May 24, 2021 NHTSA CAMPAIGN NUMBER: 21V380000
A buckled frame rail can increase the risk of a crash.
NHTSA Campaign Number: 21V380
Manufacturer Keystone
RV Company
Components SUSPENSION, STRUCTURE
Potential Number of Units Affected 1,990
Summary
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.
Remedy
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.
Notes
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.
Keystone
RV Company
7/13/21
SAFETY ADVISORY # 21-411
Cougar 368MBI Frame Brace
Keystone
is conducting a voluntary RECALL notification campaign in accordance with the National Highway Transportation and Safety Act. It has been decided under certain side load stress conditions the frame exhibits excessive flexing at the area of the axle spring hangers. Under certain conditions during travel, the frame rail may yield and buckle possibly leading to an increased failure and vehicle crash.
Model: Cougar Fifth Wheel 368MBI
| Year | Serial Number Ranges |
| 2017 | H2507991 – H2507991 |
| 2018 | J2500656 – J2513103 |
| 2019 | K2500281 – K2512038
KR505946 – KR506005 |
| 2020 | L2500107 – L2508889 |
| 2021 | M2500058 – M2504615 |
Parts Required:
3 – KRV # 681711 – Frame – KS – Axle Brace Assembly – (Includes 1 hanger brace and 2 hanger plates) (This part may be ordered in bulk without a VIN)
1 – KRV # 501127 – Frame – Outrigger – Bolt On – 13.50″ x 6.88″ x 1.5″ (This part may be ordered in bulk without a VIN)
12 – KRV # 682401 – Bolt – #13 – 1/2″ x 1 1/2″ – Hex Cap – Zinc – GR5 (This part may be ordered in bulk without a VIN)
12 – KRV # 163795 – Nut – 13 – 1/2″ – Locknut – Hex – Nylon – Zinc (This part may be ordered in bulk without a VIN)
Tools Required:
– ¾” wrench – ¾” Socket and ratchet
– 3/8” nut driver
-screw gun
Note – Check serial number on Key Express to verify the campaign is open. Some vehicles were repaired before they left Keystone
.
When performing warranty or recall service, please make certain that appropriate Personal Protective Equipment (PPE) is used.
The remedy is to add cross braces across each set of spring hangers, three total, and add an outrigger directly above center spring hanger on the off door side of the unit.
REPAIR INSTRUCTIONS
Step 1
Locate the trailer on a level, flat, hard surface. Chock the wheels.
Step 2
Locate the front, middle, and rear sets of spring hangers on the frame.
Step 3
Add KRV# 681711 Frame – KS – Axle Brace Assembly – (Includes 1 hanger brace and 2 hanger plates) as shown in Figures 1 and 2 using KRV# 682401 Bolt – #13 – 1/2″ x 1 1/2″ – Hex Cap – Zinc – GR5 and KRV# 163795 Nut – 13 – 1/2″ – Locknut – Hex – Nylon – Zinc to attach the brace to each set of spring hangers.
This notice applies to your vehicle: «VIN»
Dear «Owner_name»:
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Keystone
RV Company has decided that a defect which relates to motor vehicle safety exists in certain model 2017-2021 Cougar Fifth Wheels. As a result, Keystone
RV is conducting a safety recall. We apologize for any inconvenience this action may cause you; however your safety and continued satisfaction are of the utmost importance to us.
Reason for this recall
It has been decided under certain side load stress conditions the frame exhibits excessive flexing at the area of the axle spring hangers. Under certain conditions during travel, the frame rail may yield and buckle possibly leading to an increased failure and vehicle crash.
What we will do
Keystone
representatives have been in contact with the staff at your selling dealership regarding this situation. The remedy is to add cross braces between each spring hanger and an outrigger between the tires on the off door side of the vehicle. The service and parts required for this corrective action will be provided at no charge to you.
What we need you to do
Unload the vehicle before transporting to the dealer for repairs. As soon as possible, please make an appointment to have your RV serviced by your dealership. The labor time to perform this correction is approximately 1 hour. Please ask your dealer if you wish to know how much additional time will be needed to schedule and process your RV for this repair.
