Smart boaters fix it right the first time. This factory O RING ensures professional results even for DIY installation – we’ll help verify it’s the right part.

Designed and manufactured to Mercury Marine OEM standards, this seal ensures reliable operation across all engine RPM ranges. Part number F707305 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Why risk your Mercury engine with questionable aftermarket parts? Genuine part F707305 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 90-150HP FORCE

• Fits FORCE 90-150HP engines
• Compatible HP: 90HP, 120HP, 150HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

90HP Models

• 90HP OUTBOARD (Force)

120HP Models

• 120HP OUTBOARD (Force): 0E000001-0E093699

150HP Models

• 150HP OUTBOARD (Force): 0E000001-0E093699

Not sure where to find your engine’s serial number? View our quick reference guide to locate it on your Mercury Marine engine.

Verification & Support

Verify part F707305 works with your Mercury using our parts finder tool. Have questions? Reach out using the contact buttons at the bottom of this page — our team is here to help by text, call, or email

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