Free - Twin Disc MG-520 Troubleshooting Guide Twin Disc MG520 Marine Transmission Parts - Plate Section Loading... 1 Clutch plate for Twin Disc marine gear MG520 & MG520-1 Sintered clutch plate Price: $ 80.91 Qty: ^ Details In Stock Add to Cart 2 Clutch plate for Twin Disc marine gear MG520 & MG520-1 Steel clutch plate Price: $ 93.25 Qty: ^ Details In Stock Add to Cart 3 Gasket Seal Kit for Twin Disc MG520, MG520-1 . Price: $ 1,922.83 Qty: ^ Details In Stock Add to Cart 4 Mechanical & Electric Gauges See Our Gauges Page 5 Controls Cables & More... See All Control, Cables & More 6 Marine Water Pumps See All Marine Water Pumps 7 Fresh Water Pumps See All Fresh Water Pumps Free - Twin Disc MG-520 Troubleshooting Guide