This is a A-6A671-97310 Clutch, A/C Compressor PN: 6A671-97310Main Description As Following : A-6A671-97310 Clutch; A/C Compressor P.N: 6A671-97310 Used W/ 3C581-97590 Compressor.Dim A (1): Dia.: 4.8"Dim B (2): 1/2" Single Groove Pulley Crossed From: AM6A671-97310 , , SW12747 , , 88512407 , Found in Section & Models : Air Conditioning Parts > Compressor Clutches, Kubota ATV/UTV: RTV1100CR, Kubota ATV/UTV: RTV1100CRX, Kubota ATV/UTV: RTV1100CR9, Kubota ATV/UTV: RTV1100CW, Kubota ATV/UTV: RTV1100CWX, Kubota ATV/UTV: RTV1100CW9, Kubota TRACTOR, COMPACT: B3030HSDC, Kubota TRACTOR, COMPACT: L3240HSTC, Kubota TRACTOR, COMPACT: L3430DT/GST/HST(C), Kubota TRACTOR, COMPACT: L3540HSTC, Kubota TRACTOR, COMPACT: L3940HSTC, Kubota TRACTOR, COMPACT: L5240HSTC, Kubota TRACTOR, COMPACT: L5740HSTC, Kubota TRACTOR: M5040, Kubota TRACTOR: M6040, Kubota TRACTOR: M6800HDC, Kubota TRACTOR: M6800S-CAB, Kubota TRACTOR: M6800SDT-CAB, Kubota TRACTOR: M8200-CAB, Kubota TRACTOR: M8200DT-CAB Associated Items : New Also This is An Aftermarket Product And : Dim A (1): Dia.: 4.8" Dim B (2): 1/2" Single Groove Pulley