If you have questions
Your dealer is best equipped to obtain parts and provide service to ensure your RV is corrected as promptly as possible. Please contact Keystone
Customer service if your dealer is unable to assist or if you take your RV to your dealer on the agreed service date, and the dealer does not remedy the condition within a reasonable amount of time, or without charge to you. You may be eligible to receive reimbursement if you paid to have the defect resolved prior to receiving this correspondence.
Keystone
Customer Service is available toll-free at 1-866-425-4369.
If after contacting Keystone
Customer Service you are still not satisfied we have done our best to remedy this situation, you may also submit a written complaint to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590. You may call the toll-free Vehicle Safety Hotline at 1-888-3274236 (TTY: 1-800-424-9153; or go to https://www.safercar.gov.) Federal regulations require that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days.
Thank you for your attention and cooperation in this matter.
Sincerely,
KEYSTONE
RV COMPANY
SEOCONTENT-START
WARRANTY REIMBURSEMENT
REPAIR
Submit the claim on Key Express using Flat Rate Code # 7141142K
In the Complaint section note: Safety Advisory # 21-411
In the Cause section note: Safety Advisory # 21-411
In the Correction section note: Cross Braces and Outrigger installed.
The amount of time authorized for this repair is 0.5 hour.
PARTS DISPOSITION
No part return.
Please call Keystone
RV Customer Service at 866-273-1454 if you have any questions.
*****************************************************************************************************************
PO Box 2000 – Goshen, IN 46527-2000
Phone: (574) 535-2100 – Fax: (574) 535-2199
www.keystonerv.com
IMPORTANT SAFETY RECALL
«Owner_name»
«Street»
«Street_2»
«City», «State» «Zip»
This notice applies to your vehicle: «VIN»
Dear «Owner_name»:
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act.
Keystone
RV Company has decided that a defect which relates to motor vehicle safety exists in certain model
2017-2021 Cougar Fifth Wheels. As a result, Keystone
RV is conducting a safety recall. We apologize for any
inconvenience this action may cause you; however your safety and continued satisfaction are of the utmost importance
to us.
It has been decided under certain side load stress conditions the frame exhibits excessive flexing at
the area of the axle spring hangers. Under certain conditions during travel, the frame rail may yield
and buckle possibly leading to an increased failure and vehicle crash.
Keystone
representatives have been in contact with the staff at your selling dealership regarding this
situation. The remedy is to add cross braces between each spring hanger and an outrigger between
the tires on the off door side of the vehicle. The service and parts required for this corrective action
will be provided at no charge to you.
Unload the vehicle before transporting to the dealer for repairs.As soon as possible, please make an
appointment to have your RV serviced by your dealership. The labor time to perform this correction
is approximately 1 hour. Please ask your dealer if you wish to know how much additional time will
be needed to schedule and process your RV for this repair.
Your dealer is best equipped to obtain parts and provide service to ensure your RV is corrected as
promptly as possible. Please contact Keystone
Customer service if your dealer is unable to assist or
if you take your RV to your dealer on the agreed service date, and the dealer does not remedy the
condition within a reasonable amount of time, or without charge to you. You may be eligible to
receive reimbursement if you paid to have the defect resolved prior to receiving this correspondence.
Keystone
Customer Service is available toll-free at 1-866-425-4369.
If after contacting Keystone
Customer Service you are still not satisfied we have done our best to remedy this situation,
you may also submit a written complaint to: Administrator, National Highway Traffic Safety Administration, 1200
New Jersey Avenue, SE, Washington, DC 20590. You may call the toll-free Vehicle Safety Hotline at 1-888-327-
4236 (TTY: 1-800-424-9153; or go to https://www.safercar.gov.) Federal regulations require that any vehicle lessor
receiving this recall notice must forward a copy of this notice to the lessee within ten days.
Thank you for your attention and cooperation in this matter.
