One (1) New Aftermarket Replacement 50" Mower Deck Rebuild Kit Kit Includes the Following: (9) Spindle Mounting Bolts, (3) Drive Pulleys (1) Deck Belt, (1) Flat Idler Pulley, (3) Spindle Assemblies, (3) Lawn Mower Blades Spindle Mounting Bolt - Self-tapping Bolts Flat Idler Pulley - 3.875" (3 7/8'') OD, 0.375'' (3/8") ID. One (1) New Aftermarket Replacement 50" Mower Deck Rebuild KitKit Includes the Following:(9) Spindle Mounting Bolts(3) Drive Pulleys(1) Deck Belt(1) Flat Idler Pulley(3) Spindle Assemblies(3) Lawn Mower BladesTech Info for Each Part in The Kit:Spindle Mounting Bolt -Self-tapping BoltsFits B1AY25 & B1RS25 Spindle Assemblies.Replaces Part Numbers: 138776, 157722, 173984, 173984-A, 532138776, 532157722, 532173984, B1RS5Drive Pulley -Outer Diameter: 5-1/6"Inner Diameter: 9/16"Fits 42" Deck modelsSteelReplaces Part Numbers: 129861, 129861, 173436, 532153535, 532173436, 153535, 153535, 173436, 129861, 177865, 173436, 173436 153535, 173436, 153535, 532153535, 129861, 177865, 21546127, 275-284, 3j7, 532129861, 532153535, 532173436, 80-91-050, B1SB7180, LAB40-0002Deck Belt -Color: BrownLength: 95-1/2"Thickness: 0.374"Type: WrappedWidth: 1/2"Replaces Part Numbers: 21547026, 21547027, 21547082, 21547188, 532144959, PP12012Flat Idler Pulley -Flat Idler w/ FlangesSteelDrive belt and mower deck pulley on for many 12 through 22 HP front engine tractors3.875" (3 7/8'') OD0.375'' (3/8") IDReplaces Part Numbers: 532131494, 532173438, 104360X, 131494, 173438, 532173438Spindle Assembly -Includes blade bolt and washersDoes NOT include mounting boltsReplaces Part Numbers: 137152, 137553, 143651, 176084, 192-653, 192653, 36-51, 532 14 36-51, 5321436-51, 532143651, 9519, B1AY25, RLG143651Lawn Mower Blade -Length: 17-3/8"Width: 2-1/4"Center Hole: 5 Point StarThickness: 0.160"Replaces Part Numbers: 137380, 532137380, 95-018, 95-018