Dodge Front Differential Cover, 12 Bolt

Retail Price: $338.00
Price: $260.00 ea
  • SKU11136AC
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Other products by PML

PML designed this 12 bolt cover for the AAM 9.25 front differential on:

  • 2014 and newer Ram 2500 trucks
  • 2013 and newer RAM 3500 trucks

Configurations vary so always check your truck to make sure you have clearance for any larger aftermarket cover. Trucks with the factory air ride suspension may have less clearance.

Ram changed to this 12 bolt American Axle 9 1/4 inch 235mm front to improve the durability, steering and control, according to FourWheeler.com. These new front axles have central axle disconnect.

There is a Safety Recall Notice for the front suspension on Ram 2500 and 3500 trucks. After any modification, the installer or mechanic must verify clearance. See also this thread on the Turbo Diesel Register Forum.

Volume: a little over stock (about 4 oz)

Dimensions: Click here for dimensions. Always check your truck to verify differential and clearance. Check for clearance with wheels straight, left and right and at limits of suspension.

PML designed this cover as heavy duty, bolt on replacement for the front differential cover on 2014 and newer Ram 2500 and 2013 and newer Ram 3500 trucks. Ram re–introduced Central Axle Disconnect (CAD) starting with 2013/2014 model trucks to improve gas mileage.

Benefits:

  • Drain and magnetic drain plug included
  • Heavy duty, sand cast aluminum construction
  • Fins on the lower part where the fluid collects aid in heat dissipation
  • Profile close to stock cover to avoid clearance issues with steering, u-bolts, and suspension
  • Machined gasket surface for a secure seal
  • New mounting bolts included with cover

What Ships With the Cover?

What is in the package with the 12 bolt Ram front cover

PML ships new mounting bolts, fill hole plug and a magnetic drain plug with each cover.

Image at right shows the polish finish cover and what is in the box. Except for the cover, the content is the same for all finishes. Click on image to view larger.

Rear Differential Cover

PML makes a corresponding rear end cover for these Ram trucks. See:

Gasket

PML recommends RTV gasket material. RTV is a type of silicon rubber and it comes in a tube. There are several brands, such as Permatex, and these are readily available at automotive stores like Pep Boys and AutoZone.

Some people use the reusable factory gasket. Please make sure the gasket is clean and free of any nicks. If there is a nick in the gasket, that is where you'll get a leak.

Optional Temperature Sending Unit Machining

This part has an undrilled boss for an aftermarket temperature sensor.

Optionally, PML can drill and tap for a temperature sending unit at the 8 o clock position on the passenger side of the cover. This would be a 1/8 NPT hole and would include a plug.

Inside

PML differential cover for new Ram trucks, inside  Click on image to view larger in a separate tab or window.

This shows the inside of the PML cover. The shape generally follows the shape of the stock cover.

The fill/level check hole is at the same location on the PML cover as on the stock cover.

Click on image to view larger in a separate tab or window.

PML Differential Cover Compared to Stock

PML Differential Cover Part Number 11136 compared to stock   PML Differential Cover Part Number 11136, compared to stock, top view
Click on image to view larger in a new tab or window.