Free Shipping on Orders Over $75. Details

Talk to Wrangler Enthusiasts
1-877-870-8556
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $15,000!! Enter Now
Coronavirus: We are Open For Business, Prioritizing health and safety Learn More

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

Item J17794
Call a Wrangler Enthusiast at 1-877-870-8556
M-F 8:30A-11P, Sat-Sun 8:30A-9P
$0.00
Market Price $111.99 You Save 11% ($12.00)
Our Price

$99.99 (each)

FREE Shipping

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
In Stock  

Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Protects Moving Parts of Differential from Obstacles on the Trail
      • Constructed of High-Strength Ductile Iron
      • Installs Easily
      • Fits 1987-2018 Jeep Wrangler Models

      Description

      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

      4.9

      Customer Reviews (22)

      Write a Review

      Ratings Summary

      4.9 out of 5 overall rating from 22 customers




      • March 01, 2020

        5 2007 Wrangler - Sotbd

        Rugged and well built.

        This is heavy and seems well built. Had no issue with using the hardware that came in the box. Everything torqued up nicely. I used teflon tape on both plugs. My fill and drain plug are nice and flush with he cover when tight. Chose this over the Spyder due to the drain, it makes changing the gree oil much faster. Super easy install.

        Helpful (0)
      • November 25, 2019

        5 2006 Wrangler - VernonN

        Perfect

        Great upgrade while doing the gears and limited slip.

        Helpful (1)
      • July 26, 2019

        5 2018 Wrangler - PeterF

        heavy duty diff cover

        this is a quality extremely heavy duty diff cover.

        Helpful (1)
      • April 07, 2019

        5 2013 Wrangler - Photon1120

        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!

        Helpful (1)
      • February 25, 2019

        4 2015 Wrangler - Richard

        Diff cover

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

        Helpful (2)
      • February 01, 2019

        5 2004 Wrangler - RichM

        Diff. Cover

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

        Helpful (3)
      • January 28, 2019

        5 2002 Wrangler - JoseF

        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.

        Helpful (3)
      • August 04, 2018

        4 2005 Wrangler Unlimited - GaryN

        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?

        Helpful (5)
      • July 13, 2018

        5 2010 Wrangler - RichardF

        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.

        Helpful (7)
      • June 01, 2018

        5 1992 Wrangler - ToddJ

        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.

        Helpful (7)

      Questions & Answers (2 answers)

      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

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Differential Cover
      • Hardware

      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