Fuel system, diesel: delivery: hoses, lines/piping, and fittings (Cummins)
Vehicle equipment recall 21E-063. NHTSA received Cummins, Inc.’s report on Jul 13, 2021.
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The short answer
NHTSA received Cummins, Inc.’s report on Jul 13, 2021. 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.
Cummins, Inc.
(Cummins) is recalling certain L9 Diesel Engines, with part number D563027BX03, that are equipped with a remote Stage 2 fuel filter and pressurized hoses.
A fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head.
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?
Dealers will replace the fuel hoses, free of charge. Owner notification letters were mailed September 3, 2021. Owners may contact Cummins’ customer service at 1-800-286-6467. Cummins number for this recall is C2465.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
- How to reach the firm: 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.
Which ones are recalled?
NHTSA counts 2,922 items potentially involved, across everything this recall names.
-
Part no.
5563641 -
Part no.
5563642 -
Part no.
5563643
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
- Cummins L9NHTSA gives no dates made
Who is recalling it?
- Made by Cummins, Inc..
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.
- Which ones, by part or lot: the recall’s report on NHTSA’s site gives them where the maker did; this file gives part numbers only where its maker listed them.
- 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.