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RT Off-Road Aluminum Valve Covers (93-04 4.0L Jeep Wrangler YJ & TJ)

ExtremeTerrain no longer carries the RT Off-Road Aluminum Valve Covers (93-04 4.0L Jeep Wrangler YJ & TJ). Please check out Jeep Engine Parts for an updated selection.

Features, Video & Details

  • Valve Cover Kit
  • Aluminum
  • 29 inches long, 6 inches wide, 4.5 inches tall
  • Black
  • One Complete Kit
  • For 4.0L Engines
  • Dresses Up Engine Compartment
  • Direct Replacement Parts
  • Accomodates Oversized Cams
  • Oil Cap Included
  • Bolt-On Components
  • 1993-2004 Jeep Wranglers (YJ & TJ w/ 4.0L)

Review & Installation Video

Review & Install Video

Key Features. Instead of just modifying the exterior and interior of your rig to look tough and impress people, turn some of your attention to the engine compartment. This Valve Cover Kit does a great job of making everything look cleaner and nicer under your hood. Not only that, it boosts functionality by providing more clearance than the stock cover. That means you can throw in some oversized camshafts or high clearance rocker arms without any issues.

Construction. Made of lightweight yet strong aluminum, this Valve Cover Kit is designed to be just as tough as the stock components. The black finish can withstand high temperatures, plus some blows to keep looking great year after year. You only need to wipe it down periodically, and the kit will keep impressing everyone who sees your engine.

Installation. Most people should be able to install this Valve Cover Kit without any real problems, although it could easily take a couple of hours or so to get in properly. The work is mostly tedious and not difficult, but you should have at least moderate automotive skills, or some experienced help. A socket wrench and torque wrench are the main things you will need to successfully complete this install.

Application. This Valve Cover Kit is designed to work on all 1993-2004 Jeep Wranglers (YJ & TJ) with the 4.0L engine

Fitment: Details

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (1) Valve Cover
  • (1) Gasket
  • Hardware
Installation Info
Will it fit my Wrangler?

    Customer Photos (3) Submit Your Photo

    View All 3 Photos

      Questions & Answers (6)

      5 Top Rated Questions

      2004 jeep 4.0l, 1st, does it require silicone? 2nd, do you use the grommets from the old valve or just the screws to hold it on? Sorry it didn't come with any instructions included.

      • The RT Off-Road Aluminum Valve Covers will install with the included gasket with no need for silicone sealant. No grommets are required for the bolts, you will be able to install this with the new bolts.

      Helpful (0)

      Will these valve covers fit a 2005 TJ, if not, why ?

      • The RT Off-Road Aluminum Valve Covers are designed to be used on the 4.0 engine ending in 2004. Small modifications made to the engine in 2005 and 2006 make these covers incompatible.

      Helpful (0)

      Will I need any additional parts for the replacement of the valve cover.

      • No, The RT Off-Road Aluminum Valve Covers will include everything you need for a complete installation such as the hardware and the gaskets.

      Helpful (0)

      Does the oil cap screw on or does it just press in

      • The RT Off-Road Aluminum Valve Covers will come with a push in oil cap.

      Helpful (0)

      will this fit a 97 cherokee 4.0?

      • Yes, Crown Automotive confirms fitment with the 1993-2001 Cherokees with the 4.0L as well.

      Helpful (0)
      Post Your Question
      1 More Question
      Will this valve cover fit a 2005 Wrangler X 4.0L. All valve covers end at 2004. Was there a change in the motor configuration from 04 to 05? 1 answer

        Customer Reviews (8) Write a Review

        Overall Rating 4

        out of 5 stars

        Installation Time:Less than 1 Hour

        • Fit 4.375 4.4
        • Appearance 4.375 4.4
        • Bang For Your Buck 4.125 4.1

        • 5/5

          Installation Time: Less than 1 Hour

          September 27, 2018

          Red valve cover

          Very nice valve cover good fit good quality easy install comes with screw kit , gives my motor a great look , thank you very much...


          Year: 2003Submodel: Wrangler

          Helpful (10)

        • 2/5

          Installation Time: Afternoon

          April 16, 2018

          Valve cover

          Gasket was not lined up with the bolt holes. And I would prefer a screw cap instead of the rubber cap where you pour your oil in. Had to use original bolts for the other parts to attach too. The cover itself was made well.


          Year: 1994Submodel: Wrangler

          Helpful (12)

        • 1/5

          Installation Time: Less than 1 Hour

          October 14, 2017

          Horrible paint job !!!!

          Valve cover had a horrible paint job . Chipped paint . And touched up with black magic marker . Was painted yellow first then painted over with black . Grommets didn't fit either . Had to use the old ones . No quality control .


          Year: 1987Submodel: Wrangler

          Helpful (12)

        • 4/5

          Installation Time: Less than 1 Hour

          August 14, 2017

          It's what I ordered

          Perfect I do wish they offered more of a variety but you can paint it


          Year: 1993Submodel: Wrangler

          Helpful (12)

        • 5/5

          Installation Time: Less than 1 Hour

          July 10, 2017

          Crown Automotive Aluminum Valve Covers

          Great quality, perfect fit, added a nice touch to my car. Highly recommend


          Year: 2012Submodel: Wrangler

          Helpful (11)

        • 5/5

          Installation Time: Less than 1 Hour

          October 18, 2016

          looks Great

          Went on like a glove...looks great ....had to move a few hoses and wiring around, it went on inabout 20 to 30 minutes. I found that the bolts that come with cover were to short and had to use my old ones.


          Year: 1997Submodel: Wrangler

          Helpful (12)

        • 5/5

          Installation Time: Less than 1 Hour

          May 16, 2013

          thank you

          Thank you for the item Good color and perfect fit and


          Year: 1999Mooresville, NC, USA

          Helpful (11)

        • 5/5

          Installation Time: Afternoon

          April 18, 2013

          Great product!

          I'm really happy with this product. It's well made and fits great. I will suggest that you purchase another "push in" oil plug, as the one that's included is junk. Also, be sure to puchase new CCV vents too because you'll never be able to reuse the old ones and replacements aren't included. Over all, I'm very pleased and can't image you could find a better valve cover for the money.


          Year: 1994407 South Timber Lane, Post Falls, ID 83854, USA

          Helpful (13)