This is a A-427534A1 Disc, Friction PN: 427534A1Main Description As Following : A-427534A1 Disc, Friction P.N: 427534A1 For 8" Transmission Clutch Pack.Inside Diameter: 5.963"Outside Diameter: Major: 8.455" Minor: 8.125"Replaces: 33-1519T1, 33-1519T2, S4080S00FTeeth: 100 Crossed From: S4080S00F STEIGER Found in Section & Models : Transmission & Rear Axle > Clutch Plates: Clutch and PTO, Case-IH TRACTOR: STX275, Case-IH TRACTOR: STX280, Case-IH TRACTOR: STX325, Case-IH TRACTOR: STX330, Case-IH TRACTOR: STX375, Case-IH TRACTOR: STX380, Case-IH TRACTOR: STX425, Case-IH TRACTOR: STX430, Case-IH TRACTOR: 9110, Case-IH TRACTOR: 9130, Case-IH TRACTOR: 9150, Case-IH TRACTOR: 9170, Case-IH TRACTOR: 9180, Case-IH TRACTOR: 9210, Case-IH TRACTOR: 9230, Case-IH TRACTOR: 9240, Case-IH TRACTOR: 9250, Case-IH TRACTOR: 9260, Case-IH TRACTOR: 9270, Case-IH TRACTOR: 9280 Associated Items : New Also A-CIH-S-9110, A-IH-S-AIRHEAT, A-MNL17588, A-CIH-P-9130, A-CIH-S-9110, A-IH-S-AIRHEAT, A-CIH-S-9110, A-IH-S-AIRHEAT, A-CIH-S-9110, A-IH-S-AIRHEAT, A-CIH-S-9110, A-IH-S-AIRHEAT, A-IH-S-AIRHEAT, A-IH-S-AIRHEAT, A-IH-S-AIRHEAT, A-MNL17589, A-IH-S-AIRHEAT, A-IH-S-AIRHEAT, A-MNL17591, A-IH-S-AIRHEAT And : For 8" Transmission Clutch Pack. Inside Diameter: 5.963" Outside Diameter: Major: 8.455" Minor: 8.125" Replaces: 33-1519T1, 33-1519T2, S4080S00F Teeth: 100