2001-2019 Duramax 2500/3500HD Rear Differential Cover - PPE

Help keep your rear differential running cool and clean with an upgraded differential cover from PPE. Made in the USA from high-quality cast aluminum for strength and optimum heat dissipation. Combined with the largest set of cast cooling fins in the industry, found both inside as well as outside the pan, PPE’s differential covers offer industry-leading fluid cooling.
 
Features:
1.5 quarts increased fluid capacity
High-grade A356.0-T6 heat treated cast aluminum alloy
Neodymium magnet equipped fill plug
Internal and external cooling fins
Stainless steel Allen head fasteners