Hearth Record

Fuel system, diesel: delivery: hoses, lines/piping, and fittings (Cummins)

Vehicle equipment recall 26E-066. NHTSA received Cummins, Inc.’s report on Sep 28, 2026.

NHTSA’s own record, on nhtsa.gov

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The short answer

NHTSA received Cummins, Inc.’s report on Sep 28, 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.

Cummins, Inc.

(Cummins) is recalling 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.

Source:

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 are expected to be mailed November 20, 2026. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C7311. Engines remedied under Recalls 23E055, 24E038, or 25E004 will need to have the new redesigned parts installed.

Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

Which ones are recalled?

NHTSA counts 39,052 items potentially involved, across everything this recall names.

  • Part no. 6316754
  • Part no. 6316757
  • Part no. 6316899
Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • Cummins L9Built from Dec 7, 2020 to Apr 10, 2026

Who is recalling it?

  • Made by Cummins, Inc..
Source:

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.
Source:

Hearth Record wrote these lines.

Sources

  • 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).

Source:

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.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 28, 2026. Updated monthly.

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Every fact names its source.

Who published it, when, and how often it changes sit beside each fact, with a link to the agency’s own file.

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