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Service bulletin TSB210055-030420

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10190757
Published by NHTSA2021-04-26
Manufacturer's numberTSB210055-030420
Manufacturer's date2021-03-04
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

This Technical Service Bulletin describes the availability of new high-pressure injector supply lines, fuel supply line, and fuel supply line braces when an existing component within the fuel system may be malfuctioning.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Vehicles listed
CUMMINS ISC
CUMMINS ISL9
CUMMINS L9

Listing a model year does not mean every vehicle of it is concerned: the document says which.