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Teraflex HD Cover for Dana 30 Differential Kit w/ Bolts & Plugs (87-18 Jeep Wrangler YJ, TJ & JK)

Teraflex HD Cover for Dana 30 Differential Kit w/ Bolts & Plugs (87-18 Jeep Wrangler YJ, TJ & JK)
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19 Reviews 2 Answers
Market Price $111.99 You Save 11% ($12.00)
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$99.99 (each)

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  • Item J17794

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    Teraflex HD Cover for Dana 30 Differential Kit w/ Bolts & Plugs (87-18 Jeep Wrangler YJ, TJ & JK)

    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

        Product Resources

        Customer Photos (9) Customer Reviews (19) Questions (2) & Answers (2)
        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.

        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

        MPN# 3990630

        CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

        What's in the Box
        • (1) Differential Cover
        • Hardware
        Installation Info
        Tech Specs
        Will it fit my Wrangler?
        • 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 (9) Submit Your Photo

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        Questions & Answers (2)

        2 Top Rated Questions

        What size bolts and threads are these ? The ones that shipped with covers are junk and snapped off in my Diff at 15 ft-lbs now my rig is down until I can reinstall.

        • The bolts are 5/16"x18 and are about 1 1/4"-1 3/8" in length.

        Helpful (0)

        Does this come with a gasket?

        • No this will just be the HD Differential Cover and the included hardware needed for installation.

        Helpful (0)
        Post Your Question

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        Customer Reviews (19) Write a Review

        Overall Rating 4.8

        out of 5 stars

        • Fit 4.894737 4.9
        • Bang For Your Buck 4.894737 4.9



        • 5/5

          April 07, 2019

          Tera flex Dana 30 cover

          Held up great out on the trails, strong, durable and heavy duty for all the rocky terrain we like to cover!

          Photon1120

          Year: 2013Submodel: Wrangler

          Helpful (0)

        • 4/5

          February 25, 2019

          Diff cover

          Very easy install, bolted right on and looks great. Way better then the stock cover.

          Richard

          Year: 2015Submodel: Wrangler

          Helpful (1)

        • 5/5

          February 01, 2019

          Diff. Cover

          It looks good , and it Fit great!! Glad I purchased it.

          RichM

          Year: 2004Submodel: Wrangler

          Helpful (1)

        • 5/5

          January 28, 2019

          Teraflex HD cover for a Dana 30

          Extremely satisfied with this cover, easy to install and a plus on that drain plug. Dont have to worry about taking off the cover down for an oil change. Looks awesome underneath my 02 TJ.

          JoseF

          Year: 2002Submodel: Wrangler

          Helpful (2)

        • 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?

          GaryN

          Year: 2005Submodel: Wrangler Unlimited

          Helpful (4)

        • 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.

          RichardF

          Year: 2010Submodel: Wrangler

          Helpful (5)

        • 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.

          ToddJ

          Year: 1992Submodel: Wrangler

          Helpful (5)

        • 5/5

          April 06, 2018

          front diff cover

          great fit looks great and easy install total install time around ahour

          BrianM

          Year: 2009Submodel: Wrangler

          Helpful (6)

        • 5/5

          April 05, 2018

          Works

          Product is made well, fits well and looks good. Exactly what I expected from TeraFlex.

          RJ

          Year: 2013Submodel: Wrangler

          Helpful (7)

        • 5/5

          March 06, 2018

          great quality diff covers

          bought ours when it was time for diff fluid change. Great product

          Aurora

          Year: 2016Submodel: Wrangler

          Helpful (5)

        • 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.

          MJ

          Year: 2016Submodel: Wrangler

          Helpful (5)

        • 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?

          Nayla

          Year: 2010Submodel: Wrangler

          Helpful (6)

        • 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

          ChristopherD

          Year: 2013Submodel: Wrangler

          Helpful (6)

        • 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

          MarkM

          Year: 2012Submodel: Wrangler

          Helpful (6)

        • 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.

          PerfessorM

          Year: 2014Submodel: Wrangler

          Helpful (5)

        • 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.

          casamtb

          Year: 2013Ohio, USA

          Helpful (6)

        • 5/5

          February 26, 2015

          Awesome look and perfect protection!

          Product fit right on with no problems. Very noticable underneath and awesome protection

          pepecj123

          Year: 2014Long Island, New York, USA

          Helpful (5)

        • 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.

          Phxrugger

          Year: 2007Phoenix, AZ, USA

          Helpful (7)

        • 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.

          vidal07

          Year: 2009Rio Rancho, NM, USA

          Helpful (6)

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        My dad would always take me trail riding in the Pine Barrens as a kid when I lived in South Jersey, so I’ve always been into four wheel drive trucks and Jeeps. When the time came for me to get a vehicle, I picked up an old Cherokee. I still have that old Jeep strictly for offroading, but after a few...
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