QSM11 Cummins Alternator Pulley 3349539 Parts Catalog Ref No. Part Name Part No. Required 1 Alternator 4078701 1 2 Alternator Pulley 3349539 1 Above is the introduction of the Cummins Alternator Pulley 3349539, while if you need Alternator Pulley 3349539, complete Cummins engine or other Cummins product, please further consult our sales.