It takes synthetic 5W-20 motor oil that meets Mopar MS-6395, API SN, and ILSAC GF-5 standards.
Oil specification for the 5.7L Hemi
The 2019 Ram 1500 equipped with the 5.7-liter Hemi requires oil that not only protects the engine across operating temperatures but also aligns with warranty requirements. The key is to use oil that carries the Mopar MS-6395 specification and applicable API/ILSAC certifications.
Recommended viscosity and certifications
Before listing the official requirements, here is a concise outline of the essential characteristics to look for when selecting oil for this engine.
- Viscosity: 5W-20
- OEM specification: Mopar MS-6395
- Certifications: API SN (or newer) and ILSAC GF-5 (or newer)
- Oil type: Full synthetic motor oil is typically recommended to meet the MS-6395 spec
Choosing oil that matches these characteristics helps ensure proper lubrication, engine performance, and warranty compliance for the 2019 Ram 1500 5.7.
Practical considerations for owners
When shopping for oil, verify the label explicitly lists MS-6395 and the appropriate API/ILSAC certifications. In most regions, a reputable synthetic 5W-20 oil that meets Mopar MS-6395 will satisfy the factory requirements and support reliable engine life.
Summary
For the 2019 Ram 1500 with the 5.7 L Hemi, use 5W-20 synthetic motor oil that meets Mopar MS-6395, API SN, and ILSAC GF-5. Always consult the owner’s manual for climate-specific guidance and refer to your dealer if you have any doubt about the correct specification.


