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Service bulletin SL-PS-42877

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 id10028884
Published by NHTSA2009-06-08
Manufacturer's numberSL-PS-42877
Manufacturer's date2009-02-10
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

CATERPILLAR: PRODUCT SUPPORT PROGRAM FOR REPLACING THE DIESEL PARTICULATE FILTER (DPF) ON C9 ENGINES INSTALLED IN MASS TRANSIT BUSES. MODEL AND MODEL YEARS UNKNOWN. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
CATERPILLAR C9
CATERPILLAR CATERPILLAR

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