PML
AAM 10.5 14 Bolt Differential Cover for Ram – Heavy Duty Aluminum Upgrade
- SKU:
- PMLI-DCASMAS10302AS-0620
- MPN:
- DC-ASM-10302-AC
- Availability:
- Usually ships in 2-7 business days
Description
Enhance the strength and performance of your drivetrain with this AAM 10.5 14 Bolt Differential Cover for Ram, designed to provide superior protection and improved cooling under the toughest conditions. Ideal for towing, hauling, and heavy-duty applications, this upgraded cover helps protect your differential while maintaining optimal performance.
Constructed from high-quality aluminum, this differential cover delivers increased durability compared to factory stamped covers. The rugged design helps shield internal components from damage while improving heat dissipation to keep your differential operating at optimal temperatures.
Engineered as a direct-fit replacement for Ram trucks equipped with AAM 10.5 14 bolt differentials, this cover ensures reliable sealing, enhanced strength, and long-lasting performance.
✅ Key Features:
- Fits AAM 10.5 14 bolt differentials on Ram trucks
- Heavy-duty aluminum construction for maximum strength
- Improves heat dissipation and cooling
- Provides added protection for internal components
- Ideal for towing, hauling, and heavy-duty use
- Direct fit for easy installation and leak-free sealing
Upgrade your differential with confidence and ensure long-lasting durability and protection in demanding conditions.
Volume: 0.8 quart over stock
Dimensions: Click here for dimensions. ![]()
Number of Bolts: 14
PML designed this cover for Ram trucks with the Dodge American Axle Manufacturing (AAM) 10.5 inch rear gear differential.
Benefits:
- Extra capacity
- Open interior and shape similar to stock cover
- Drain, oil fill, and level check holes to make it easy to follow the 15K oil change interval
- Magnetic drain plug and new mounting hardware included
- Finned for heat dissipation
- Heavy duty, sand cast aluminum construction
- Machined gasket flange for a secure seal
- Option for temperature sensor machining
PML also makes a cover for the front differential on these Dodge Ram trucks. See PML AAM 9.25 ring gear, 14 bolt differential covers, part numbers 11118 for the 14 bolt front cover and 11136 for the 12 bolt front cover.
Applications:
This cover fits the American Axle 10.5 inch ring gear differential for Ram.
Many 2003 and newer Dodge Ram trucks can use this cover. For example, some configurations of these vehicles:
- 2003 and newer Ram 2500 gas engine trucks
- 2005 and newer Power Wagon
- 2005 to 2007 Ram 1500 Megacab
Always check your vehicle to verify differential and clearance for a larger cover. Configurations vary.
Some models may an AAM (American Axle Manufacturing) 11.5, 11.8 or 12 inch ring gear differential.
- For 2003 to 2013 Ram 2500 with the AAM 11.5/11.8 ring gear, see PML Part Number 10361
- For 2014 to 2018 Ram 2500 with the AAM 11.5/11.8 ring gear, see PML Part Number 11147
- For 2019 and newer Ram 2500 with the AAM 11.5/11.8/12 ring gear, see PML Part Number 11176
Your truck may have an identification sticker in the glove box or on your driver door that specifies the differential.
Shapes and sizes of stock covers can be compared to PML parts or email PML a picture of your stock cover for assistance.
Optional Temperature Sensor Machining
This differential cover has an undrilled boss for an aftermarket temperature sending unit. Optionally, PML can drill and tap a 1/8 NPT hole. The boss is located on the side below the level check hole.
PML Differential Cover Compared to Stock
Additional Information
Year: |
2003 and up |
Make: |
Dodge |
Model: |
Ram (See Application Chart) |

