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Tiffin Motorhomes, Inc.: Fuel System, Diesel:Delivery:Hoses, Lines/Piping, And Fittings (2022 TIFFIN ALLEGRO BUS, 2022 TIFFIN PHAETON, 2023 TIFFIN ALLEGRO BUS…)

Vehicles & EquipmentSource: NHTSA · Date: 2026-10-08

Read the official notice at NHTSA →

The text below is copied from the official NHTSA record. If anything differs, the official notice is correct.

Company / brand
Tiffin Motorhomes, Inc.
Product
2022 TIFFIN ALLEGRO BUS; 2022 TIFFIN PHAETON; 2023 TIFFIN ALLEGRO BUS; 2023 TIFFIN PHAETON; 2024 TIFFIN ALLEGRO BUS; 2024 TIFFIN PHAETON; 2025 TIFFIN ALLEGRO BUS; 2025 TIFFIN PHAETON
Reason / hazard
A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
What to do (remedy)
Cummins dealers will replace the fuel hoses, free of charge. Owner notification letters are expected to be mailed November 20, 2026. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-150
Distribution / sold at
Potentially affected: 177
Defect
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2022-2025 Allegro Bus, and Phaeton motorhomes, equipped with certain L9 diesel engines, part number D563027BX03. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
Component
FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
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