Recall 21V604 covers 169 2021-2022 Newmar New Aire, Dutch Star, and Ventana motorhomes for a fuel-hose leak. Repair will be free at franchised Newmar dealers once available.
Newmar is recalling 169 2021-2022 New Aire, Dutch Star, and Ventana motorhomes equipped with Cummins L9 diesel engines under recall 21V604 because fuel can leak from the hose between the fuel pump and remote fuel filter head. A fuel leak near an ignition source increases the risk of fire, and the Newmar dealer repair will be free once available.
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What's wrong?
The stage 2 fuel hose assembly on these 2021-2022 Newmar New Aire, Dutch Star, and Ventana motorhomes carries diesel fuel through a pressurized line between the fuel pump and the remote fuel filter head. That filter head separates contaminants before fuel continues toward the Cummins L9 engine. The hose has to hold pressure and keep fuel contained while the engine runs.
On affected motorhomes built on a Spartan chassis, fuel can leak from the hose between the pump and the remote filter head. Because this is a pressurized fuel hose, a small opening or weak connection can release diesel instead of keeping it inside the fuel system. If leaking fuel reaches an ignition source, the risk of fire increases.
There is no warning sign before failure. Owners should treat fuel smell, visible wetness around the engine area, or fresh diesel under the motorhome as a reason to stop driving and contact a Newmar dealer.
Who's affected?
Covers New Aire, Dutch Star, and Ventana motorhomes across the 2021 and 2022 model years, all tied to the same stage 2 fuel hose assembly.
| 2021 Newmar New Aire | fuel system |
|---|---|
| 2021 Newmar Dutch Star | fuel system |
| 2021 Newmar Ventana | fuel system |
| 2022 Newmar Dutch Star | fuel system |
| 2022 Newmar New Aire | fuel system |
| 2022 Newmar Ventana | fuel system |
| Units affected | 169 |
A matching year and model does not confirm inclusion. Check your VIN to confirm whether your specific motorhome is included.
What's the safety risk?
A fuel leak near an ignition source raises the risk of a fire. If fuel leakage is present, stop use and call a Newmar dealer for repair guidance. Repair will be free at any franchised Newmar dealer once available.
What should I do?
- Check your VIN to confirm your 2021-2022 Newmar New Aire, Dutch Star, or Ventana motorhome is included in this recall.
- Wait for Newmar's remedy instructions before scheduling the Cummins fuel-hose replacement.
- Contact Newmar customer service at 1-800-731-8300 with questions, and reference recall number 21V604 (Newmar recall Cummins 21E-063) when you call.
- Ask a franchised Newmar dealer about the free Cummins fuel-hose replacement that fixes the fuel leak risk between the fuel pump and remote fuel filter head.
- Avoid parking near ignition sources until the fuel-hose repair is complete.
What happens at the repair
At the dealer, a Newmar technician will replace the fuel hoses between the fuel pump and the remote fuel filter head once the final repair is available. The recall repair will be free, with parts and labor covered. Owner letters were mailed on September 16, 2021. If you already paid for this fuel hose repair before receiving the recall letter, Newmar's reimbursement plan allows you to request repayment for documented costs. Contact Newmar's service department with prior repair paperwork so the claim can be reviewed.
| Reimbursement | Reimbursement available |
|---|
Timeline
| August 4, 2021 | NHTSA published the recall |
|---|---|
| September 16, 2021 | Owner notification mailed |
| October 3, 2021 | Dealer notification began |
| October 3, 2021 | Dealer notification ended |
| October 3, 2021 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
| October 3, 2021 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 21V604?
Recall 21V604 covers 169 2021-2022 Newmar New Aire, Dutch Star, and Ventana motorhomes equipped with Cummins L9 diesel engines. The fuel hose between the fuel pump and remote fuel filter head can leak. Cummins will replace the fuel hoses for free.
What should I do if my 2021-2022 Newmar New Aire, Dutch Star, or Ventana is on this recall?
Check your VIN to confirm your specific motorhome is included in recall 21V604. If it is, contact Newmar customer service at 1-800-731-8300 and ask where to complete the Cummins fuel-hose replacement. Reference Newmar recall number Cummins 21E-063 when you call.
Is the recall repair free?
Yes. Federal recall law requires the recall repair at no cost to the owner, and the remedy states that Cummins will replace the fuel hoses free of charge. Keep the recall number with your service paperwork when arranging the repair.
What is the safety risk?
The safety risk is fire. Newmar states that a fuel leak near an ignition source increases the risk of a fire. If your VIN is included, arrange the free Cummins fuel-hose replacement and ask Newmar customer service for service-location instructions.
When were owner letters mailed?
Newmar mailed owner notification letters on September 16, 2021. If you bought the motorhome used or never received a letter, the VIN still decides whether the recall applies. Check your VIN and reference recall 21V604 when contacting Newmar customer service.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/21V604000 |
|---|---|
| Newmar customer service | 1-800-731-8300 |
| NHTSA recall # | 21V604 |
| NHTSA recall # (full) | 21V604000 |
Source documents
-
Download Recall Document (PDF) (PDF) - Download Quarterly Report (PDF)
- Download Recall Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 20, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →