OE Number-1: R-31584, 12151044, JBR1564 OE Number-2: P-1543, SBC1595, BP1543C, MGD1543CH, FVC1543, BE1543H, CFC1595, 30115430, 301.15430, 10515430, 105.15430, 105-15430, BC1543, D1543-8751, 58101A7A00, 8751-D1543, 58101-2KA20 Specifications: Rotor Material: Cast Iron Rotor Outside Diameter (mm): 280 Rotor Height (mm): 44.5 Normal Thickness (mm): 23.2 Hub Holes Centering Diameter (mm): 69.1 Number of Studs: 5 Bolt Circle Diameter (mm): 114.3 Bolt Diameter (mm): 12.7 Min. Thick (Discard)(mm): 21.4 Pad Friction Material Composition: Ceramic Pad Friction Material Bonding Type: Bonded Inner Pad Width(mm): 132.9 .