This is a A-427601A1 Disc, Clutch PN: 427601A1Main Description As Following : A-427601A1 Disc, Clutch PN: 427601A1 Found in Section & Models : Transmission & Rear Axle > Clutch Disc: Trans and PTO, Case-IH TRACTOR: STEIGER 435, Case-IH TRACTOR: STX275, Case-IH TRACTOR: STX280, Case-IH TRACTOR: STX325, Case-IH TRACTOR: STX330, Case-IH TRACTOR: STX375, Case-IH TRACTOR: 9350, Case-IH TRACTOR: 9370, Case-IH TRACTOR: 9380, Case-IH TRACTOR: 9390, Ford / New Holland TRACTOR: TJ275, Ford / New Holland TRACTOR: TJ280, Ford / New Holland TRACTOR: TJ325, Ford / New Holland TRACTOR: TJ330, Ford / New Holland TRACTOR: TJ375, Ford / New Holland TRACTOR: TJ380, Ford / New Holland TRACTOR: TJ425, Ford / New Holland TRACTOR: TJ430, Ford / New Holland TRACTOR: TJ450, Ford / New Holland TRACTOR: T9010 Associated Items : New Also This is An Aftermarket Product And : Replaces: 33-1663, 33-1663T1