Kit Contains: (1) Flat Idler Pulley (2) Spindle Assembly (2) Mulching Lawn Mower Blade (1) Flat Idler Pulley (1) Deck Belt (2) Drive Pulley Flat Idler Pulley - Flat Idler w/ Flanges Steel Drive belt and mower deck pulley on for many 12 through 22 HP front engine tractors 3.875" (3 7/8'') OD 0.375'' (3/8") ID Replaces OEM Part Numbers: 532131494, 532173438, 532104360 Spindle Assembly - 3-Bolt Long 5 Point Star Center Hole Comes With Mounting Bolts .
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