Not sure which differential you have? Try our Search tool to find the PML cover for your vehicle.

PML Differential Covers for Hummer H1:

Part Number 11155

PML Differential Covers for Dana Applications (Jeep, Ford, and Dodge):

Part Number 5048
Part Number 5058
Part Number 5062
Part Number 5055
Part Number 6057
Part Number 11045
Part Number 6063
Part Number 11169
Part Number 9426
Part Number 6059
Part Number 9520
Part Number 6065
Part Number 11158

PML Differential Covers for Chrysler/Dodge Applications:

Part Number 11046
Part Number 9864
Part Number 9518
Part Number 11118

Ford Applications:

PML Differential Covers for Chevy/GM Applications:

PML Differential Covers for Nissan Applications:

Part Number 10756

Obsolete PML Differential Covers:

Benefits of PML Front and Rear End Covers

PML differential covers feature:

  • Increased oil capacity and raised fins for cooler oil temperatures
  • Made from aluminum for better heat transfer than steel
  • Magnetic drain plug allows oil changes without removing the cover
  • Machined gasket surface for secure seal using RTV or factory reusable gasket
  • Thick wall sand cast construction to add strength to the differential housing
  • Thick gasket flange will not bend when bolts are tightened
  • Mounting hardware provided
  • Available in as-cast aluminum, black powder coated, and polished finishes

There are many reasons to buy a PML differential cover. Although the features depend on the application, the short of it is that a PML diff cover will save you time and money. We design covers with oil fill, level check and drain holes to make oil changes easy. Changing the oil at regular intervals is the best thing you can do for the life of your differential.

High temperatures cause oil to lose its ability to lubricate, increasing wear and tear on the differential. This is especially a concern for vehicles in harsh driving conditions such as towing or hauling. The extra oil capacity, raised fins, and aluminum construction of PML differential covers help reduce oil temperatures. The magnetic drain plug traps metal particles in the oil to further prevent wear.

PML rear and front end diff covers also feature precision-machined 3/8-inch thick gasket flanges for a leak free seal. The thick wall sand-cast aluminum construction adds strength to the differential housing. Many covers feature a boss that can be drilled and tapped for a temperature sensor. Mounting hardware (bolts, washers, plugs) is included.

Finally, PML covers look great. We offer a choice of finishes: natural as-cast, black powder coated with shaved fins, or polished. PML does not feature our logo or name on our covers, just solid design and construction. Learn more about finishes and construction of PML parts.

This is an old, but great explanation of how differentials work.

Keep it cool, keep it clean, keep it alive.