Common-failure fluids & filters 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 |
|---|---|---|
| Coolant, 10-Year/150,000-Mile OAT 50/50 Premix | 68163849AB | 2013–2018 JK and the JL/Gladiator, which call for Mopar 10-year/150,000-mile OAT. 2012 JKs use the... |
| Oil Filter, Cartridge (3.6 Pentastar) | 68191349AC | 2014–2018 JK 3.6 and 2018-and-later JL/Gladiator 3.6, per Mopar dealer listings. 2012–2013 JKs use the... |