GM / Dodge AAM 11.50 Differential Cover

Name: GM / Dodge AAM 11.50 Differential Cover
Brand: Ruff Stuff Specialties
SKU: R1412-Kit-1
Price: 138.55 USD
Availability: InStock

Part Number: R1412-Kit-1

Shipping Weight: 22.0 lb

$138.55 ~~$163.00~~

Shipping calculated at checkout.

Description

GM / Dodge AAM 11.5 Differential Cover

Built from 3/8" steel to take hits and seal tight — lifetime guaranteed.

This heavy-duty differential cover is built for the AAM 11.5" axle found in GM and Dodge trucks, including the AAM 11.8" variant used from 2013–2018. It's made from a single piece of 3/8" plate steel, bent in eight places for strength, then welded to a matching 3/8" steel ring. Once welded, the mounting surface is machined flat for a precision seal.

A 1" fill plug makes it easy to check or top off gear oil, even on the trail. Whether you're hauling heavy loads or wheeling hard, this cover is built to handle real-world abuse without warping, cracking, or leaking. Each one is made to order and includes the necessary hardware for installation.

Key Features

Part Number: R1412
Also fits AAM 11.8" axles (2013–2018)
Does not fit AAM 12.0" axles (2019+ Ram 3500)
3/8" (.375") plate steel construction
Machined flat sealing surface
1" diameter fill plug for easy servicing
Diff cover bolts included
Lifetime warranty on differential covers

Fits AAM 11.5" axles:

GM Duramax: 2001–Current
Dodge: 2004–Current

What's Included

(1) Welded differential cover – AAM 11.5"/11.8"
(1) Fill plug (pre-installed)
(Bolts) Complete hardware set for installation

Note

Bolt-on installation. Fits AAM 11.5" axles in 2001+ GM and 2004+ Dodge trucks, as well as AAM 11.8" axles from 2013–2018. Does not fit 2019+ Ram 3500s with AAM 12.0" axles. This product is made to order — please allow extra processing time. Lifetime warranty on all differential covers.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

Power wagon protection

Most of the time I hear of people buying guards to protect the differential cover from getting bent in or peeled away and causing a leak. These covers are cheaper than the guards but extremely well built and strong I have complete faith my gears are safe. The covers were very easy to get ready for paint and I love the way it looks on my truck.

Sick

These look super sick and i can bash them off everything, and the new hardware sets it off as well

Talk about major BEEF!

After dragging my differential though some rocks on a recent trip though Death Valley I thought it would be a mess if I blew out my thin AAM cover in the middle of BFE. This diff cover answered the call. Being someone who wheels a full size pickup like it's a Jeep this is cheap insurance and it looks pretty dang good. The only down side is the hardware included was starting to rust and missing 2 bolts and washers. I ended up buying some gold zinc flange head bolts for pretty cheap and getting the cover installed. Can't go wrong with these covers that's why I have one front and rear on my Ram 2500.

No Brainer

This thing is clear and cut as it gets, buy one for your self. Fresh lube locker gasket, new bolts and washers, and a perfectly crafted US made diff cover. to seal the deal, dang that huge fill port is something I didn't know I needed.

King of Arizona? KOFA for short.

Mutilated the stock diff cover in CO mountains not long after buying a new Ram 3500 back in 2016. Got a temp repair up in Grand Junction. Actually I can't remember if I put another tinfoil OEM rear diff cover on or not? But ordered up a Ruff Stuff diff cover/boat anchor as soon as I could back in AZapped. No complaints and no leaks. In fact I hardly ever think about it! I only check in every few years to see if they have a front diff cover available so the truck can be balanced again ;)

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