Free - Twin Disc MG-516 Troubleshooting Guide Twin Disc MG 516 Marine Transmission Parts - Seal Section Loading... 1 Front seal for Twin Disc marine gear MG516 & MG518 M2406 Input shaft seal Price: $ 88.25 Qty: ^ Pictures In Stock Add to Cart 2 Rear seal for Twin Disc marine gear. M2183 Output shaft seal Price: $ 172.87 Qty: ^ Pictures 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 Fresh Water Pumps Detroit Diesel Cummins Caterpillar John Deere Free - Twin Disc MG-516 Troubleshooting Guide