# Sutphen Corporation: Fuel Filter Hoses May Disconnect and Leak Fuel (26V661000)

**Recall Urgency Score:** 35/100

| Field | Value |
|---|---|
| Manufacturer | Sutphen Corporation |
| Subject | Fuel Filter Hoses May Disconnect and Leak Fuel |
| NHTSA ID | 26V661000 |
| Manufacturer campaign | C7311 |
| Recall type | Vehicle |
| Component | FUEL SYSTEM, DIESEL |
| Units potentially affected | 410 |
| Do not drive | No |
| Park outside | No |
| Defect | Sutphen Corporation (Sutphen) is recalling certain 2021 fire trucks equipped with Cummins L9 diesel engines with part number D563027BX03. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall. |
| Consequence | 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 December 7, 2026. Owners may contact Cummins customer service at 1-800-286-6467 or Sutphen's customer service at 1-614-889-1005. Cummins number for this recall is C7311. |

## Why this score
- Safety-critical component (fuel system).
- 410 units affected.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) recalls, via data.transportation.gov (https://www.nhtsa.gov/recalls?nhtsaId=26V661000). Last refreshed: 2026-11-04T18:12:01.520Z.
Recall data comes from NHTSA and is summarized automatically; check the official notice and VIN lookup before acting. Informational only.