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02 · IG Ignition and tune-up · Jeep Gladiator
Jeep Gladiator spark plugs
for 2020–2024 model years · what changes the fit
01 About the part
Fire the air and fuel mix in each cylinder. Most modern engines use iridium or platinum plugs with long service intervals. All about spark plugs →
02 What changes the fit
- Jeep introduced the Gladiator at the Los Angeles Auto Show on November 28, 2018. It went on sale in the spring of 2019 as a 2020 model. source
- 1 spark-ignition engine across 2020–2024: 3.6L 6-cyl (gasoline, 2020–2024). EPA fuel economy records
- The 3.0L 6-cyl turbo diesel has no spark plugs. Diesels use glow plugs.
- Plug count, gap, and heat range come from the engine maker. Check your owner's manual or enter your VIN; don't go by cylinder count alone.
- EPA rates 4 Gladiator versions separately for these years: Gladiator Pickup, Gladiator EcoDiesel, Gladiator Rubicon EcoDiesel, Gladiator Rubic EcoDiesel.
Jeep versions in EPA records
| Year | EPA model names |
|---|---|
| 2020 | Gladiator Pickup 4WD |
| 2021 | Gladiator 4WD · Gladiator EcoDiesel 4WD · Gladiator Rubicon EcoDiesel 4WD |
| 2022 | Gladiator 4WD · Gladiator EcoDiesel 4WD · Gladiator Rubic EcoDiesel 4WD |
| 2023 | Gladiator 4WD · Gladiator EcoDiesel 4WD · Gladiator Rubic EcoDiesel 4WD |
| 2024 | Gladiator 4WD |
Engines listed by EPA for these years: 3.0L 6-cyl turbo diesel; 3.6L 6-cyl gasoline. EPA
NHTSA recalls · ignition
NHTSA lists no ignition recalls for the 2020–2024 Jeep Gladiator as of 2026-11-09. NHTSA recalls
The Gladiator uses the same platform as the Wrangler JL. It is Jeep's first pickup since the Comanche was discontinued in 1992. source Jeep Wrangler spark plugs →
03 Cross-reference
Coming soon
Interchange numbers for Jeep Gladiator spark plugs show here once we have a source we can cite. Until then, enter your VIN in the factory parts catalog to get the original-equipment number, and compare that number across stores.
04 Questions
Which Jeep Gladiator engines does this cover?
2020–2024: 3.0L 6-cyl turbo, 3.6L 6-cyl, as listed in EPA records.
Any Jeep Gladiator recalls for ignition?
None for 2020–2024 in NHTSA's records, checked 2026-11-09.
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Guides: Ignition and tune-up · Jeep and other makes: official parts catalogs · Find the right part
Facts on this page: engines from fueleconomy.gov (U.S. DOE and EPA); recalls from NHTSA, checked 2026-11-09. Prices come only from the retailers and the live eBay listings.