Spindle Assembly Including Pulley (756-0969, 756-1187) For MTD Spindle Numbers: 618-0241, 618-0241, 918-0241A, 618-0241A, 618-0241B, 918-0241B, 618-0241C, 918-0241C, 618-0431 (A,B,C), 918-0431 (A,B,C): Toro 112-0383 Spindle Assembly Including Pulley (756-0603) to Replace MTD 618-0241 (A, B, C) 918-0241 (A, B, C) Also for 618-0431 (A, B,or C), 918-0431 (A, B, or C) Includes spindle assembly and double pulley 5" OD (pulley part number 756-0603) New style, longer housing (shaft is same length) for better bearing protection. 3 point star for use with MTD 6 point star blades (or aftermarket variations) See Photo