Complete Oil Specifications
Your 2023 Jeep Wagoneer 5.7L HEMI V8 with eTorque requires full synthetic 5W-20 motor oil meeting the Chrysler MS-6395 standard.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 5W-20 |
| API Rating | SP |
| ILSAC Rating | GF-6A |
| Capacity (with filter) | 7.4 quarts |
| Oil Filter | Mopar MO-339 |
| Normal Interval | 10000 miles |
Why 5W-20 is Critical for This Engine
The 5.7L HEMI equipped with the eTorque mild-hybrid system demands very precise viscosity choices to ensure smooth stop-start transitions engineered by the 48-volt motor-generator. More crucially, the MDS (Multiple Displacement System) deactivates 4 cylinders continuously to maximize economy within this large premium SUV, which relies directly on 5W-20 oil pressure to operate the hydraulic lifters.
Using incorrect oil will:
- ❌ Interfere with the VVT and MDS lifters, potentially causing check engine lights
- ❌ Disrupt the rapid and quiet startups overseen by the eTorque belt-drive generator
- ❌ Risk voiding the Stellantis/Jeep powertrain warranty coverage
Jeep-Approved Oil Brands
-
✅ Pennzoil Platinum Full Synthetic 5W-20
-
✅ Valvoline Advanced Full Synthetic 5W-20
-
✅ Mobil 1 Advanced Full Synthetic 5W-20
-
✅ Castrol EDGE 5W-20 Advanced Full Synthetic
-
✅ Mopar Full Synthetic 5W-20
Stellantis heavily endorses Pennzoil synthetics. However, any API SP full synthetic oil identifying as MS-6395 approved on the bottle is acceptable for warranty protection.
Severe Service Check
You need the 4000-mile interval if you:
- Engage the Wagoneer in substantial towing (boats/campers)
- Live in an area characterized by persistent off-roading or excessive dust
- Are making frequent short trips in extremely cold winter temperatures
- Leave the vehicle idling for long durations frequently
Installation Details
Drain Plug Torque: 20 ft-lbs
OEM Filter: Mopar MO-339
Aftermarket Filters:
-
Wix 57060
-
Mobil 1 M1-113A
-
K&N HP-1017
Pro Tip: Because the Wagoneer shares its bones with the Ram 1500, similar rules apply—removing the oil filter can result in some messy drippage on the front suspension components, so wedge a rag beneath the housing before loosening it.
FAQs
What oil does a 2023 Jeep Wagoneer 5.7L take?
It requires 5W-20 (full synthetic strongly recommended for eTorque applications) that satisfies both API SP and the Chrysler MS-6395 specification.
How many quarts does it need?
It takes precisely 7.4 quarts alongside a freshly installed oil filter to properly fill to the “Safe” zone on the dipstick.
Could I mix oil weights or jump to 5W-30?
No. Sticking with 5W-20 is mandatory to keep the MDS (cylinder deactivation) and the eTorque start-stop technology operating silently and smoothly.
How often should I change the oil?
The Automatic Oil Change Indicator System (AOCIS) will alert you. Never push intervals past 10000 miles, 350 engine hours, or 12 months.
Last verified: 2026-03-17 | Source: 2023 Jeep Wagoneer Owner’s Manual