Use cautionVehicle recall · NHTSA · Published November 19, 2020
Thor Motor Coach 2021 Four Winds Motorhomes: Gas Leak Fire Risk
Thor Motor Coach is recalling certain 2021 Four Winds motorhomes with Dometic 3-burner stoves due to a potential gas leak causing fire risk. Owners must have the saddle valve bolt overtightened.
“Thor Motor Coach 2021 Four Winds Motorhomes: Gas Leak Fire Risk.” GovInfoNow, updated August 18, 2026. https://govinfonow.com/recall/80692-thor-motor-coach-2021-four-winds-motorhomes-gas-leak-fire. Based on NHTSA recall #20V718000 (https://www.nhtsa.gov/recalls?nhtsaId=20V718000).
Thor Motor Coach is recalling certain 2021 Four Winds motorhomes due to a gas leak that increases the risk of fire, the National Highway Traffic Safety Administration announced on November 19, 2020. Dealers will install remedy kits free of charge.
How to tell if you have it
Thor Motor Coach Four Winds, 2021
What to do
TMC will notify owners, and dealers will install a remedy kit of gaskets, washers, thread locker bolts, and two round orange labels, free of charge. The recall began January 14, 2021. Owners may contact TMC customer service at 1-877-855-2867.
The hazard
A gas leak can increase the risk of a fire. The saddle valve securing bolt may be overtightened, possibly damaging the o-ring seal and causing a continuous gas leak.
Context
GovInfoNow's records show Thor Motor Coach has 93 other recalls on record since September 9, 2010. Other recent recalls of similar products include Thor Motor Coach 2022-2024 Recreational Vehicles: Solar Panel Detachment Risk (November 17, 2025), Thor Motor Coach 2022 Tellaro Solar Panel Recall: Risk of Detachment (November 17, 2025), and Thor Motor Coach Quantum 2025 Recall: LP Hose Fire Risk (October 17, 2025). Additional similar recalls include KTM Husqvarna Svartpilen 401 (2024) Fuel Leak Recall: Fire Risk (October 30, 2025), Tiffin Phaeton Recall: Fuel Leak Fire Risk (October 8, 2026), and Tiffin GT1 (2025) Recall: Fuel Leak Fire Risk (May 26, 2026).
How to tell if you have this one
Check if your 2021 Thor Motor Coach Four Winds has a Dometic 3-burner cooking stove. The recall started January 14, 2021, and affects models with the saddle valve bolt potentially overtightened.
Brand
Thor Motor Coach
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Contact TMC Customer Service
Call 1-877-855-2867 to confirm your motorhome is affected and schedule the free remedy kit installation.
Get the Remedy Kit
TMC will mail a free kit containing gaskets, washers, thread locker bolts, and two round orange labels to fix the gas leak.
Official remedy
What NHTSA says to do
TMC will notify owners, and dealers will install a remedy kit of gaskets, washers, thread locker bolts, and two round orange labels, free of charge. The recall began January 14, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000207.
How this recall unfolded
Recall timeline
2 dated steps over 56 days.
1NHTSA received the defect report
2Recall began
Dates from the agency record only; steps without a date are left out.
Take action
Contact Thor Motor Coach
We’ve drafted a message you can send Thor Motor Coach to request your refund or repair — edit it as you like.
Subject: Recall 20V718000 — Thor Motor Coach 2021 Four Winds Motorhomes: Gas Leak Fire Risk
Hello,
I own a Thor Motor Coach 2021 Four Winds Motorhomes: Gas Leak Fire Risk that is covered by recall 20V718000 from Thor Motor Coach.
The official recall notice states: TMC will notify owners, and dealers will install a remedy kit of gaskets, washers, thread locker bolts, and two round orange labels, free of charge. The recall began January 14, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000207.
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.
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.
Plain-language summary written by qwen3:4b on August 18, 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.