Cub Cadet, MTD Blade Clutch 717-04174A 917-04174A Warner 5219-51 5219-79 - Free Upgraded Bearings
New Upgrade Replacement with a Precision Machined Pulley (not cheap formed) and high temperature rated bearings.  This clutch has a replaceable pulley bearing, a water tight electrical connection, and a preparatory composite coil that runs 20% cooler.