Common-failure engine parts for the Wrangler JL (2018+) & JT. Each page lists the current Mopar number, what it supersedes, aftermarket equivalents, failure symptoms and whether to rebuild or replace, with a source for every number.
| Part | Mopar # | Fits |
|---|---|---|
| Oil Filter Housing / Oil Cooler Assembly (3.6 Pentastar) | 68596317AB | Current Mopar number for 2014-and-later JK 3.6. The Dorman 926-959 aluminum kit is also cataloged for JL 3.6... |
| Spark Plug (JL/JT 3.6 Pentastar) | SP225755AB | 2018-and-later Wrangler JL and Gladiator JT with the 3.6 Pentastar. Confirm the number printed on your old... |
| Ignition Coil (JL/JT 3.6 Pentastar) | 68223569AD | 2018-and-later Wrangler JL and Gladiator JT with the 3.6 Pentastar. Sold individually; the engine uses six. |