2017–2021 Keystone Cougar Recall: Frame rails do not have enough cross support, which could cause them to…
NHTSA campaign 21V380000 · Structure · filed May 24, 2021 · verified Jul 30, 2026
The defect
Keystone RV Company (Keystone) is recalling certain 2017-2021 Keystone Cougar 368MBI trailers. The frame rails do not have enough cross support, which could cause them to buckle under certain side-load stress conditions.
The risk
A buckled frame rail can increase the risk of a crash.
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 add cross braces between each spring hanger and an outrigger between the tires on the off-door side of the vehicle, free of charge. Owner notification letters were mailed July 15, 2021. Owners may contact Keystone customer service at 1-866-425-4369. Keystone's number for this recall is 21-411.
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
Related recalls
More Keystone Cougar recalls
- 2025–2026 Keystone Alpine and 3 other models — Shock bolts may have been incorrectly tightened
- 2025 Keystone Arcadia and 1 other model — Pin box fasteners may have been improperly tightened
- 2022–2023 Keystone Cougar — These vehicles may have been manufactured without an…
- 2022 Dutchmen Aspen Trail and 15 other models — Electric retractable awning has a welded seam on the fabric…
- 2022 Keystone Cougar — Base may have incomplete welds that are unable to hold the…
Other campaigns involving Keystone vehicles
Source: NHTSA recall database, campaign 21V380000 (manufacturer number 21-411). Data last verified Jul 30, 2026.