03-14 Dodge and GM 5.9 and 6.7L Full Floating Axle Gm Hd 2500 & 3500
2001 & Up Duramax & 8.1 Liter Gas/Dodge Rear 2003 & Up 2500-Automatic Standard Diesel
This cover is the correct cover for your 14 bolt - 11.5" differential, even though there are only 12 bolt holes. The top and bottom bolts have been removed for drain plug and temperature sending unit hole.
Bolt Pattern has one top and one bottom bolt @ 12:00 O'clock & 6:00 O'clock for quick identification.
OR #AA 14-10.5 Bolt Pattern has two top and bottom bolts @ 11:00 & 1:00 O'clock & 7:00 & 5:00 O'clock for quick identification.
GM Owners. There are brackets on the top bolts, so some modifications will be needed on the brackets or Additional brackets might need to be made.