Riddler Differential cover Reviews, Ratings, Specs & Prices
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Riddler Differential cover

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Product Information

MSRP: $200.00
Average Price: $111.61
Manufacturer: Riddler
Yes: 72 / No: 0

All Riddler covers feature:

* Lifetime Warranty against breakage
* Lip free smooth transition design
* Recessed fasteners
* Made from high grade ductile iron
* CNC Machined
* Recess for locker actuator on Jeep Rubicon Axles
* Stainless Steel Hardware included
* Permatex Ultra Black gasket maker included
* Raised fill plug allows additional fluid for proper lubrication after correcting pinion angle for lifted vehicles.


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Page 1 of 4 1 2 3 4 > Last


samiam2714's Reviews
06-21-2015, 11:57 PM
Price: $109.95
Pros: It works well
Cons: slippery to install
Recommended? Yes

Comments: I installed these on my jeep two years ago after I got back from the rubicon. I really haven't had a chance to wheel with them yet. They work what else can i really say?


samiam2714's Reviews
06-21-2015, 11:57 PM
Price: $109.95
Pros: It works well
Cons: slippery to install
Recommended? Yes

Comments: I installed these on my jeep two years ago after I got back from the rubicon. I really haven't had a chance to wheel with them yet. They work what else can i really say?

Registered User
john02tj's Reviews
05-08-2015, 11:55 PM
Price: $100.00
Pros: very strong
Cons: comes unpainted
Recommended? Yes

Comments: Had a very leaky front D30 diff and decided it needed upgradeing.

Registered User
CZDiesel's Reviews
04-02-2015, 06:10 AM
Price: $100.00
Pros: Pure beef!!! And yes they fit lol
Cons: none
Recommended? Yes

Comments: Riddlers can take about any shot! And they slide nicely over the rocks. A lot has been pushed on how every diff cover but one doesn't work lol The Riddlers do fit and work with Currie steering and front trac bar and rear JKS trac bar


Web Wheeler
T-Jay's Reviews
01-17-2014, 03:05 AM
Price: $220.00
Pros: Indestructible! Also smooth so they glide over the rocks.
Cons: None that I've found. The front one might get into your track bar depending on your set up but that's easily fixed by adjusting your control arm length.
Recommended? Yes

Comments: I spend A LOT of time on the rocks and for that reason these diff covers replaced my beat up old flimsy stock ones. I've also got lockers in the front and rear axles and needed the additional structural rigidity of a solid cover. I'd buy these 100 times over!

Registered User
johnoh's Reviews
07-08-2012, 04:46 AM
Price: $109.00
Pros: all
Cons: non
Recommended? Yes

Comments: i have one on the front and back diff the are great

Registered User
johnoh's Reviews
07-08-2012, 04:44 AM
Price: $109.00
Pros: all
Cons: non
Recommended? Yes

Comments: great product for a good price. it has handled everything i have thrown at it so far

Registered User
wmphoto's Reviews
05-31-2012, 08:46 AM
Price: $103.00
Pros: Bomb Proof
Cons: Haven't found any
Recommended? Yes

Comments: Easy install, easy to maintain... enuf said....

Registered User
JKsJK's Reviews
05-18-2012, 06:03 PM
Price: $109.00
Pros: Bullet proof
Cons: Rust within days unless you clear coat or paint
Recommended? Yes

Comments: You can drive a track-hoe over, enough said. Heavy duty and takes rock hits with ease.

I clear coated mine after rust was showing up after only two wheeling trips.

Registered User
cavmedic's Reviews
03-30-2012, 02:29 PM
Price: $105.00
Pros: Strong, and loocks god
Cons: none
Recommended? Yes

Comments: Great product. They make poison spiders diff cover


Registered User
ScottD16's Reviews
01-26-2012, 02:21 PM
Price: $1.00
Pros: heavy duty and looks awesome
Cons: none
Recommended? Yes

Comments: got for christmas and its awesome slammed right into a rock and didnt do a thing

Registered User
05-Rubicon's Reviews

12-27-2011, 03:37 PM
Price: $109.00
Pros: heavy, indestructible. Fits behind front tie rod, no contact, and has a hex head cap screw, and not a torx, or an allen (like Warns)
Cons: Must paint, or will rust like crazy
Recommended? Yes

Comments: I would get the poison spyder cover, cool spyder. Either way, can't lose with these.

