WenmarOpen by Wenmar Pro

Service bulletin 9721A

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 id52413
Published by NHTSA1997-07-24
Manufacturer's number9721A
Manufacturer's date1997-04-29
Replaces9721
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

M11/N14 CELECT PLUS IN HEAVY DUTY TRUCKS WITH LEECE-NEVILLE OR DELCO ALTERNATOR. *TW

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
CUMMINS CUMMINS

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