Fits: 2001-2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML/L5P Duramax Diesel with AAM 11.5" Rear Axle

This cover is the appropriate fit for your 14 bolt-11.5 differential, despite featuring only 12 holes. The removal of the top and bottom bolts accommodates the drain plug and temperature sending unit hole.

Features: 

• 8 Quart Capacity 
• Overall height: 3 5/8″
• Finned housing constructed of aircraft aluminum 
• Pre-drilled and tapered 1/8" sender port 
• Easy installation
• Easy non-removal cover maintenance
• Limited lifetime warranty for cover 
• 5-year warranty for O-rings 

Includes: 

• Mag-Hytec Differential cover
• Bolt kit 
• Magnetic drain Plug 
• Dipstick

Notes: 

• Although there are only 12 bolt holes, this cover ensures proper fitment for your 14 bolt - 11.5" differential. This is because the top and bottom bolts have been utilized for the drain plug and temperature sending unit hole. 
• There are brackets on the top bolts, so some modifications will be needed on the brackets or additional brackets might need to be made.