Vehicle recall 21V446000 · June 13, 2021
2018 Rossmonster Ram Promaster
The saddle valve securing bolt may be overtightened, possibly damaging the o-ring seal and causing a continuous gas leak.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- 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.
- Consequence
- A gas leak can increase the risk of a fire.
- Remedy
- 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.
- Notes
- 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.
Recall details
- NHTSA campaign
- 21V446000
- Reported to NHTSA
- June 13, 2021
- Filed by
- Rossmonster Vans LLC
- Owner notification
- June 17, 2021
- Vehicles potentially affected
- 2
- Initiated by
- the manufacturer
- Components
- Equipment › Appliance › Oven/stove/cooktop; Equipment › Recreational vehicle/trailer › LPG systems
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Rossmonster Ram Promaster (2018): 2018
Has your Rossmonster been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Rossmonster dealer can also check your VIN. Recall repairs are free.