NHTSA campaign 21V604000
Newmar Recall 21V-604: Fuel Hose Leak
NHTSA recall 21V604000 was reported by Newmar Corporation on August 4, 2021, with 169 vehicles potentially affected (per NHTSA). NHTSA's record lists the Newmar Dutch Star, Newmar New Aire and Newmar Ventana for model years 2021–2022. Owners were notified on September 16, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V604000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V604000 (also written 21V-604 or 21V604)
- Filed by
- Newmar Corporation
- Manufacturer campaign number (as filed)
- Cummins 21E-063
- Report received
- Potentially affected
- 169 vehicles (per NHTSA)
- Component
- Fuel System, Diesel — Delivery — Hoses, Lines/Piping, and Fittings
- Owners notified
Repair completion: 18.93% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V604000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V604000.
Defect description
Newmar Corporation (Newmar) is recalling certain 2021-2022 Dutch Star, New Aire, and Ventana motorhomes equipped with Cummins L9 diesel engines. A fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head.
Safety consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Manufacturer remedy
Cummins will replace the fuel hoses, free of charge. Owner notification letters were mailed on September 16, 2021. Owners may contact Newmar's customer service at 1-800-731-8300. Newmar's number for this recall is Cummins 21E-063.
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.
Sources
Official NHTSA notice for recall 21V604000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.