Fuel system, diesel: delivery: hoses, lines/piping, and fittings (Sutphen)
Vehicle recall 26V-661. NHTSA received Sutphen Corporation’s report on Oct 8, 2026.
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The short answer
NHTSA received Sutphen Corporation’s report on Oct 8, 2026. Copied from NHTSA on Oct 20, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
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.
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.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
- NHTSA’s part: Fuel system, diesel: delivery: hoses, lines/piping, and fittings.
What should you do?
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.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 410 vehicles potentially involved, across everything this recall names.
Each model year opens its own page: every recall naming it, its owner complaints and its crash ratings.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
- Sutphen Fire Truck2021
Who is recalling it?
- Made by Sutphen Corporation.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt. Owners’ complaints are counted on each vehicle’s page.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 20, 2026 and checked Oct 20, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 20, 2026.