Sincerely,
KEYSTONE
RV COMPANY
Rick Deisler
Vice President Service Operations
cc: National Highway Traffic Safety Administration (NHTSA)
Reason for
this recall
What we
will do
What we
need you to
do
If you have
questions
RECREATIONAL VEHICLE
SAFETY RECALL NOTICE
Safety Recall: 21V-380
Safety Advisory: 21-411
July 15, 2021
*****************************************************************************************************************
PO Box 2000 – Goshen, IN 46527-2000
Phone: (574) 535-2100 – Fax: (574) 535-2199
www.keystonerv.com
SAFETY ADVISORY 21-411
«Dealer_name»
ATTN: Service Manager
«Street»
«Street_2»
«City», «State» «Zip»
«Country»
Dear «Dealer_name»,
Keystone
RV Company has decided that a defect which relates to motor vehicle safety exists in certain model
2017-2021 Cougar Fifth Wheels. As a result, Keystone
RV is conducting a safety recall.
It has been decided under certain side load stress conditions the frame exhibits excessive flexing at
the area of the axle spring hangers. Under certain conditions during travel, the frame rail may yield
and buckle possibly leading to an increased failure and vehicle crash. The vehicles included in the
recall are:
Model: Cougar Fifth Wheel 368MBI
Year Serial Number Ranges
2017 H2507991 – H2507991
2018 J2500656 – J2513103
2019 K2500281 – K2512038
KR505946 – KR506005
2020 L2500107 – L2508889
2021 M2500058 – M2504615
Our records indicate unit(s) sold or in your present lot inventory fall within this range, which will require immediate
preventative action. Important: If some of the units are still in your inventory, Federal Law requires you to
complete the recall service on those units before retail delivery. The unit VIN(s) our records indicate are presently in
your inventory or have been sold are as follows:
«VIN1» «VIN2» «VIN3» «VIN4»
«VIN5» «VIN6» «VIN7» «VIN8»
«VIN9» «VIN10» «VIN11» «VIN12»
«VIN13» «VIN14» «VIN15» «VIN16»
«VIN17» «VIN18» «VIN19» «VIN20»
«VIN21» «VIN22» «VIN23» «VIN24»
«VIN25» «VIN26» «VIN27» «VIN28»
«VIN29» «VIN30» «VIN31» «VIN32»
«VIN33» «VIN34» «VIN35» «VIN36»
«VIN37» «VIN38» «VIN39»
— Serial numbers with ‘*’ have been retail sold —
Claims for the units which have been serviced must be submitted. Claims submitted will be used by Keystone
to
record recall service completions and provide dealer payments. Enclosed is a copy of the Safety Advisory #21-411,
which details how to remedy the situation and the proper reimbursement procedures.
We apologize for any inconvenience this situation may cause and greatly appreciate your cooperation. Should you
have any questions or concerns regarding this correspondence or the enclosed Safety Advisory, please feel free to
contact us.
Sincerely,
KEYSTONE
RV COMPANY
Reason for
this recall
RECREATIONAL VEHICLE
SAFETY RECALL NOTICE
Safety Recall: US: 21V-380
CAN: 2021-317
Safety Advisory: 21-411
July 15, 2021
PO Box 2000 – Goshen, IN 46527-2000
Phone: (574) 535-2100 – Fax: (574) 535-2199
www.keystonerv.com
Rick Deisler
Vice President Service Operations
cc. National Highway Traffic Safety Administration (NHTSA)
cc. Transport Canada
*****************************************************************************************************************
SEOCONTENT-END
5 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| KEYSTONE | COUGAR | 2017-2021 |
9 Associated Documents
Remedy Instructions and TSB
RCRIT-21V380-1169.pdf 164.259KB
ISSUED Owner Notification Letter(Part 577)
RCONL-21V380-0952.pdf 92.648KB
Manufacturer Notices(to Dealers,etc)
Manufacturer Notices(to Dealers,etc)-Dealer Email
Recall 573 Report – Amendment 1
RCLRPT-21V380-9113.PDF 215.662KB
Recall Acknowledgement
RCAK-21V380-4359.pdf 646.246KB
Defect Notice 573 Report
RCLRPT-21V380-6968.PDF 215.622KB
Recall Quarterly Report #2, 2021-4
RCLQRT-21V380-6568.PDF 211.23KB
Recall Quarterly Report #1, 2021-3
RCLQRT-21V380-6852.PDF 211.124KB
Latest Recalls Documents
- MULTI PROCESS: Experience the convenience of a high-quality, budget-friendly 3-in-1 welding machine that masterfully handles Gasless Flux Core MIG/Stick/Lift TIG(additional 10-25 lift TIG torch required). This unit caters to a wide range of welding applications and meets your various welding needs.
