For 2003 Peterbilt 379 Multi Rib Belt Fan and Alternator Dayco 57782JTZK

For 2003 Peterbilt 379 Multi Rib Belt Fan and Alternator Dayco 57499JB

For 2003 Peterbilt 379 Multi Rib Belt Fan and Alternator Dayco 99888VJBW

Fan and Alternator Multi Rib Belt Dayco 74WPBG19 for Peterbilt 379 2003

Fan and Alternator Multi Rib Belt Dayco 79VZGS86 for Peterbilt 379 2003

For 2005-2007 Peterbilt 379 Multi Rib Belt Fan and Alternator 75195RP 2006

For 1999 Peterbilt 379 Multi Rib Belt Fan and Alternator Gates 15161TNNY

For 2003 Peterbilt 379 Multi Rib Belt Fan and Alternator Gates 41781WY