Fuel System, Diesel:delivery:hoses, Lines/piping, And Fittings

NHTSA recall 26V662000 · announced October 8, 2026 · filed by Tiffin Motorhomes, Inc. · 177 units affected

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.

What to do

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 this recall

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.