- WELDING CAPACITY: With a robust 135 Amp output, this welder is capable of tackling mild steel workpieces up to 3/32 inch(2.5mm) thick. It is compatible with 2LB .030’’ and .035’’ welding wire. For Stick Welding, the Hot Start and Arc Force can be adjusted to enhance your welding experience.
- SYNERGIC CONTROL: The wire feeding speed is flexibly adjustable (030": 120-420 in/min;.035'': 120-308 in/min). When adjusting the wire feeding speed, the voltage will be automatically matched to a recommended value, and you can fine tune the voltage between -3V~3V. Ideal for both beginners and seasoned professionals.
- DIGITAL DISPLAY: The advanced digital display revolutionizes the welding interface, offering enhanced clarity and operational efficiency. Monitor the real-time current during welding for precise control.
- LIGHT&PORTABLE: Weighing just 11.4 lbs, this lightweight and compact welder is a breeze to transport, making it the perfect companion for on-the-go welding projects with its carrying handle.
- 4-IN-1 MIG Welder: The welder machine offers GAS MIG/Flux Core MIG/Lift TIG/ MMA welding modes (Note: WP-17V TIG torch must be purchased separately). It can easily handle welding stainless steel, carbon steel, and even thicker steel materials, meeting diverse welding requirements.
- TECHNICAL UPGRADE: This welding machine features upgraded MCU and IGBT technologies, enabling users to precisely adjust parameters for Synergy MIG (plate thickness, voltage, welding speed), Manual MIG (current, voltage), and MMA (hot start, arc force, etc.) while its dual-voltage design (110V/220V) supports flexible power switching (Caution: Ensure the screen is off and the fan has stopped before changing voltage settings).
- LARGE LED DISPLAY: With an exclusive human-computer interaction LED screen design, this welder provides accurate data display, allowing you to read it more easily and clearly without removing your helmet. This welder also has 2T/4T functions, which can seamlessly switch between continuous welding (4T) for long-term operations and trigger-controlled precision welding (2T) for fine operations, improving efficiency and flexibility.
- HIGH PERFORMANCE: The output current up to 165A, rated duty cycle: 60%, equipped with an upgraded cooling fan, the heat dissipation performance is improved by 30%, and can easily complete various welding tasks. This welder is capable of tackling mild steel workpieces up to 3/16” thick.
- SAFETY PROTECTION: The 165A MIG welder Built-in over-current protection, over-load protection, overheating, and over-voltage function that extend the lifespan of the machine.
- 5 IN 1 MULTIFUNCTIONAL: The MIG-205DS PRO is capable of Gas MIG/Flux Core MIG/Spool Gun Aluminum MIG/Lift TIG/Stick. (additional lift TIG torch required and spool gun required). This unit caters to a wide range of welding applications and meets your various welding needs.
- WELDING CAPACITY: With a robust 200 Amp output, 110V/220V dual voltage, this welder is in possession of reliable quality and stable performance. It's widely used in various scenarios, including automotive, construction, fabrication and DIY. It's suitable for welding thin and thick materials, such as steel, aluminum, and stainless steel.
