2022-2025 Allegro Bus and other models recall: Fuel filter hoses may disconnect and leak fuel

Published October 8, 2026 by U.S. National Highway Traffic Safety Administration

What's being recalled

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.

How to identify it

NHTSA campaign 26V662000; Manufacturer campaign TIF-150

The 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

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

The official notice

This page is a summary of the notice published by U.S. National Highway Traffic Safety Administration, collected from U.S. National Highway Traffic Safety Administration. Check the original before you act on it.

Read the official notice

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What's being recalled

How to identify it

The hazard

What to do

The official notice

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