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PML Rear Differential Cover for American Axle 11½" (292mm) Ring Gear, 14 Bolts
For Ram 2500 2014 and newer

Part Number 11147

PML AAM Diff Cover For New Dodge Trucks, raw casting  
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PML AAM Diff Cover For New Dodge Trucks, black powder coated finish  
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PML AAM Diff Cover For New Dodge Ram 2500 Trucks, polished finish  
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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: about 1/2 quart over stock at factory fill level

Dimensions: About 3/8 inch deeper than stock. Click here for dimensions.

Benefits

  • Designed for 2014 and newer Ram 2500
  • Clears sway and pan hard bars for the coil suspension, no modifications needed
  • Additional capacity: approximately 1/2 quart over stock at factory fill level
  • Fins for dissipating heat from fluid
  • Level check holes on side at the stock fill level line and at stock fill level hole
  • Fill holes on top and the side
  • Drain on bottom for easy servicing
  • Boss (unmachined) if needed for temperature sending unit
  • Cover comes with new mounting bolts, fill plugs, and magnetic drain plug, all included
  • PML standard top quality heavy duty sand cast aluminum construction

Applications

2014, 2015, 2016 and 2017 Ram 2500 trucks feature coil suspension and have a sway (stabilizer) bar and pan hard rod right behind the stock cover. This cover works without modification on trucks with or without the optional air suspension add-on to the link coil suspension.

This rear cover fits the American Axle 11.5, 11.8 inch (300mm, 292mm) ring gear, 14 bolt differential, found on many Ram trucks, 2003 and newer. Trucks without the pan hard and sway bars can also use PML Part Number 10361.

Always check your truck to verify your differential and clearance.

Our thanks to those who have provided information and pictures of their trucks and worked with us during development of this cover.

Level Check and Fluid Fill Holes

Fill hole is near the top of the cover, about the 1 o'clock position. The top level check hole can also be used to fill.

This PML differential cover has two level check holes. The bottom of one hole is at the same location as the bottom of the stock cover oil fill hole. The bottom of the other hole is at the same location as the stock cover fluid level line. Follow your factory directions to fill with the correct amount of fluid.

Stock Cover Level Info   Fluid Level Info   PML AAM Diff Cover For New Dodge Trucks, next to stock cover
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Both the stock cover fluid level line and the fill hole are on the face of the stock cover. PML puts the holes on the side for easier access.

Note: Locations are approximate. Installer must verify fit and fluid capacity.

Optional Machining for Temperature Sending Unit

This cover will also have an undrilled boss for a temperature sensor. It can be machined for a 1/8 NPT. If you want PML to drill and tap the boss, there is a $40 machining charge.

Front Cover for 4WD Trucks

PML makes a front differential cover these Dodge Ram trucks. On our front covers, PML keeps the profile close that of the stock cover to avoid interference with the steering, frame or suspension.

2013 and newer Ram 3500 and 2014 and newer Ram 2500 trucks have a round front end stock cover with 12 bolts. Please see PML's 12 bolt front differential cover.

Pre 2013/2014 trucks have the AAM 9.25 14 bolt cover and would need PML's 14 bolt front differential cover.

PML Differential Cover Compared to Stock

PML Differential Cover Part Number 11147 height compared to stock  PML Differential Cover Part Number 11147, compared to stock
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These images show this PML differential cover compared to the stock cover.

Installations

Our thanks to our customers for their feedback, pictures, and videos.

2014 Ram 2500 4x4 6.7, Video of Installation

CJC Offroad installed this cover on their 2014 Ram 2500 4x4 and shot a video of the installation:

CJC installed a prototype cover (first design). The current design has a bit more clearance and a pad for the brake line bracket.

2014 Ram 2500 4x4 6.7

Brian installed this cover on his 2014 Ram 2500HD 4x4 6.7L with coil suspension. His truck does not have the air suspension, which is an optional upgrade. Brian reported that "the rear cover install went pretty easy." He also said that "The only downside is the cover looks so nice, it brings attention to how weathered my rear axle looks. I'll have to repaint it in the spring.".

2014 Ram 2500 6.7 stock rear differential cover 2014 Ram 2500 6.7 4x4 Stock Rear Differential Cover    2014 Ram 2500 6.7 PML rear differential cover installed 2014 Ram 2500 6.7 4x4 PML Rear Differential Cover Installed    2014 Ram 2500 6.7 PML rear differential cover installation finished 2014 Ram 2500 6.7 4x4 PML Rear Differential Cover Installation Finished
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2015 Ram 2500HD 4x4 6.4L Hemi, Coil Suspension

Jimmy installed our prototype cover on his 2015 Ram 2500HD 4x4 6.4L, which he uses for towing. He dropped the sway bar to make swapping the covers easier. Our thanks to Jimmy for his great write-up about his installation and pictures.

Read Jimmy's: Ram 2500 Installation Notes

2015 Ram 2500 6.4 with PML rear end cover installed 2015 Ram 2500 6.4 4x4    2015 Ram 2500 6.4 with PML rear end cover installed Sway Bar Dropped And Cover Removed    2015 Ram 2500 6.4 with PML rear end cover installed PML Differential Cover Installed on 2015 Ram 2500   
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2016 Ram 2500 4x4 6.7L Diesel

Ruben installed this cover on his 2016 Ram 2500HD 4x4 with the 6.7 Cummins diesel. He loosened both sides of the sway bar with a 15mm wrench to make swapping the covers easier. The stock bolts needed a 13mm wrench. He decided to fill to the bottom of the lower hole, which is the same location as the fill line on the stock cover. He added 4½ quarts, which is exactly ½ quart over his stock capacity of 4 quarts.

2016 Ram 2500 6.7   2016 Ram 2500 6.7 stock differential cover   2016 Ram 2500 6.7 rear differential
2016 Ram 2500 6.7   2016 Ram 2500 6.7   2016 Ram 2500 6.7 with PML differential cover
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2017 Ram 2500 6.7L Diesel

Allen installed this cover on his 2017 Ram 2500HD with the 6.7 Cummins diesel.

2017 Ram 2500 6.7 getting new PML cover   2017 Ram 2500 6.7 PML differential cover installed
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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.