Free - Twin Disc MG-502 Troubleshooting Guide Twin Disc MG502 Marine Transmission Parts - Oil Pump & Strainer Section Loading... 1 Twin Disc Oil Strainer O-Ring for Marine Transmission MG502 & MG506 A2916BT . Price: $ 16.32 Qty: ^ Details In Stock Add to Cart 2 Twin Disc Oil Pump Gasket for MG502, MG506, MG507 (new style) B2136A . Price: $ 12.19 Qty: ^ Details In Stock Add to Cart 3 Twin Disc Oil pump for marine gear MG502 XB5639B New Price: $ 1,027.68 Qty: ^ Pictures In Stock Add to Cart 4 Twin Disc Oil Strainer for Marine Transmission MG502 B2269 . Price: $ 84.62 Qty: ^ Details In Stock Add to Cart 5 Tube, dipstick for Twin Disc MG502 B5808B . Price: $ 366.13 Qty: ^ Pictures In Stock Add to Cart 6 Dipstick for Twin Disc MG502 marine gear B3430B . Price: $ 831.89 Qty: ^ Details In Stock Add to Cart 7 Mechanical Gauges Standard Mechanical Gauges with Alarm Electrical Gauges 12 Volts Electrical Gauges 24 Volts 8 Controls Cables & More... See All Control, Cables & More 9 Marine Water Pumps Detroit Diesel Cummins Caterpillar John Deere See All... 10 Engine Water Pumps Detroit Diesel Cummins Caterpillar John Deere Parts for Twin Disc® marine transmission MG502, oil strainer for Twin Disc® marine transmission MG502. Free - Twin Disc MG-502 Troubleshooting Guide