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Volume: about 0.6 quarts over stock
Dimensions:
Click here for dimensions.
Number of Bolts: 14
2019 and newer Ram 2500 and Ram 3500 trucks may have this new American Axle Manufacturing (AAM) 14 bolt differential. The ring gear may be 12 or 11.8 or 11.5 inches.
PML designed this differential cover based on the stock cover from a 2019 Ram 2500, which has a slightly different shape and bolt hole pattern than 2018 and older trucks.
Check your factory fluid change procedure before ordering. The level check hole on the PML cover is about 3/8 inch diameter. If you need a large level check hole, for example a hole you can stick your finger in, you would need to use a tool or this cover may not work for you.
Benefits:
- Drain and magnetic drain plug included
- Heavy duty, sand cast aluminum
- Finned for heat dissipation
- Works with brake line bracket, no modification needed
- Clears sway and pan hard bars on trucks with coil suspension
- Extra capacity
We have seen this new differential on:
- 2019 Ram 2500 and 3500
- 2020 Ram 2500 and 3500
- 2021 Ram 2500 and 3500
Always check your truck to verify your differential and clearance. Configurations vary.
We do not know if all trucks or just some are getting these newer differentials.
PML also makes a rear differential cover for 2020 GM 2500 and 3500 trucks.
For information on a matching front cover, see PML Part Number 11136.
For a rear differential cover for 2014 to 2018 Ram 2500, see PML Part Number 11147.
For a rear differential cover for 2018 and older Ram 3500 and 2013 and older Ram 2500 trucks with the AAM 11.5 or 11.8, see PML Part Number 10361.
2021 Ram 3500 Diesel
Jeff installed this differential cover and PML front cover, PML Part Number 11136, on his 2021 Ram 3500 6.7 Diesel, Single Rear Wheel, truck.
2021 Ram 3500
PML front differential cover installed
PML rear differential cover installed
Close up of clip at 3 oclock position
Close up of bracket at 11 oclock position
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2019 Ram 2500 Diesel
Craig installed this differential cover on a 2019 Ram 2500 diesel with stock pan hard and sway bars. He used the stock bolt for the clip on the right side after removing the bolt flange. He unbolted the track and sway bars for the installation and added about 4 3/4 quarts of fluid total.
Stock rear differential cover
Bolts
PML cover installed
No clearance issue with panhard and sway bars
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2019 Ram 2500 Diesel Hellwig Sway Bar
This part was successfully installed on a 2019 Ram 2500 Diesel Truck with coil suspension and a Hellwig sway bar.
Our thanks to Dave for working with us. Pictures from his installation are below:
2019 Ram 2500 stock differential cover
Draining fluid from 2019 Ram 2500 differential
PML differential cover installed
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2019 Ram 2500 6.4 Hemi
Marco installed this PML cover on his 2019 Ram 2500 6.4 gas engine truck. He used Royal Purple 75w140 and reused original gasket.
2019 Ram 2500 6.4L Hemi
stock cover
PML cover installed, clears pan hard and sway bars
PML cover installed
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2019 Ram 3500 Diesel
Don installed PML front and rear differential covers on his 2019 Ram 3500 4x4 SRW with the 6.7 Diesel. Installation was straight forward and he did it in his driveway.
2019 Ram 3500 4x4
Stock front and rear differential covers
PML front differential cover installed
Side view of PML rear differential cover installed
PML rear differential cover installed
Stock brackets work with PML cover
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Drain, Fill and Level Check, and Optional Temperature Sensor Machining
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On this PML cover, the level check is the small hole on the right/passenger side. There is a fill hole on the top and drain on the bottom.
A magnetic drain plug and plugs for the level check and fill holes are included.
Check your factory fluid change procedure before ordering. The fluid level check procedure is the same with the stock cover as with the PML cover. On the PML cover, the level check hole diameter is about 0.300 (3/8) inch. If a larger level check hole is needed (for example, if you need to stick your finger in the level check hole), contact PML.
If this cover is ordered with 1/8 NPT hole for an aftermarket temperature sending unit, the hole will be machined on the left/driver side of the cover at about the 8 o'clock position. A plug is provided. Machining for a temperature sensor is OPTIONAL.
Inside of PML Cover
Gasket on PML cover
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Included With PML Cover
PML includes new mounting bolts, fill plug, level check hole plug, and a magnetic drain plug with each cover. The washer for the magnetic drain plug can be reused.
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Stock Covers
The covers and gaskets for 2019 and newer and pre–2019 are similar to earlier years but NOT interchangeable.
2019 and newer Ram stock cover. Outside and inside.
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2003 to 2018 Ram 3500 stock cover (also some 2003 to 2013 Ram 2500) and 2014 to 2018 Ram 2500 stock cover.
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Gaskets
First picture shows 2019 and newer gasket next to an older gasket for 11.5, 11.8 differentials. Second and third pictures shows an attempt to put the older gasket on a 2019 Ram 2500 stock cover.
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These pictures show a gasket from a pre-2019 AAM 14 bolt cover on a 2019 Ram 2500 truck. The top and bottom bolt holes lined up but none of the other holes.