This is a A-383997R1 IS SPRING PN: 383997R1Main Description As Following : A-383997R1 IS SPRING P.N: 383997R1 A-383997R1 IS SPRING P.N: 383997R1 Replaces: 383997 IH Found in Section & Models : Transmission & Rear Axle > Trans: Forks, Gears, Shafts, Case-IH TRACTOR: 1066, Case-IH TRACTOR: 1466, Case-IH TRACTOR: 1468, Case-IH TRACTOR: 766, Case-IH TRACTOR: 966 Associated Items : New Also A-IH-O-BATTIGN, A-IH-O-1066, A-IH-O-766966, A-IH-P-ENG56CYL, A-IH-P-766966, A-IH-S-AIRHEAT, A-IH-S-ENG3400, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE, A-IH-S-766966, A-MW-P-TENDER, A-SMIH203, A-IH-O-BATTIGN, A-IH-O-766966, A-IH-P-ENG56CYL, A-IH-P-766966, A-IH-S-AIRHEAT, A-IH-S-ENG3400, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE And : High Quality Afternaket Shipped from Both US and Canada