Back to 2021 Ram 2500
Help
2021 RAM 2500
6.4L V8 Hemi Gas•4WD•AUTOMATIC•gas
8 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor551Torque3645Fluid9DTC924Battery1Maintenance0Recalls8
Fluid · Engine Oil

Engine Oil

for 2021 Ram 2500 6.4L V8 Hemi Gas · 4WD
Fluid Type
0W-20 full synthetic
Spec: API SP / ILSAC GF-6A
Capacity
7qt
6.62 L
Drain & Refill
7 qt
6.62 L
Change Interval
5,000 mi
8,045 km

Notes

6.4L Hemi with filter. 2021+ factory fill switched to 0W-20. 5W-20 still acceptable. Normal duty: 10k miles, severe: 5k miles

Buy on Amazon
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other fluid systems on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 2021 Ram 2500 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Ram 2500 — $99 →
Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →