PML
Dana 80 Differential Cover – Patterned Fins – Heavy Duty Aluminum Upgrade
- SKU:
- PMLI-DCASMAS9520-0620
- MPN:
- DC-ASM-9520-AC
- Availability:
- Usually ships in 2-7 business days
Description
Enhance the performance and protection of your drivetrain with this Dana 80 Differential Cover with Patterned Fins, designed to deliver improved cooling and durability under extreme conditions. The patterned fin design increases surface area for enhanced heat dissipation, helping maintain optimal differential temperatures during towing, hauling, and heavy-duty use.
Constructed from high-quality aluminum, this differential cover provides superior strength compared to factory stamped covers while offering added protection for internal components. The unique fin pattern not only improves cooling efficiency but also adds a bold, performance-inspired appearance.
Engineered as a direct-fit replacement for Dana 80 differentials, this cover ensures dependable fitment, secure sealing, and long-lasting reliability.
✅ Key Features:
- Fits Dana 80 differentials
- Patterned fin design for enhanced heat dissipation
- Heavy-duty aluminum construction for strength and durability
- Provides added protection for internal components
- Ideal for towing, hauling, and heavy-duty applications
- Direct fit for easy installation and leak-free sealing
Upgrade your differential with confidence and enjoy improved cooling, enhanced durability, and long-lasting performance.
Volume: 0.75 qt. over stock
Dimensions: Click here for dimensions. 
Number of Bolts: 10 bolts
Benefits:
- Drain hole and magnetic drain plug
- Extra capacity and flat face for clearance to sway and pan hard bars
- Patterned fins for heat dissipation and a custom look
- Fill/level check hole corresponding to stock cover
- Sand cast aluminum construction for strength
- Thick walls and gasket flanges to provide a uniform clamping force on the gasket surface for a secure seal
PML makes two covers for the Dana 80. PML Part Number 6065 is a straight fin Dana 80 cover with a round shape.
Applications:
This differential cover fits Dana 80 differential. Many heavy duty Dodge, Ford and GM trucks, espeically duallies, have the Dana 80. Some possible applications are:
- 1994-2002 Dodge Ram 2500 with manual transmission (trucks with the automatic transmission have a Dana 60/70)
- 1994 to 2002 Dodge Ram 3500
- 1989 to 1997 Ford F350 Dually
- 1999 and newer Ford F350 Dually (Ford did not make an F350 in 1998)
- 1988 to 2004 F450
- 2011 to 2013 F450
- 1991 to 2002 GM C3500HD
Always check your truck to verify differential and look for clearance. Configurations vary from vehicle to vehicle.
Optional Machining for a Temperature Sending Unit
This cover can be machined for a temperature sending unit. The hole for this goes in the face of the differential cover. So the temperature sending unit probe would be perpendicular to the face. A plug is included for the hole.
PML Differential Cover Compared to Stock

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These images show this PML differential cover compared to the stock cover.
Additional Information
Year: |
1988-2004 |
Make: |
Dodge / Ford / GM |
Model: |
Heavy Duty Trucks (See Application Chart) |