FREE 1 to 3-Day Delivery on Orders $119+ Details

Talk to a Wrangler Sales Tech
1-877-870-8556
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Logo Image
Up to 60% Off Sale Shop Black Friday >
Sitewide Coupons - Up to $80 Off! Redeem Now >

Find Internal Engine Parts for your Wrangler

Expansion Plug (87-90 4.2L Jeep Wrangler YJ)Find parts that fit my vehicle

Item J156209
Expansion Plug (87-90 4.2L Jeep Wrangler YJ)
Verify parts fit and get product recommendations.
Wrangler Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
Call now 1-877-870-8556 Chat Now
$4.99
Want $10? Write one of the first 5 reviews 5.0 Similar Engine product ratings
On Sale

-17% $4.99 each Was $5.99

to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

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

    or use

    Loading Indicator

      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Expansion Plug
      • Covers the Cylinder Block Oil Hole
      • Factory-Quality Metal Construction
      • Unpainted Finish
      • Direct-Fit Installation
      • Fits All Models of the 1987-1990 Jeep Wrangler YJ 4.2L

      Description

      First-Rate Replacement Plug. This Expansion Plug replaces your Wrangler's corroded or damaged cylinder block oil hole plug so you won’t have to deal with leaky holes on the engine. Made to OEM specifications, those seeking to restore their long-serving vehicle to its former glory won't be disappointed with this item.

      Premium Quality Material. Made from premium quality metal, this plug is designed to replicate or even exceed the performance of its stock counterpart. Expect a headache-free, long service life out of this product. Lastly, this comes in an unpainted finish.

      Installs Directly. This plug installs directly to replace the stock item with no need for modifications on the vehicle. With its OEM fit, installation should be a breeze and take only a minimal amount of time.

      Application. This Expansion Plug is designed to fit all 1987-1990 Jeep Wrangler YJ 4.2L models.

      Fitment:

      Details

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

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Expansion Plug
      5.0

      Reviews of similar Engine Products (2)

      Reviews of similar Engine products have an average rating of 5.0 out of 5

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Wrangler

      • YJ Wrangler 2 Door - 87, 88, 89, 90

          Community Support

          Word On The Trail

          I found this website when I searched for Jeep Wrangler seat covers... And I ended up finding SO much cool gear for my Jeep! The site was easy to navigate, and has really cool stuff. I am excited to be a new Jeep owner.

          kernerjen
          Previous Slide Next Slide