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Vehicle recall · NHTSA · Published May 24, 2021

KEYSTONE COUGAR (2020) recall — Structure

Keystone recalls 2017-2021 Cougar 368MBI trailers due to frame rail buckling under side load, which may increase crash risk. Owners get free cross braces from dealers.

🇺🇸 NHTSA recall #21V380000VehicleKeystone ›
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✎ GovInfoNow plain-language explainer

What happened, in plain English

Keystone is recalling certain 2017-2021 Cougar 368MBI trailers because the frame rails might buckle under side load, potentially increasing crash risk. Owners should contact dealers for free repairs to add cross braces. Read more at govinfonow.com/recall/79784-keystone-cougar-2020-recall-frame-rail-buckle-risk.

Source Summary by GovInfoNow · govinfonow.com/recall/79784-keystone-cougar-2020-recall-frame-rail-buckle-risk · Updated October 4, 2026 · Official notice: NHTSA #21V380000

Cite this page

“Keystone Cougar 2020 Recall: Frame Rail Buckle Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/79784-keystone-cougar-2020-recall-frame-rail-buckle-risk. Based on NHTSA recall #21V380000 (https://www.nhtsa.gov/recalls?nhtsaId=21V380000).

Why it’s dangerous

The frame rails lack sufficient cross support, which could buckle when the trailer experiences side-load stress. This buckling might increase the risk of a crash during normal use.

Who’s affected

Owners of 2017-2021 Keystone Cougar 368MBI trailers are affected. Those who frequently drive on uneven terrain or carry heavy loads on one side are at higher risk.

How to tell if you have this one

Check for 2017-2021 Keystone Cougar 368MBI trailers. The recall was notified to owners via mail on July 15, 2021.

  • Brand
    Keystone
  • Category
    Vehicle
Based on the official NHTSA remedy

What to do — step by step

  1. Contact Dealer for Repair

    Dealers will add cross braces between the spring hanger and outrigger for free.

  2. Check Notification Date

    Owner notification letters were mailed July 15, 2021.

Official remedy

What NHTSA says 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.

✎ GovInfoNow

Questions people ask

Why is this recall happening?

The frame rails do not have enough cross support, which could cause them to buckle under certain side-load stress conditions.

How can I tell if my trailer is affected?

Check if you own a 2017-2021 Keystone Cougar 368MBI trailer.

What should I do if I have this trailer?

Contact a Keystone dealer for free cross braces to add between the spring hanger and outrigger.

Take action

Contact Keystone

We’ve drafted a message you can send Keystone to request your refund or repair — edit it as you like.

Subject: Recall 21V380000 — Keystone Keystone

Hello,

I own a Keystone that is covered by recall 21V380000 from Keystone.

The official recall notice states: 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.

I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?

Thank you.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: NHTSA Recall #21V380000 (May 24, 2021)
  • Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not NHTSA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA