,ACDelco: 15-21606 Denso: 471-0379, MC447220-4271 Frigette: 204-1579 Four Seasons: 77388, 78388 Hollander: 58890A Proliance: 2697 Toyota: 88320-06080, 88320-48080 Denso 10S17C - 7 Groove Clutch 5.1" Diameter, 1.65" Gauge Line - Direct Mou