Engine complaints and recalls from NHTSA
Summary
The 2021 Ram 3500 has 8 NHTSA engine complaints and 0 engine-related recalls.
8
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Mar 25, 2026 | ENGINE AND ENGINE COOLING,BACK OVER PREVENTION | The contact owns a 2021 Ram 3500. The contact received notification of NHTSA Campaign Number: 25V552... |
| Oct 28, 2025 | ENGINE | The contact filed the complaint on behalf of the customer, who was the owner of a 2021 Ram 3500. The... |
| Jun 17, 2025 | ENGINE | Failure of hydraulic lifters and camshaft in Cummins 6.7 liter diesel engine of 2021 RAM 3500. Engin... |
| Dec 1, 2024 | ENGINE | Hydraulic roller lifter failure. |
| May 31, 2024 | ENGINE AND ENGINE COOLING | The contact owns a 2021 Ram 3500. The contact stated while driving at an undisclosed speed, the engi... |
| May 14, 2024 | ENGINE | There exist a defect which is common through multiple years with RAM that have the Cummins 6.7L die... |
| Apr 21, 2024 | ENGINE | Catastrophic lifter failure. Was able to safely deliver vehicle to dealership service department. If... |
| Jul 11, 2023 | ENGINE | See attached document from complainant |