Dayco 5040390 - Poly Rib Serpentine Belt

poly rib belt the dayco poly rib belt is designed for power transmission on multiple-accessory drives.this poly rib belt is the latest version of the revolutionary multi-ribbed belt first developed by dayco for the 1979 ford mustang. constructed from epdm compounding, this dayco poly rib belt offers excellent resistance to high under hood temperatures and ozone contamination. specially formulated treated cord insures length and tension stability for the life of the belt.this belt has unique, extra deep ribs that prevents the belt from bottoming out in the deep grooved pulleys found on many import vehicles.the dayco poly rib belt meets or exceeds sae j1459 and sae j2432 specifications.