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Front Differential Cover, 12 Bolt
For 2013 and Newer Ram 3500
and 2014 and Newer Ram 2500

P/N 11136

PML Front 2500/3500 Differential Cover For Ram, view 1
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PML Front 2500/3500 Differential Cover For Ram, black powder coated
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New picture coming soon!

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: 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 a bolt on replacement for 2014 and newer Ram 2500 and 2013 and newer RAM 3500 trucks. Ram changed to this 12 bolt American Axle 9 1/4 inch 235mm front to improve gas mileage.

This PML cover is heavy duty, sand cast aluminum with a low profile for clearance. Fins on the lower part where the fluid collects aid in heat dissipation.

Because of many clearance issues with steering, u-bolts, and suspension, PML maintained a low profile with partial fins with this cover. The PML cover is larger than the stock cover so please check your truck carefully to make sure you have space for a larger cover.

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.

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.

We have one of these covers in the polish finish on special.

Rear Differential Cover

PML makes a matching rear end cover for these Ram trucks. Please see the AAM 11.5" ring gear, 14 bolt cover (click here) or the AAM 10.5" ring gear, 14 bolt cover (click here).

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

This part has an undrilled boss for a temperature sensor. The option to have PML drill and tap the boss will need to be ordered over the phone, not on-line, and there is an additional charge of $40 per hole.

Inside

PML differential cover for new Ram trucks, inside

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.

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PML Differential Cover Compared to Stock

PML Differential Cover Part Number 11136 height compared to stock  PML Differential Cover Part Number 11136, compared to stock
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These images show this PML differential cover compared to the stock cover.

Installations

PML Differential Cover on 2013 Ram 3500

Gino installed the PML front differential cover on his 2013 Ram 3500 6.7. His truck has the radial suspension. He reported that the cover fit fine with plenty of clearance. Our thanks to Gino for choosing PML and sending us pictures.

2013 Ram 3500   Stock 12 bolt Dodge front cover, 2013 Ram 3500   Stock 12 bolt Dodge front cover, side view, 2013 Ram 3500

PML 12 bolt front cover, 2013 Ram 3500, passenger side view with fill hole   PML 12 bolt front cover, 2013 Ram 3500   PML 12 bolt front cover, 2013 Ram 3500, side view
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PML Differential Cover on 2014 Ram 3500

Corey installed his cover and matching PML rear cover, Part Number 10361, on his 2014 Ram 3500 Tradesman Crew Cab Short Bed, SRW, 6.7 Diesel, G5 truck. On CumminsForum.com, he posted:

[I]nstalled my PML covers today. Probably should have just put the rear on and forgone the front one but they look good together. The front was a tad harder, took a allen wrench and ground about half an inch off of the short end and it would fit under the front bar that goes across the front top of the diff cover ( had to come in from the top). Other then that it was pretty painless.

Both are thick guys, thought quality was really good.

Our thanks to Corey for sharing his comments and pictures.

2014 Ram 3500 with PML differential cover, front axle   Thick flange on PML cover   PML rear AAM 11.8 differential cover on 2014 Ram 3500
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PML Differential Cover on 2014 Ram 2500

Andrew Lowe installed this cover on his 2014 Project Bloodhound Ram 2500 4x4 6.7 Turbo Diesel. He also installed PML RFE transmission pan, part number 10304 and PML rear cover, part number 10361. Andrew reported there was plenty of room in the front for the larger PML cover.

The images below show the stock cover, this PML cover in the cast finish installed on the truck before it was customized, this PML cover in custom red powder coat after the truck is lifted.

Stock 12 bolt Dodge front cover, 2014 Ram 2500   PML 12 bolt Dodge front cover, 2014 Ram 2500   PML 12 bolt Dodge front cover, 2014 Ram 2500, lifted, custom red powder coat
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Our thanks to Andrew for including PML on his project.

PML Differential Cover on 2014 Ram 3500

Kelderman Manufacturing installed this cover on their 2014 Ram 3500. To show it off, they polished a cast finish cover. Truck is lifted and modified.

2014 Ram 3500 with PML front differential cover   2014 Ram 3500 with PML front differential cover
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Our thanks to Kelderman for selecting PML covers and pans for their trucks.

PML Differential Cover on Trucks With Factory Air Ride Suspension

Troy has a 2015 Ram 3500 SRW Crew Cab 4x4 6.7 AS69RC transmission with the factory air ride suspension. He installed this PML front cover and matching rear cover, part number 10361. After several months, he reported that the cover fits fine and he had no clearance issues.

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.