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Other 25CSA-03

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)
TypeOther
NHTSA id11014904
Published by NHTSA2025-03-04
Manufacturer's number25CSA-03
Manufacturer's date2025-02-26
NHTSA componentENGINE

NHTSA's summary

Customer Service Annoucement for Gen 5 Cylinder Head Gasket, High No Trouble Found (NTF) Rate and Part Handling

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

Engine

Vehicles listed
DETROIT DIESEL DD13
DETROIT DIESEL DD15

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