Stop fighting with your Mercury engine. This factory-spec PROPELLER (SEA PRO/MARATHON 15/25/SUPER 15) eliminates common issues and delivers the smooth operation you expect from genuine OEM components.

Designed and manufactured to Mercury Marine OEM standards, this propeller component ensures reliable operation across all engine RPM ranges. Part number 19638A40 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.

Aftermarket parts might save a few dollars upfront, but genuine Mercury Marine part 19638A40 saves you money long-term by lasting years instead of months. Factory precision means perfect fit — no modifications, no surprises.

Compatible Mercury Marine Engines

FITS: 15-20HP MARINER, MERCURY (SEA PRO)

• Fits MARINER, MERCURY 15-20HP engines
• Compatible HP: 15HP, 20HP
• Model types: SEA PRO
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

15HP Models

• 15HP MARATHON XD (Mariner): 0P017000-0P325499, 9927000-0P016999
• 15HP SEA PRO (Mercury): 0P017000-0P325499, 9927000-0P016999

20HP Models

• 20HP JET (Mariner): 0G044027-0G760299, 0G760300-0T979999
• 20HP JET (Mercury): 0G044027-0G760299, 0G760300-0T979999
• 20HP OUTBOARD (Mariner): 0B238464-0G044026, 0G044027-0G760299, 0G760300-0T979999, 0P017000-0P325499, 9507381-9807908, 9807909-0P016999
• 20HP OUTBOARD (Mercury): 0B238464-0G044026, 0G044027-0G760299, 0G760300-0T979999, 0P017000-0P325499, 9507381-9807908, 9807909-0P016999

Looking for your Mercury engine serial number? Our helpful guide shows you exactly where serial numbers are located on different engines.

Verification & Support

Want to verify compatibility for part 19638A40? Use our parts finder tool for instant confirmation. Still have questions? No problem – use the contact buttons at the bottom of this page to reach us by text, call, or email

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