This is a A-A66058 Clutch PN: A66058Main Description As Following : A-A66058 Clutch P.N: A66058 Compressor DrivePulley Diameter: 7"Pulley Grooves: 2X: 1.66"Y: .62" Stocked As: A-600-281 Found in Section & Models : Air Conditioning Parts > Clutch, Case-IH TRACTOR: HYDRO 186, Case-IH TRACTOR: 1070, Case-IH TRACTOR: 1086, Case-IH TRACTOR: 1090, Case-IH TRACTOR: 117, Case-IH TRACTOR: 1170, Case-IH TRACTOR: 1175, Case-IH TRACTOR: 1468, Case-IH TRACTOR: 1486, Case-IH TRACTOR: 1568, Case-IH TRACTOR: 1586, Case-IH TRACTOR: 3088, Case-IH TRACTOR: 3288, Case-IH TRACTOR: 3388, Case-IH TRACTOR: 3488, Case-IH TRACTOR: 3588, Case-IH TRACTOR: 3688, Case-IH TRACTOR: 3788, Case-IH TRACTOR: 4366, Case-IH TRACTOR: 4386 Associated Items : New Also A-IH-O-BATTIGN, A-IH-O-786-1586, A-IH-P-ENG56CYL, A-IH-P-186HYDRO, A-IH-S-ENG3400, A-IH-S-HYDTRN3, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE, A-IH-S-786ETC, A-SMIH202, A-CA-O-1070L, A-CA-P-1070, A-CA-S-970TM, A-CA-S-9701070, A-SMC203, A-IH-O-BATTIGN, A-IH-O-786-1586, A-IH-P-ENG56CYL, A-IH-P-786-1486, A-IH-S-AIRHEAT And : Pulley Diameter: 7" Pulley Grooves: 2 X: 1.66" Y: .62"