You ever heard of Robocop, this is Robodiff cover, front and rear, love em, lots.

Registered User
stevemongr's Reviews
12-23-2011, 01:52 PM
Price: $80.00
Pros: Raw Iron
Cons: Raw Iron
Recommended? Yes

Comments: Good


Registered User
whitegoat's Reviews
11-06-2011, 12:13 AM
Price: $100.00
Pros: cheap, cast iron, fill plug is higher allows for more fluid
Cons: none
Recommended? Yes

Comments: cheap, they work great, handle abuse, work with rubicons and allow for more oil

Registered User
jeepmare's Reviews
10-21-2011, 11:03 PM
Price: $109.00
Pros: Great product from Riddler
Cons: None
Recommended? Yes

Comments: Great product and can withstand anything you can get into.

Chicken in a Turkey Suit
billzcat1's Reviews
09-07-2011, 01:04 AM
Price: $99.00
Pros: Extremely strong, smooth face slides off rocks, Grade 5 hardware
Cons: Reduced track bar clearance (in some vehicles).
Recommended? Yes

Comments: I installed the Riddler diff cover because the one I originally wanted (the $64 SOLID) cover was out of stock. I was looking for alternatives that didn't cost $170 like the ARB cover and this came up. I found at Jeepforum vendor for $99 shipped which was a great price. Another thing that compelled be to buy it: the Youtube review where it is destroyed using extremely heavy machinery.

The cover comes unpainted but coated in oil to prevent rust. Before installing, be sure to clean it thoroughly. I also heated mine up with a torch to evaporate any oils that had soaked into the porous cast iron. I painted it with Rustoleum Professional Enamel in a spray can and it is holding up nicely, even being dragged through dirt and bounced off rocks.

Other reviews mentioned weak stainless hardware breaking as you torqued the bolts down, but mine came with Grade 5 zinc-plated bolts which had no problems at all. I paired it with a Lubelocker gasket on my Dana 30 and it is 100% leak free.

To date, I have dragged it through rocky dirt in a really rutted area and bounced it off a rock, no problems, barely even scratched the paint.

I've read that TJs sometimes have clearance issues with the Riddler diff cover around the track bar at full stuff. No such issues on my WJ, both with the OEM track bar and with the JKS track bar. It also sticks a little further forward and comes close to the tie rod at full steering lock. However, there's still enough room to get your finger between it and the tie rod, and even more room with the JKS tie rod installed (smaller OD than stock).

Registered User
nwaxtreme's Reviews
09-05-2011, 12:46 AM
Price: $110.00
Pros: Fits perfect and superior quality.
Cons: Little pricey but worth it.
Recommended? Yes

Comments: Very happy with the Riddler cover. Includes stainless bolts.


Washi's Reviews
08-14-2011, 12:38 PM
Price: $110.00
Pros: Smooth, very stout, looks killer
Cons: None
Recommended? Yes

Comments: Easy to see why this is a good upgrade. Like the new locking hardware that it comes with. I like the fact that you can leave it alone or paint it however you want.

Registered User
man44a's Reviews
04-24-2011, 06:36 PM
Price: $100.00
Pros: Heavy, solid, well made.
Cons: Bolts that are included are soft. Do not torque to factory specs
Recommended? Yes

Comments: Heavy, solid, well made.
Bolts that are included are soft. Do not torque to factory specs.


UncleWilson's Reviews
03-19-2011, 05:32 PM
Price: $100.00
Pros: Just watch the Rokmen test video. This thing is pretty darn strong. High fill hole helps with high pinion angle
Cons: None
Recommended? Yes

Comments: Very Nice!

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