Vehicle recall 18V307000 · May 11, 2018
2016-2018 Newmar Mountain Aire
The Diesel Exhaust Fluid (DEF) tank bracket may contact the tag axle tire, possibly causing tire damage.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Newmar Corporation (Newmar) is recalling certain 2016-2018 Newmar Mountain Aire motorhomes. The Diesel Exhaust Fluid (DEF) tank bracket may contact the tag axle tire, possibly causing tire damage.
- Consequence
- If the bracket damages the tire, it can cause tire failure, increasing the risk of a crash.
- Remedy
- Newmar will notify owners, and Spartan Motors dealers will move the DEF bracket away from the tire, free of charge. The recall began on June 21, 2018. Owners may contact Newmar customer service at 1-800-731-8300.
- 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.safercar.gov.
Recall details
- NHTSA campaign
- 18V307000
- Reported to NHTSA
- May 11, 2018
- Filed by
- Newmar Corporation
- Owner notification
- June 21, 2018
- Vehicles potentially affected
- 96
- Initiated by
- the manufacturer
- Components
- Fuel system, diesel; Tires
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Newmar Mountain Aire (2016-2018): 2018, 2017, 2016
Has your Newmar 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 Newmar dealer can also check your VIN. Recall repairs are free.