Front 12 bolt differential cover for 2011 and newer GMC/Chevrolet 2500HD, 3500HD trucks.
Magnetic drain plug and new mounting hardware included.
Volume: 1/2 quart over stock

Just 5/8 inch deeper than stock at the top of the finned area at the bottom of the cover
Number of Bolts: 14 holes, 12 large holes for bolts, 2 small holes for brackets/clips for cables
Benefits:
- Includes mounting holes for factory wire harness installation
- Curved shape similar to stock cover
- Maintains clearance for better fitment
- Drain and magnetic drain plug included
- Heavy duty, sand cast aluminum
- Finned for heat dissipation
- Extra capacity
- Made in USA
The shape of the PML cover is similar to the OEM cover to avoid clearance issues. Cooling fins on the bottom help with dissipating heat from the fluid. Drain on the bottom for easy fluid changes and a magnetic drain plug is included. Fill/level check is at the same location as the stock cover fill/level check.
Ring gear is 9.25 or 9.5.
PML designed this cover for the front differential on 2011 and newer GM heavy duty trucks such as:
- 2011 to 2025 Chevrolet Silverado 2500 HD
- 2011 to 2025 Chevrolet Silverado 3500 HD
- 2011 to 2025 GMC Sierra 2500 HD
- 2011 to 2025 GMC Sierra 3500 HD