Alternator Decoupler Pulley, 6 Groove 61mm OD, 920746, 920746A Corvette - 79083389 24-94286-4 - W052-14NDecoupler Pulley Specifications: 6 Groove Decoupler Pulley 17mm BORE, 61mm OD, 44mm W, 15mm DEEP, 16x1. 5 THREAD, 22mm BELT, 9. 7mm TO FIRST GROOVE Replaces Valeo 2601628A, 2601628B, Other 79083389, IAT 39317, 39329, VL1 5065 6, 920746, 920746A, 24 94286 4, 39329 W052 14N Alternator Manufacturer and Factory #s GM 10327514, 13588309, 15791160, 15841234, 25888970; Valeo FG15S083, TG15C046, TG15C089, TG15C107, TG15C139, TG15S051 11487, 13969A