Free - Twin Disc MG-502 Troubleshooting Guide Twin Disc MG502 Marine Transmission Parts for Canada - Strainer Section Loading... 1 Tube, dipstick for Twin Disc MG502 B5808B . Price: $ 366.13 Qty: ^ Pictures In Stock Add to Cart 2 Dipstick for Twin Disc MG502 marine gear B3430B . Price: $ 831.89 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 Parts for Twin Disc® marine transmission MG502, strainer for Twin Disc® MG502. Strainer Twin Disc MG502 Free - Twin Disc MG-502 Troubleshooting Guide