Description Bonded lined brake discs. 7-1/8" x 4", 12 spline. Tractors: 560, 660. Combines: 151 Hillside diesel, 403 Hillside, 453 Hillside, 915, 1460 (prior to s/n 32000), 1480 (prior to s/n 34000). Replaces 369079R91, 121963C91. This item is a suitable alternative for the following: 1975446C3AF, A-1975446C2, A575480, 84466069, 760463, 38A208, 369079R91, 300-C1975446, 2439020, 1975446C3, 1975446C2, 121963C91, A1975446C2, C1975446, S.61883, S61883