“Xtremely cool coil” design runs over 20% cooler for a longer service life – plus every clutch is backed by a buyer-protection 1-year warranty Replaces OEM : AM100848, AM101137, AM104238, AM104896, AM39329, MA-GT-JD8CU1 Replaces OGURA : MA-GT-JD8CU1 Specs: 1.438" Crankshaft, 4.875" Pulley, Counter Clockwise, Double A Belts, 300 ft. lbs. Torque Free Upgraded - High Temperature Bearings. TOUGH Machined Billet Pulley with Replaceable Bearing - OEM Upgrade Verify fit before purchasingReplaces OEMJOHN DEERE AM100848, AM101137, AM104238, AM104896, AM39329OGURA MA-GT-JD8CU1SpecsPart Type : Electric PTO ClutchCrankshaft : 1.438Pulley Diameter : 4.875Rotation : Counter ClockwiseBelt : Double A BeltsTorque : 300 ft. lbs.FitsJOHN DEERE 420 Lawn and Garden Tractor, 430 Lawn and Garden Tractor