EVINRUDE "O" Ring, Large – Genuine OEM part #0307450 from U.S. Boatworks. Family-owned marine parts specialist since 1984.

Family-owned and trusted since 1984, U.S. Boatworks specializes in hard-to-find EVINRUDE parts like #0307450. Our team is here to help — DIY boater or professional mechanic.

The Right Part Matters

• OEM quality means fewer comebacks
• Designed for your specific model
• Marine-tested durability you can trust

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

WHY BOATERS CHOOSE US

• Serving boaters since 1984 — 40+ years of expertise — including #0307450
• Fast nationwide shipping
• Need help? See contact options below ↓

Need more boat parts? Check out our Boat Parts Finder to discover all the parts for your engine.