This is a A-1975472C1 Brake Disc PN: 1975472C1Main Description As Following : A-1975472C1 Brake Disc P.N: 1975472C1 Inside Diameter: 2.1875"Internal Splines: 12Outside Diameter: 11.375"Replaces: 528702R2, 84468307 Crossed From: WN-1975472C1 , , WN1975472C1 , , 105457 , , 1975472C1AF , , 528702R2 CASE-IH , 84468307 CASE-IH Found in Section & Models : Transmission & Rear Axle > Brake Disc and Plates, Case-IH INDUSTRIAL/CONSTRUCTION: 21456 (Qty: 2), Case-IH TRACTOR: 1456 (Qty: 2), Case-IH TRACTOR: 1466 (Qty: 2), Case-IH TRACTOR: 1468 (Qty: 2), Case-IH TRACTOR: 21456, Transmission & Rear Axle > Clutch Plates: Clutch and PTO, Case-IH INDUSTRIAL/CONSTRUCTION: 21456 (Qty: 2), Case-IH TRACTOR: 1456 (Qty: 2), Case-IH TRACTOR: 1466 (Qty: 2), Case-IH TRACTOR: 1468 (Qty: 2) Associated Items : New Also A-SMIH32, A-FRM-IHOL, A-IH-O-BATTIGN, A-IH-O-1456, A-IH-P-RMDSLPUMP, A-IH-P-1456, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE, A-IH-S-TUNEUP, A-IH-S-806, A-MW-P-TENDER, A-SMIH32, 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 : Inside Diameter: 2.1875" Internal Splines: 12 Outside Diameter: 11.375" Replaces: 528702R2, 84468307