Free - Twin Disc MG-506 Troubleshooting Guide Twin Disc MG 506 Marine Transmission Parts - Oil Strainer Section Loading... 1 Twin Disc Oil Strainer for MG506 Marine Gear . Price: $ 45.24 Qty: ^ Details In Stock Add to Cart 2 Twin Disc Oil Strainer O-Ring for Marine Transmission MG502 & MG506 . Price: $ 15.76 Qty: ^ Details In Stock Add to Cart 3 Dipstick for Twin Disc MG506 marine transmission New style Price: $ 203.88 Qty: ^ Pictures In Stock Add to Cart 4 Dipstick for Twin Disc MG506 Old Style Marine transmission Old Style Price: $ 101.65 Qty: ^ Details In Stock Add to Cart 5 Oil Filler & Breather for Twin Disc MG506 Marine transmission Old Style Price: $ 90.12 Qty: ^ Pictures In Stock Add to Cart Go Back Free - Twin Disc MG-506 Troubleshooting Guide