Re: 55 RDE-17, 25 hp, Power Head O-rings, etc Home › Forum › Ask A Member › 55 RDE-17, 25 hp, Power Head O-rings, etc › Re: 55 RDE-17, 25 hp, Power Head O-rings, etc MumblesReplies: 5764Topics: 298 July 9, 2018 at 1:58 am #79256 Here’s replacement bits and their P/N. I pick these up thru a local auto supply. Remember the extension trick? Attachments: