Dimensions: 6-13/16" (173mm) Height; 5-9/16" Outer Diameter Pulleys; 6 Point Star; 1 x spindle, 4 x mounting bolts, 1 x blade mounting bolt, 1 x pulley lock nut, 1 x washer; Replaces OEM Part: MTD 618-06978, 918-06978; Compatible with the following models: MTD/Craftsman T8400, G8600, G8400, Z6900, Z6600; Cub Cadet RZT-L54, RZT-L54KH, RZT-L54KW, RZT-LX 54, RZT-S54, RZT-S54KH, RZT-S54KW, XT1-GT54, XT1-ST54, XT2-GX54; Fits: Troy-Bilt TB2454, 13AQA2KW011 Bronco, 13WQA2KW011 Bronco Yard Tractors; 17ARCACW011 Mustang XP, 17ARCBDW066 Mustang XP,17BDCACW066 Mustang XP Zero-Turn Mowers; Fits: Columbia CGT5426, CSLT5424 Lawn Tractors, ZT-L54 KH and ZT-S54 KH Zero-Turn Mowers; Designed to enhance your lawn mower's performance, our spindle ensures smooth and efficient operation. Constructed from premium materials, it offers long-lasting reliability even under rigorous use. cub cadet item 918 06978, Cub Cadet RZT-L54, RZT-L54KH, RZT-L54KW, RZT-LX 54, RZT-S54, RZT-S54KH, RZT-S54KW, XT1-GT54, XT1-ST54, XT2-GX54 618-06978 918-06978 61806978 91806978 618 918 06978 Spindle Assembly 54 inch deck for MTD Cub Cadet Troy Bilt Craftsman Troy-Bilt Columbia spindles lawn mower parts T8400 G8600 G8400 Z6900 Z6600 CGT5426 CSLT5424 ZT-L54 KH ZT ZT-S54 Zero Turn Mowers NB TB2454 13AQA2KW011 Bronco 13WQA2KW011 17ARCACW011 Mustang XP 17ARCBDW066 17BDCACW066 ZT54. Replacement For OEM Parts Number(s): For MTD: 618-06978, 918-06978; Fits OEM Models: For MTD/Craftsman: T8400, G8600, G8400, Z6900, Z6600; For Columbia: CGT5426, CSLT5424 Lawn Tractors. ZT-L54 KH and ZT-S54 KH Zero-Turn Mowers; For Troy-Bilt: TB2454, 13AQA2KW011 Bronco, 13WQA2KW011 Bronco Yard Tractors; 17ARCACW011 Mustang XP, 17ARCBDW066 Mustang XP,17BDCACW066 Mustang XP Zero-Turn Mowers; 918-06978, 918 06978, 918 06978 spindle assembly, spindle assembly 618 06978, 618 06978 91. 918-06978, 918 06978, 918 06978 spindle assembly, spindle assembly 618 06978, 618 06978 918, 918-06978 spindle assembly 54 deck, spindle assembly 918 06978, 618 06978 spindle, spindle 618 06978, cub cadet 91806978, 918 06978 spindle assembly, cub cadet 918 06978, 918-06978, 918 06978, 618 06978 spindle assembly, spindle 918 06978, spindle assembly 618 06978, craftsman 918 06978, mtd 918 06978 spindle, cub cadet zt2 54 spindle, craftsman 54 inch deck spindle, cub cadet rzt54 spindle assembly, craftsman z6600 spindle, deck spindle for cub cadet, cub cadet 54 inch deck spindle, cub cadet spindle assembly 54 inch deck, cub cadet 54 inch spindle, cub cadet zt1 54 spindle, cub cadet rzt 54 spindle, cub cadet deck spindle, cub cadet 54 inch spindle assembly, craftsman 54 inch mower deck spindle, club cadet 54 spindle, rztl 54 spindle, cub cadet zt2 deck spindle, zt154 deck spindle, cub cadet xt1 spindle assembly, 54 craftsman deck spindles, cub cadet 54in mower spindle, cub cadet zt54 spindle, 54 deck spindle assembly, zt154 cub cadet spindles, zt1 54 blade spindle, cub cadet zt 54 spindle, cub cadet 54 deck spindle, cub cadet rzt l54 spindle, craftsman z560 spindle, mtd 54in spindle, cub cadet 54 inch spindles, cub cadet zt1 parts, cub cadet rzt l 54 spindle, cub cadet zt2 54 blades.