Authentic EVINRUDE "O"Ring,Valve Seat (#0305739) – Genuine OEM part from U.S. Boatworks. 40+ years helping boaters nationwide.

Choose OEM quality from U.S. Boatworks. We stock over 2 million marine parts including EVINRUDE #0305739 — and our expert team ensures your repair goes smoothly the first time.

Why Choose Genuine EVINRUDE?

• No compromises on quality or fit
• Factory specifications guarantee compatibility
• Longer service life than aftermarket alternatives

FITS: Verify compatibility for your engine — use our boat parts finder to find the right parts by model and year.

PARTS DONE RIGHT

• Genuine OEM inventory — ships same day — including #0305739
• Factory-trained staff since 1984
• Questions about fitment? See contact options below ↓

Need additional parts for your engine? Use our Boat Parts Finder to search by model and year.