This item is a genuine Twin Disc part shipped with a 12-month factory warranty. It can be used on MG-502, MG-5050, MG-506-1, MG-506-A, MG-507-1, MG-507-A, MG-509-DC, MG-509-SC, MG-5111, and MG-518 marine transmissions.
Do not hesitate to call us at 888.687.0539 if you have any questions about this item.
Diesel Parts Direct is an Authorized Twin Disc Dealer. As always, your satisfaction is guaranteed!