Genuine EVINRUDE O-Ring, Bearing Hsg (Part #0318717) – Factory-quality marine part from U.S. Boatworks. Trusted by boaters for over 40+ years.

FITS: HP: 300 | Years: 1970-2006

Choose OEM quality from U.S. Boatworks. We stock over 2 million marine parts and provide expert support to ensure your repair goes smoothly the first time.

Why Choose Genuine OEM?

• Designed to fit your exact engine – no modifications needed
• Built for the marine environment
• Reliable performance you can count on

40+ YEARS HELPING BOATERS

• Massive parts selection
• Expert DIY support
• Reach us: 913-342-0011