Complete Maintenance & Parts Sheet
Verified OEM & Service Reference2026 Jeep Gladiator — 3.0L EcoDiesel V6 (JT)
OEM part numbers, aftermarket cross-references, U.S. quart capacities, and fitment specs for DIY maintenance.
Engine / Trim Variant
Engine Oil
DetailsSpec: Chrysler MS-12991
- Recommended Viscosity
- 5W-40
- OEM Specification
- Chrysler MS-12991
- Oil Capacity
- 9.0 qt (8.5L)
Oil Filter
DetailsOEM: 68507598AA / 68498720AA
Air Filter
DetailsSpecifications for air filter vary by trim/production batch. Confirm exact fitment via 17-digit VIN on Amazon.
Cabin Filter
DetailsSpecifications for cabin filter vary by trim/production batch. Confirm exact fitment via 17-digit VIN on Amazon.
Spark Plugs
Details- Cylinders / Plug Count
- 6-cyl
Brake Pads
DetailsSpecifications for brake pads vary by trim/production batch. Confirm exact fitment via 17-digit VIN on Amazon.
Battery
DetailsSpecifications for battery vary by trim/production batch. Confirm exact fitment via 17-digit VIN on Amazon.
Wiper Blades
Details- Driver Side
- 16 inch
- Passenger Side
- 16 inch
Tire Size
DetailsFactory Size: 285/70R17 / 255/70R18 / 245/75R17 / 255/75R17
- Front Tire Size
- 285/70R17 / 255/70R18 / 245/75R17 / 255/75R17
- Rear Tire Size
- 285/70R17 / 255/70R18 / 245/75R17 / 255/75R17
- Rim / Wheel Size
- 17"
- Matched Trims
- Mojave, Mojave X, Rubicon
Aftermarket Options
- Michelin / Continental / Pirelli 285/70R17
Verified Factory Powertrain & Wheel Fitment (2026 Jeep Gladiator)
| Factory Engine | Drivetrain | Fuel Grade |
|---|---|---|
| 3.6L 6-cyl | 4-Wheel Drive | Regular Gasoline |
| Trim / Package | Front Tire | Rear Tire |
|---|---|---|
| Mojave | 285/70R17 | 285/70R17 |
| Mojave X | 285/70R17 | 285/70R17 |
| Rubicon | 285/70R17 | 285/70R17 |
| Rubicon X | 285/70R17 | 285/70R17 |
| Sahara | 255/70R18 | 255/70R18 |
| Sport | 245/75R17 | 245/75R17 |
| Sport S | 245/75R17 | 245/75R17 |
| Willys | 255/75R17 | 255/75R17 |
Engine & Trim Specification Comparison (2026 Jeep Gladiator)
| Engine / Trim | Oil Type | Capacity | OEM Oil Filter |
|---|---|---|---|
| 3.6L Pentastar V6 | 0W-20 | 5.0 qt (4.7L) | 68191349AC |
| 3.0L EcoDiesel V6 | 5W-40 | 9.0 qt (8.5L) | 68507598AA / 68498720AA |
Sources: NHTSA vPIC Vehicle Registry, US EPA FuelEconomy.gov & OEM Fitment SpecificationsReport an inaccurate spec