NHTSA Recall 26V662000: Hoses, lines/piping, and fittings (fuel system)
Tiffin Motorhomes, Inc. reported this safety recall to NHTSA on , covering an estimated 177 vehicles. It affects 2 models including the Tiffin Allegro Bus.
| NHTSA campaign | 26V662000 |
|---|---|
| Manufacturer campaign | TIF-150 |
| Component | FUEL SYSTEM, DIESEL › DELIVERY › HOSES, LINES/PIPING, AND FITTINGS |
| Report received | October 8, 2026 |
| Initiated by | Manufacturer |
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.
Safety risk
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.
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
Vehicles covered by recall 26V662000
| Make and model | Model years |
|---|---|
| Tiffin Allegro Bus | 2022, 2023, 2024, 2025 |
| Tiffin Phaeton | 2022, 2023, 2024, 2025 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.