AFE Power Rear Differential Cover, Raw Finish; Street Series

2001 - 2008 6.6L GM Duramax LB7 LLY LBZ LMM LML L5P
2003 - 2018 5.9L / 6.7L Cummins with 14-11.5 Axles

SKU NWD-46-70010


aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable die-cast A380 aluminum with reinforced ribs for maximum strength.

This cover comes with all necessary hardware for a hassle-free installation.

  • Features
  • Videos
  • Instructions
  • Vehicle Fitment

5 Quart Oil Capacity:
This cover has a 5 quart capacity.

Built-in Internal/External Fins:
Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling.

Optional Accessories Available:
Our optional oil level sight glass (Part Number: 46-00001) and deep reach magnetic fill plug (Part Number: 46-00002) are great additions to combine with this cover.

Note: This cover fits the AAM 11.50-14 Bolt Axles, on both Dually and Single rear wheel models

When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

This Cover Fits:
2001-2017 GM Duramax V8-6.6L (td)
2001-2007 GM 3500 V8-8.1L
2003-2012 Dodge/RAM Cummins L6-5.9L/6.7L (td)
2013-2015 RAM Cummins L6-5.9L/6.7L (td) Leaf Spring Only
(Does not fit coil spring suspension)


2001 - 2017

GM Duramax

6.6L LB7 / LLY / LBZ / LMM / LML / L5P

2003 - 2012


5.9L / 6.7L

2013 - 2015


6.7L (Leaf Spring Only)