- SYNERGIC&MANUAL MIG: The wire feeding speed is flexibly adjustable(Min:58 in/min; Max:858 in/min), when adjusting the wire feeding speed, the voltage will be automatically matched to a recommended value, and you can fine tune the voltage between -3V~3V. Great choice for beginners. You can also manually adjust the wire feeding speed and voltage according to your preferences, which is ideal for seasoned professionals.
- DIGITAL DISPLAY: The advanced digital display revolutionizes the welding interface, offering enhanced clarity and operational efficiency. Monitor the real-time current during welding for precise control.
- SAFETY PRIORITIZED: Our product features comprehensive safeguards, including automatic compensation for voltage fluctuation, robust protections against over-current, over-load, and over-heating, ensuring unparalleled user safety and device longevity.
- 【3-IN-1 WELDER】Compact 3 in 1 welder combines MIG welder, Stick, and Lift TIG welding machine functions to tackle a wide range of welding tasks. With 30–145A output and support for carbon and stainless steel (1–5mm), it’s ideal for home DIY, repairs, and outdoor metal work. (NOTE: TIG torch not included—please purchase separately)
- 【COMPACT & PORTABLE】This little welder machine 110V packs big power into just 7.5 lbs. Easy to carry with one hand, it’s perfect for your garage, yard, or job site. Don’t let its small size fool you—this compact welding machine delivers strong, reliable welds wherever you need them
- 【SMART SYNERGIC CONTROL】Perfect for beginners! Just set your wire diameter (.030"/.035") or amperage (30-145A)—the welder machine auto-adjusts voltage and wire speed. It even suggests metal thickness! Start welding like a pro, even if it’s your first time
- 【CLEAR LED DISPLAY】The bright digital screen shows real-time welding amperage and wire diameter, so you can monitor and adjust settings on your mig welder 110V without removing your mask. Intuitive and easy to use, it ensures consistent, high-quality welds—perfect for both experienced welders and weekend DIYers
- 【WHAT YOU WILL GET】Everything you need is in one box! Includes: 1*145A MIG welder 110V, 1*14AK MIG torch, 1* Ground clamp, 1*Electrode holder, 5* 2.5" Welding rods, 1*0.9mm flux core wire, 2* Contact tips, 1* Wrench, 1* Safety goggles, 1*Pair of gloves, 1*Hammer and 1* User manual. Plug it in and start your first project within minutes—no extra purchases required
- MULTIFUNCTIONAL: A 4-in-1 welder, capable of Flux Core MIG/Gas MIG/ Stick/Lift TIG (need to purchase extra tig lift torch). This unit caters to a wide range of welding applications and meets your various welding needs.
- WELDING CAPACITY: With a robust 160A output, 110V/220V dual voltage, this welder is in possess of reliable quality and stable performance. It's widely used in various scenarios, including automotive, construction, fabrication and DIY. This Welder can work with 2LB and 10LB spools of .030"(0.8mm) and .035" (0.9mm) solid core wire, flux core wire. It also performs well with most 6010, 6011, 6013 and 7018 rods in Stick Welding mode.
- SMART CONTROL: Smart control refers to Synergic control, when selecting different thicknesses or adjust the amperage, the recommend voltage and wire feeding speed will be automatically switched into. Great choice for beginners.
- MANUAL CONTROL: You can manually adjust the wire feeding speed and voltage according to your preferences, which is ideal for seasoned professionals and DIYers.
- LED DISPLAY: Advanced LED digital display, subverts the traditional visual experience, increases the visual clarity and improves the efficiency of the operation.
Last update on 2026-06-13 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.


![21-411 - Frame Rail May Buckle - 2017-2021 Keystone Cougar 368MBI Trailers 4 ARCCAPTAIN 165A MIG Welder 110V/220V [Large LED Display] 4 in 1 Gasless/Gas MIG/Lift TIG/Stick Welding Machine Multiprocess Welder Machine, IGBT Inverter Welder with Synergy, 2T/4T](https://m.media-amazon.com/images/I/51GW2TUAy1L._SL160_.jpg)


