Recall 21V485 affects 65 2021-2022 Prevost X3-45 Commuter buses for improperly clamped seat belt anchorages. Repair is free at any franchised Prevost dealer.
Prevost is recalling 65 2021-2022 X3-45 Commuter buses because passenger-seat attachments were improperly clamped to the wall rail on the outboard side. Unsecured seats can fail to restrain occupants during a crash, increasing injury risk, and Prevost dealers will inspect and correct the seat attachments free of charge.
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What's wrong?
On 2021-2022 Prevost X3-45 Commuter buses, the wall rail seat clamp helps hold certain passenger seats to the side wall. The clamp is part of the seat and belt anchorage path, so it has to grip the rail with the right load when the fastener is tightened. That clamping force keeps the seat attachment in position during normal use and during a crash load.
The problem starts with supplier-made clamps that were built out of tolerance. When the weld nut sits out of position, it creates interference between the fastener and the bracket. Even with the fastener tightened to the specified torque, that interference prevents the clamp from applying the intended load to the wall rail. The seat attachment is then improperly clamped on the outboard side.
There is no warning sign before failure. An owner or operator should not expect a light, noise, or loose-seat feel before the clamp problem is found during inspection.
Who's affected?
The part named in the filing is the wall rail seat clamp, listed under the seat belt fastener system.
| 2022 Prevost X3-45 Commuter | seat belt |
|---|---|
| 2021 Prevost X3-45 Commuter | seat belt |
| Units affected | 65 |
| Field incidents | NHTSA has logged no field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether this recall applies to your specific bus.
What's the safety risk?
An unsecured seat can fail to restrain occupants properly during a crash, which increases the risk of injury. There is no warning sign for this seat restraint issue, so schedule the inspection and clamp replacement soon if your VIN is included. Repair is free at any franchised Prevost dealer.
What should I do?
- Check your VIN to confirm your 2021-2022 Prevost X3-45 Commuter is included in this recall.
- Contact a franchised Prevost dealer to schedule the free seat belt clamp inspection and replacement that secures the passenger seats to the wall rail.
- Bring the recall notice if Prevost mailed one. If not, reference recall number 21V485 when you call.
- Call Prevost customer service at 1-866-870-2046 with questions about repair timing or parts.
- Avoid using passenger seats that feel loose until the clamp inspection and repair are complete.
What happens at the repair
At the dealer, a Prevost technician inspects the passenger seat belt clamp where the seat attachment connects to the wall rail on the outboard side. If the clamp is not properly attached, the technician replaces the seat belt clamp. The recall repair is free, and parts and labor are covered. If you already paid for a related seat belt clamp repair before the owner letter, contact Prevost customer service or ask the service desk how to submit documentation under the manufacturer's standard reimbursement plan.
| Reimbursement | Reimbursement available |
|---|
Timeline
| June 28, 2021 | NHTSA published the recall |
|---|---|
| August 13, 2021 | Dealer notification began |
| August 13, 2021 | Dealer notification ended |
| August 13, 2021 | Interim owner notification (was planned for this date) |
| August 31, 2021 | Owner notification mailed |
Frequently asked questions
What is recall 21V485?
Recall 21V485 covers 65 2021-2022 Prevost X3-45 Commuter buses with passenger seats that have an outboard-side attachment improperly clamped to the wall rail. Unsecured seats can fail to restrain occupants in a crash, increasing injury risk.
What should I do if my 2021-2022 Prevost X3-45 Commuter is on this recall?
Check your VIN to confirm your specific bus is included in recall 21V485. If it is, contact Prevost or an authorized Prevost service location to arrange the seat inspection and seat belt clamp replacement. Use Prevost recall number SR SR21-308 when you call.
Is the recall repair free?
Yes. Federal recall law requires the repair to be completed at no cost, and Prevost will provide inspection instructions and replace the seat belt clamp free of charge. Parts and labor are covered for buses included in recall 21V485.
What is the safety risk in recall 21V485?
The risk is that unsecured passenger seats can fail to restrain occupants during a crash. The issue involves the seat belt clamp and wall-rail attachment on the outboard side, so the repair path is to inspect that attachment and replace the clamp for free.
When were owners notified about recall 21V485?
Prevost mailed owner notification letters on August 31, 2021. If you bought the bus used or never received a letter, check your VIN and call Prevost customer service at 1-866-870-2046 with recall number SR SR21-308.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/21V485000 |
|---|---|
| Prevost customer service | 1-866-870-2046 |
| NHTSA recall # | 21V485 |
| NHTSA recall # (full) | 21V485000 |
Source documents
-
Download Quarterly Report (PDF) - Download Recall Report (PDF)
- Download Owner Notification Letter (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 →