Delivery: hoses, lines/piping, and fittingsRecall 26V-662 · Tiffin vehicles
Tiffin Motorhomes, Inc. recall 26V-662 covers 177 Tiffin vehicles for a delivery: hoses, lines/piping, and fittings problem, reported to NHTSA on October 8, 2026.
Source: NHTSA recall 26V662000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
The 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.
The fix
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
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from May 6, 2021 to September 9, 2024. Not every vehicle in these model years is included; check by VIN.