Complete Oil Specifications
Your 2023 Jeep Gladiator 3.6L V6 requires 0W-20 full synthetic motor oil that meets the Chrysler Material Standard MS-6395.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 0W-20 |
| API Rating | SP |
| ILSAC Rating | GF-6A (MS-6395) |
| Capacity (with filter) | 5.9 quarts |
| Oil Filter | Mopar MO-349 |
| Normal Interval | 10000 miles |
Why 0W-20 is Critical for This Engine
The 3.6L Pentastar V6 utilizes an advanced Variable Valve Timing (VVT) system connected to dual overhead camshafts. This intricate hydraulic system demands a highly fluid, responsive 0W-20 oil to actuate the phasers correctly.
Using incorrect oil will:
- ❌ Prevent proper variable valve timing phasing, leading to poor engine performance
- ❌ Trigger a Check Engine Light (CEL) due to sluggish oil pressure response
- ❌ Result in diminished fuel economy as the engine fights a thicker viscosity
Jeep-Approved Oil Brands
-
✅ Pennzoil Platinum Full Synthetic 0W-20
-
✅ Valvoline Advanced Full Synthetic 0W-20
-
✅ Castrol EDGE 0W-20
-
✅ Mobil 1 Advanced Fuel Economy 0W-20
-
✅ Mopar MaxPro Full Synthetic 0W-20
Jeep heavily endorses Pennzoil, but any API SP / ILSAC GF-6A oil specifically stating compliance with MS-6395 is acceptable and maintains your warranty.
Severe Service Check
You need the 4000-mile interval if you:
- Engage in regular off-roading, rock crawling, or deep trail runs
- Exclusively drive short trips (under 5 miles)
- Frequently haul heavy gear in the bed
- Drive in dusty conditions or extreme temperatures
- Tow a trailer occasionally
Installation Details
Drain Plug Torque: 20 ft-lbs
OEM Filter: Mopar MO-349
Aftermarket Filters:
-
Wix WL10010
-
Fram CH11665
-
Mobil 1 M1C-254A
Pro Tip: The 3.6L Pentastar uses a cartridge filter located on top of the engine underneath the plastic intake cover. Before removing the cartridge housing, crack it open slightly and let it sit for a minute to allow the oil to drain from the housing back into the engine block.
FAQs
What oil does a 2023 Jeep Gladiator 3.6L take?
0W-20 full synthetic oil meeting SP standards with the MS-6395 certification.
How many quarts does it need?
5.9 quarts with a new filter.
Can I run 5W-20 instead?
No. Only 0W-20 is recommended for the 3.6L engine. The tighter clearances and fuel economy standards strictly require 0W-20.
Is synthetic oil required?
Yes. Since 0W-20 is inherently only produced utilizing synthetic base stocks, full synthetic is implicitly mandatory.
How often should I change the oil?
Follow the onboard Oil Life Monitor, but do not exceed 10000 miles or 12 months, whichever comes first. If you face severe driving conditions frequently, Jeep recommends changing it much sooner at 4000 miles.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
Last verified: 2026-03-01 | Source: 2023 Jeep Gladiator Owner’s Manual