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Teraflex HD Cover for Dana 30 Differential Kit w/ Bolts & Plugs (87-18 Jeep Wrangler YJ, TJ & JK)
Market Price $100.00
You Save 11% ($10.71)
Our Price
$89.29 (each)
FREE Shipping- Item J17794
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MPN# 3990630
In Stock Ships same business day.
Ship to: Ashburn - 20149
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Teraflex HD Cover for Dana 30 Differential Kit w/ Bolts & Plugs (87-18 Jeep Wrangler YJ, TJ & JK)
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Features & Details
- Protects Moving Parts of Differential from Obstacles on the Trail
- Constructed of High-Strength Ductile Iron
- Installs Easily
- Fits 1987-2018 Jeep Wrangler Models
Construction. Constructed from high-strength, 3.8-inch thick ductile-iron, the TeraFlex HD Differential Cover is durable enough to last for a long time.
Function. It is designed to provide extreme protection to the moving parts of differential under the jeep. It keeps away rocks, debris and other obstacles while driving in extreme trails.
Installation. It includes bolts and plugs for easy installation.
Fitment. This Dana 30 differential cover is designed to fit all 1987-2018 Jeep Wrangler YJ, TJ and JK models equipped with a Dana 30 axle.
Function. It is designed to provide extreme protection to the moving parts of differential under the jeep. It keeps away rocks, debris and other obstacles while driving in extreme trails.
Installation. It includes bolts and plugs for easy installation.
Fitment. This Dana 30 differential cover is designed to fit all 1987-2018 Jeep Wrangler YJ, TJ and JK models equipped with a Dana 30 axle.
Fitment: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Details
CA Residents: 
Warning: California's Proposition 65
- What's in the Box
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- Installation Info
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Installation Time: (approx) 30 Minutes
Difficulty Level:Simple installation for anyone
- Tech Specs
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- Will it fit my Wrangler?
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- JK Rubicon 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- JK Rubicon 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- JK Wrangler 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- TJ Rubicon 2 Door - 03, 04, 05, 06
- TJ Rubicon Unlimited 2 Door - 05, 06
- TJ Wrangler 2 Door - 97, 98, 99, 00, 01, 02, 03, 04, 05, 06
- TJ Wrangler Unlimited 2 Door - 04, 05, 06
- YJ Wrangler 2 Door - 87, 88, 89, 90, 91, 92, 93, 94, 95
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Customer Photos (6) Submit Your Photo
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Questions & Answers (1)
1 Top Rated Question
Does this come with a gasket?
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No this will just be the HD Differential Cover and the included hardware needed for installation.
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Customer Reviews (15) Write a Review
Overall Rating
out of 5 stars
no one in the world ever gets what they want, and that is beautiful
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4/5
August 04, 2018
Nice fit, looks great! But
I’m happy with my whole purchase of the Teraflex front and rear covers other than the drain plug in the front cover. The cover is made to help protect the front differential from hits of objects unknown. Then why is a lower drain plug sticking out of the cover at least a 1/4” so it could possibly take that blunt hit and cause really bad damage? The rear plugs are nice an flush- why not the front? Called Teraflex and got a great answer ( not) “we’ve always made then that way”. Ever hear of changes to made something better?
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5/5
July 13, 2018
Impressed with Teraflex!
I am impressed with the quality of the Teraflex Dana 30 differential cover. It's won't have any problems with rocks or ice. They even sent drain plugs and plugs. I will be checking out their other products.
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5/5
June 01, 2018
Very sturdy and love the drain plug
This item is very sturdy and has a drain plug, which I was looking for on my YJ.
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5/5
April 06, 2018
front diff cover
great fit looks great and easy install total install time around ahour
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5/5
April 05, 2018
Works
Product is made well, fits well and looks good. Exactly what I expected from TeraFlex.
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5/5
March 06, 2018
great quality diff covers
bought ours when it was time for diff fluid change. Great product
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5/5
September 06, 2017
Great upgrade
This is a far beefier piece then what you start with. It's solid and looks great when installed.
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5/5
August 16, 2017
Good looking
The diff cover is a good thickness. Thicker than the OEM, that's for sure. If you like to keep your underside looking in uniform than , front and rear will help your look. I'm a jeep owner that will slightly wash the underside but, also spray paint as well. Keeps it looking clean after the dirty days?
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4/5
May 22, 2017
Teraflex dif cover
Works and looks great. Great way to protect your investment made in your gears. Very heavy durable product
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5/5
April 12, 2017
nice cover
This is a nice cover and a good price. Its heavy and fits good. Adds a nice look as well
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5/5
August 24, 2016
Easy and looks great
The only reason that it takes a little longer to install is because you have to do a fluid change at the same time, replace the gasket, and retorque the bolts. The installation is no different than a factory cover.
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5/5
June 14, 2015
Good quality and value
Typical Teraflex no frills high quality product. Solid and perfect finish. The D30 was powder coated inside and out. Recessed bolt design offers protection against flattened bolt heads and there is a drain plug in the front that is positioned to fully drain the housing where the OEM drain will not. Drain plug is not magnetic though so you will still want to wipe gunk from OEM magnetic plug. Only gripe is the 9mm hex fill plug means you have to make sure you throw one of those in the tool bag.
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5/5
February 26, 2015
Awesome look and perfect protection!
Product fit right on with no problems. Very noticable underneath and awesome protection
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5/5
April 10, 2014
Good product, easy install
Overall this is a simple no brainer install. The hardest part the cover is the dif fluid.
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5/5
May 30, 2013
this product is great and look nice and heavy duty
This product fit perfectly on my jeep jk unlimited x with out any modification . Very easy to install and also provide armor on my differential. It also provide a great look on the vehicle. I have the teraflex Dana 30 and 44 on my jeep and it looks amazing.
Word On The Trail
Never had anything but the best on line experience with Extreme Terrain.com. Prices are always competitive. I have spoken with customer service and they have been very helpful and friendly. Shipping is always fast and has been free on items over $75. I will use them for all of my Jeep needs.
Meet Our Team
Chris S, 1997 Jeep Wrangler TJ
Post Production Artist
Never owned a wrangler, was a big motorcycle and sports car fan. I wanted a simple vehicle that would go wherever I wanted and was easy enough to work on.
Never owned a wrangler, was a big motorcycle and sports car fan. I wanted a simple vehicle that would go wherever I wanted and was easy enough to work on.
