Campaign 24V-390

Insufficient crimping may allow the remote fuel filter hoses to disconnect and leak, decreasing fuel supply to the engine

Defect summary

Gillig, LLC (Gillig) is recalling certain 2023 Low Floor buses equipped with Cummins L9 diesel engines with part number D563027BX03. Insufficient crimping may allow the remote fuel filter hoses to disconnect and leak, decreasing fuel supply to the engine.

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire. Additionally, a lack of fuel can cause an engine stall, increasing the risk of a crash.

Remedy

Cummins will replace the remote fuel filter hoses. Owner notification letters were mailed June 21, 2024. Owners may contact Gillig customer service at 1-510-264-5073 or 1-800-735-1500.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 24V390000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about fuel system on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 24V-390
Make	Model	Model years	Complaints on this component
Gillig	LOW Floor	2023	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

1 service bulletin on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

26V-142 Mar 12, 2026
Air compressor intake pipe may contact and damage the fuel line
21V-563 Jul 23, 2021
Fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head
21V-352 May 14, 2021
Sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak
20V-239 Apr 29, 2020
Thermally activated pressure relief device (PRD) installed on the CNG fuel system may not vent the system when exposed to heat, potentially…
16V-931 Dec 23, 2016
These buses have gas detection electronics that may be disabled without providing the operator with a warning of a system malfunction
14V-521 Aug 28, 2014
Cummins ISB or ISL engines in these vehicles may have been equipped with Fleetguard UFF-XT fuel filters, part number FF63009, whose filter shell…