2018–2021 Bolt Custom Trucks Custom Sleeper Recall: Adhesive that bonds the vented portion of the window may fail
NHTSA campaign 21V672000 · Equipment · filed Aug 29, 2021 · verified Jul 30, 2026
The defect
Gracie Ind. LLC d/b/Bolt Custom Trucks (Bolt Custom Trucks) is recalling certain 2018-2021 Custom Sleepers trucks equipped with Lippert Hehr 6400 Series windows. The adhesive that bonds the vented portion of the window may fail.
The risk
Adhesive failure may cause the vent portion of the window to detach, increasing the risk of a crash or injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will inspect the windows, and replace the vent if necessary, free of charge. Owner notification letters were mailed on October 15, 2021. Owners may contact Bolt Custom Trucks' customer service at 260-748-0314.
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.nhtsa.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Bolt Custom Trucks | Custom Sleeper | 2018, 2019, 2020, 2021 |
Source: NHTSA recall database, campaign 21V672000 (manufacturer number Lippert 21E047). Data last verified Jul 30, 2026.