The service and repair manual for the 2021 Ram 4500 — 6.4L V8 and 6.7L I6 engines, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Ram published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 6.4L V8 — 392 cu in, OHV 6.7L I6 — OHV, turbocharged |
| Trims | Base Cab & Chassis - Crew Cab 4-Door · Base Cab & Chassis - Conventional |
| Federal record | 4 recalls · 0 complaints · 429 technical service bulletins (refreshed 2026-08-21) |
02 / Known issuesRecalls on federal record for the 2021 4500
- Electrical System — wiring › relays/solenoids · 21V798000A vehicle fire increases the risk of injury.
- Electrical System · 21V163000A vehicle fire increases the risk of injury.
- Electrical System — wiring › relays/solenoids · 23V060000An electrical short in the relay can result in an engine compartment fire with the ignition on or of.
- Air Bags — frontal · 25V765000A driver's side air bag that does not deploy as intended increases the risk of injury in a crash.
Owners have filed 0 complaints and Ram has issued 429 technical service bulletins for the 2021 4500. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 4500 manual
Is this manual specific to the 2021 4500?
Yes. It is the OEM manual matched to the 2021 model year, covering the 6.4L V8 and 6.7L I6 across the Base Cab & Chassis - Crew Cab 4-Door, Base Cab & Chassis - Conventional trims. Specifications and procedure sequences are the ones Ram published for this year.
What 2021 4500 problems does it help with?
4 recalls are on federal record for the 2021 4500, covering electrical system, air bags. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Ram dealers.
Does it include 2021 4500 wiring diagrams?
Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
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