OFFICIAL CAMPAIGN FILE

NHTSA campaign 21V506000

NHTSA campaign 21V506000 covers 15 published year-and-model reports from 1 makes in this index and lists 1,737 potentially affected units campaign-wide. VIN eligibility must be checked separately.

Report received July 2, 2021 · Snapshot September 21, 2026

01 / DEFECT RECORD

What NHTSA campaign 21V506000 says

NHTSA campaign 21V506000 identifies FUEL SYSTEM, DIESEL and states that A fuel leak in the presence of an ignition source increases the risk of a fire.

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.

Consequence summary

A fuel leak in the presence of an ignition source increases the risk of a fire.

02 / CORRECTIVE ACTION

Remedy for NHTSA campaign 21V506000

For NHTSA campaign 21V506000, the filed corrective action says: 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.

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.

Owner notification: August 24, 2021
Filing manufacturer: Newmar Corporation
Component groups: FUEL SYSTEM, DIESEL

03 / PUBLISHED VEHICLES

Vehicles listed under NHTSA campaign 21V506000

RecallRoad links 15 year-and-model reports associated with NHTSA campaign 21V506000; the list reflects published source rows, not individual VIN coverage.