Recall 18V641 covers 201 2019 Western Star trucks for exposed tire sidewall cords. Inspection and tire replacement are free at franchised Western Star dealers.
Western Star is recalling 201 2019 trucks, including the 4900, 4700, Business Class M2, 108SD, 122SD, and 114SD, because certain Bridgestone 425/65R22.5 tires have exposed sidewall steel body cords. The defect can cause unexpected rapid air loss and increase crash risk; the dealer repair is free.
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What's wrong?
The tires on these 2019 Western Star 4900, 4700, Business Class M2, 108SD, 122SD, and 114SD trucks carry the truck's weight, hold air pressure, and keep the tread planted on the road. The sidewall is the tire's outer wall between the tread and the wheel rim, and it protects the steel body cords that help the tire keep its shape under load.
The recall covers certain Bridgestone M854, M860A, and M864 tires in size 425/65R22.5. On affected tires, steel body cords in the sidewall are at risk of exposure to the environment. Once those cords are exposed, moisture and road debris can deteriorate them. That damage can lead to unexpected, rapid air loss while the truck is in use.
There is no warning sign before failure. A tire can lose air rapidly during use without giving the driver a clear advance symptom.
Who's affected?
Covers six truck models from the 2019 model year, all involving tire sidewalls.
| 2019 Western Star 4900 | tire |
|---|---|
| 2019 Western Star 4700 | tire |
| 2019 Freightliner Business Class M2 | tire |
| 2019 Freightliner 108SD | tire |
| 2019 Freightliner 122SD | tire |
| 2019 Freightliner 114SD | tire |
| Units affected | 201 |
| Field incidents | NHTSA has logged no field incidents to date. |
The model year and name narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific truck is included.
What's the safety risk?
Rapid tire air loss can make the truck harder to control and increase the risk of a crash. If a tire loses pressure suddenly, slow down, pull over safely, and contact a franchised dealer for inspection. Repair is free at any franchised Western Star dealer.
What should I do?
- Check your VIN to confirm your 2019 Western Star 4900, 4700, Business Class M2, 108SD, 122SD, or 114SD truck is included in this recall.
- Contact a franchised Western Star dealer to schedule the free tire inspection and replacement for affected Bridgestone tires with exposed sidewall cords.
- Bring the recall notice if Western Star mailed one. If not, reference recall number 18V641 when you call.
- Drive cautiously until the tire inspection and replacement are complete. Rapid air loss can increase crash risk.
What happens at the repair
At the dealer, a Western Star technician inspects the tires covered by recall 18V641, including the specified Bridgestone M854, M860A, and M864 tires when installed on the affected 2019 models. If the tire inspection shows an affected tire needs replacement, the technician replaces it at no charge. Parts and labor are covered under the recall, and the work is performed through Daimler Trucks North America authorized service facilities.
Timeline
| September 19, 2018 | NHTSA published the recall |
|---|---|
| October 8, 2018 | Owner notification mailed |
| November 16, 2018 | Dealer notification began |
| November 16, 2018 | Dealer notification ended |
| November 16, 2018 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 18V641?
Recall 18V641 covers 201 2019 Western Star 4900, 4700, Business Class M2, 108SD, 122SD, and 114SD trucks equipped with certain Bridgestone tires. Exposed sidewall steel body cords can cause rapid air loss during use. Dealers will inspect and replace affected tires for free.
What should I do if my 2019 Western Star 4900, 4700, Business Class M2, 108SD, 122SD, or 114SD is on this recall?
Check your VIN to confirm your specific truck is included in recall 18V641. If it is, contact a franchised Western Star dealer to schedule the tire inspection. Reference recall number 18V641 and ask whether the affected Bridgestone tires need replacement. The repair is free.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost, and the recall remedy says dealers will inspect and replace the affected tires as needed free of charge. Use recall number 18V641 when you call the dealer service desk.
What is the safety risk?
The safety risk is unexpected rapid air loss from the tire during use. The recall states that exposed sidewall steel body cords can lead to that air loss, which can increase crash risk. If your VIN is included, arrange the dealer inspection before continuing regular service.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/18V641000 |
|---|---|
| Western Star customer service | 1-800-547-0712 |
| NHTSA recall # | 18V641 |
| NHTSA recall # (full) | 18V641000 |
Source documents
-
Download Misc. Document (PDF) - Download Owner Notification Letter (PDF)
- Download Recall Report (PDF)
- Download Quarterly Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 25, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →