Please verify model/part numbers before purchasing. Spindle top nuts must be torqued to 70 ft lbs. DO NOT torque by holding the pulley, this will damage the pulley. Instead, use a piece of wood to block the blade. Sears Craftsman Z6700, Z 6700 54 Zero-Turn Lawn Mower Deck Parts Rebuild Kit Fits Model. Z6700 – 917.204140. Includes the Following Parts. (1) 154″ x 5/8″ Deck Belt – Replaces Sears Craftsman 539114557. (3) 18-1/2 Standard Lift Blades – Replaces Sears Craftsman 532187256, 777187256. (3) Spindle Pulleys – Replaces Sears Craftsman 539112171. (3) Complete Spindle Assemblies with Hardware and Grease Fittings – Replaces Sears Craftsman 532187292, 539112057.
