2018 Rossmonster Ram Promaster Recall: Saddle valve securing bolt may be overtightened, possibly damaging the…
NHTSA campaign 21V446000 · Equipment · filed Jun 13, 2021 · verified Jul 30, 2026
The defect
Rossmonster Vans LLC (Rossmonster) is recalling certain 2018 Ram Promaster vehicles. The saddle valve securing bolt may be overtightened, possibly damaging the o-ring seal and causing a continuous gas leak.
The risk
A gas leak can increase the risk of a fire.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will install a remedy kit of gaskets, washers, thread locker bolts, and two round orange labels, free of charge. Owner notification letters were mailed June 17, 2021. Owners may contact Rossmonster customer service at 1-720-295-0623.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Rossmonster | Ram Promaster | 2018 |
Related recalls
Other campaigns involving Rossmonster vehicles
All Rossmonster Ram Promaster recalls → · All Rossmonster recalls →
Source: NHTSA recall database, campaign 21V446000. Data last verified Jul 30, 2026.