FREE 2 or 3-Day Delivery on 10,000+ Items. Details

Talk to Wrangler Enthusiasts
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Logo Image
$20K Mega Sweeps! 10 Chances to Win! Enter Daily >
The ExtremeTerrain Show is Back! Register Now >

RC12LYC Spark Plug (87-98 2.5L or 4.0L Jeep Wrangler YJ & TJ)

Item J136545
Call a Wrangler Enthusiast at 1-877-870-8556
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Market Price $6.99 You Save 12% ($0.82)
Our Price

$6.17 (each)

FREE Shipping on orders over $75

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
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.

    or use

      Product Information

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


      • Replacement Spark Plug
      • Ensures Peak Engine Performance
      • With a Copper Electrode Core
      • Features a Nickel alloy Electrode Tip
      • Quick and Easy Installation
      • Sold Individually
      • Works with all Models of the 1987-1998 2.5L or 4.0L Jeep Wrangler YJ and TJ


      Reliable Ignition All the Time. Ensure reliable ignition every time you rev your Wrangler's engine with this RC12LYC Spark Plug. Manufactured to directly replace a faulty stock spark plug, this item will make sure you're getting the best performance and fuel efficiency out of your Jeep’s engine.

      Premium Materials and Build Quality. This spark plug uses a copper electrode core and a nickel alloy electrode tip for durability, resistance to corrosion, and consistent fuel burning. Since it's made to OEM specifications, expect a similar or even longer service life compared to the stock component it replaces.

      Direct Installation. Mounting directly, installation of this spark plug should pose no problem to someone with some mechanical skills and know-how. This easily installs using common hand tools found in the garage and the installation process should only take less than an hour, so you’re back behind the wheel in no time.

      Application. This RC12LYC Spark Plug is designed as a direct replacement for the stock spark plug on all models of the 1987-1998 2.5L or 4.0L Jeep Wrangler YJ and TJ.



      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Spark Plug

      Customer Reviews (1)

        Reviews of similar Ignition products have an average rating of 4.7 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Wrangler

          • TJ Wrangler 2 Door - 97, 98
          • YJ Wrangler 2 Door - 87, 88, 89, 90, 91, 92, 93, 94, 95