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Service bulletin 050403

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 id10015119
Published by NHTSA2005-05-25
Manufacturer's number050403
Manufacturer's date2005-04-01
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

MONACO COACH CORPORATION HAS BEEN ADVISED THAT CATERPILLAR INC. HAS INITIATED A CAMPAIGN PERTAINING TO THE REPLACEMENT OF THE ENGINE OIL DIPSTICK ON CERTAIN C-13 ENGINES. THESE ENGINES WERE INSTALLED. *TT

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
BEAVER COACH MARQUIS2005
BEAVER COACH PATRIOT/THUNDER2005

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