Free - Twin Disc MG-5114A Troubleshooting Guide Parts for Twin Disc ® MG5114A Marine Transmissions - Plate Section Loading... 1 Clutch plate for Twin Disc marine gear MG509 and MG5114 . Price: $ 30.26 Qty: ^ Pictures In Stock Add to Cart 2 Clutch plate for Twin Disc marine gear MG509, MG5111 and MG5114 . Price: $ 14.70 Qty: ^ Pictures In Stock Add to Cart Go Back Free - Twin Disc MG-5114A Troubleshooting Guide