Re: Part number need for power head to lower unit gasket for 1955 Fleetwin 7518 Home › Forum › Ask A Member › Part number need for power head to lower unit gasket for 1955 Fleetwin 7518 › Re: Part number need for power head to lower unit gasket for 1955 Fleetwin 7518 bsplitReplies: 72Topics: 29 May 2, 2018 at 11:50 pm #75243 It looked like it would be pretty easy to make one. I used my hole punches and exacto knife, and made one in about 15 minutes.