Dayco Drive Belt Tensioner Assy Fan and Alternator For 2000-2004 Peterbilt 387

2000 Peterbilt 387 Engine: 12L -6; Position: Fan and Alternator;. 2001 Peterbilt 387 Engine: 12L -6; Position: Fan and Alternator;. 2001 Peterbilt 387 Engine: 14.6L L6; Position: Fan and Alternator;. 2001 Peterbilt 387 Engine: 15.8L L6; Position: Fan and Alternator;.