Free - Twin Disc MG-506 Troubleshooting Guide Twin Disc MG 506 Marine Transmission Parts - Gear Bearing Kit Section Loading... 1 Bearing Kit for Twin Disc MG506 Marine Transmission K458 Use for transmissions with ratios from 1.50 to 2.50 Price: $ 1,413.42 Qty: ^ Pictures In Stock Add to Cart 2 Twin Disc Gasket and seal kit for marine gear MG506 & MG506-1 K460P . Price: $ 374.32 Qty: ^ Details In Stock Add to Cart 3 Mechanical Gauges Standard Mechanical Gauges with Alarm Electrical Gauges 12 Volts Electrical Gauges 24 Volts 4 Controls Cables & More... See All Control, Cables & More 5 Marine Water Pumps Detroit Diesel Cummins Caterpillar John Deere See All... 6 Engine Water Pumps Detroit Diesel Cummins Caterpillar John Deere Free - Twin Disc MG-506 Troubleshooting Guide