Tiffin 2021 Allegro Bus Recall: Fuel Leak Fire Risk
Tiffin recalls 2021-2022 Allegro Bus motorhomes with Cummins L9 diesel engines due to potential fuel leaks that could cause fire if near ignition sources. Owners must have fuel hoses replaced free by dealers.
Use caution until it’s fixed
A fuel leak in the presence of an ignition source can increase the risk of a fire.
Contact the company
What happened, in plain English
Tiffin is recalling certain 2021-2022 Allegro Bus motorhomes with Cummins L9 diesel engines because a fuel leak could cause fire if near ignition sources. This affects owners who received the specific fuel hoses mentioned in the recall notice. Read more at govinfonow.com/recall/80700-tiffin-2021-allegro-bus-recall-fuel-leak-fire-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/80700-tiffin-2021-allegro-bus-recall-fuel-leak-fire-risk · Updated October 4, 2026 · Official notice: NHTSA #21V545000
Cite this page
“Tiffin 2021 Allegro Bus Recall: Fuel Leak Fire Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80700-tiffin-2021-allegro-bus-recall-fuel-leak-fire-risk. Based on NHTSA recall #21V545000 (https://www.nhtsa.gov/recalls?nhtsaId=21V545000).
Why it’s dangerous
A fuel leak can occur from the fuel hose between the fuel pump and remote filter head. If this leak is near an ignition source, it could cause a fire. The hazard is not immediate but requires specific conditions to trigger.
Who’s affected
Owners of 2021-2022 Tiffin Allegro Bus motorhomes with Cummins L9 diesel engines are affected. Those who have the specific fuel hoses mentioned in the recall are most at risk.
How to tell if you have this one
Check if your 2021-2022 Tiffin Allegro Bus has Cummins L9 diesel engines. The recall specifically mentions fuel hoses between the fuel pump and remote filter head.
- Brand
Tiffin- Category
Vehicle
What to do — step by step
Contact Tiffin Customer Service
Call 1-256-356-8661 to confirm your model and schedule a free fuel hose replacement.
Have Fuel Hoses Replaced
Dealers will replace the fuel hoses at no cost to you once you contact Tiffin customer service.
What NHTSA says to do
Dealers will replace the fuel hoses, free of charge. Owner notification letters were mailed September 10, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-117.
How this recall unfolded
Recall timeline
Owners were mailed letters 52 days after NHTSA received the defect report.
- NHTSA received the defect report
- Owner letters mailed
Dates from the agency record only; steps without a date are left out.
Contact Tiffin
We’ve drafted a message you can send Tiffin to request your refund or repair — edit it as you like.
Subject: Recall 21V545000 — Tiffin 2021 Allegro Bus Recall: Fuel Leak Fire Risk Hello, I own a Tiffin 2021 Allegro Bus Recall: Fuel Leak Fire Risk that is covered by recall 21V545000 from Tiffin. The official recall notice states: Dealers will replace the fuel hoses, free of charge. Owner notification letters were mailed September 10, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-117. 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 #21V545000 (July 20, 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.