High pressure fuel rail assembly may leak fuel
Defect Summary
Newmar corporation (newmar) is recalling certain 2019 mountain aire, 2020-2021 new aire, 2020-2022 super star, 2018-2021 ventana, and dutch star vehicles equipped with certain cummins diesel engines. the sealing washer may not seat correctly in the pilot boreholes, allowing the high-pressure fuel rail assembly to leak.
Safety Consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Corrective Action
Cummins service centers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. owner notification letters were mailed on august 24, 2021. owners may contact newmar customer service at 1-800-731-8300. newmar's number for this recall is cummins 21e-32.
Similar Recalls
Other recalls from Newmar Corporation or involving Fuel System, Diesel.
FAQ: Recall 21V506000
Your rights, the repair process, and what each field on this page means.
What is recall 21V506000?
NHTSA recall 21V506000 was issued by Newmar Corporation on July 2, 2021. It addresses: High pressure fuel rail assembly may leak fuel. The recall affects approximately 1,737 vehicles, with the defect involving the Fuel System, Diesel component.
How do I get this recall repaired?
Contact any authorized Newmar Corporation dealer and reference NHTSA recall ID 21V506000 or the manufacturer campaign number Cummins 21E-032. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.