Take control of your Mercury maintenance with this genuine IMPELLER COMPONENT OF WATER PUMP REPAIR KIT [46- 99157T 2]. Straightforward replacement that delivers factory results without shop labor costs.

Engineered to Mercury’s rigorous OEM standards, this pump ensures reliable operation across all engine RPM ranges. Part number 8508910 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.

Smart boat owners know: buying cheap parts twice costs more than buying genuine Mercury once. Part 8508910 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 13-20HP MARINER, MERCURY (SEA PRO)

• Fits MARINER, MERCURY 13-20HP engines
• Compatible HP: 13HP, 15HP, 20HP
• Model types: SEA PRO
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

13HP Models

• 13HP OUTBOARD (Mariner): 0P134638-0P400999
• 13HP OUTBOARD (Mercury): 0P134638-0P400999

15HP Models

• 15HP MARATHON XD (Mariner): 0P017000-0P325499
• 15HP OUTBOARD (Mariner): 0G760300-1B226999, 0P075166-0P400999, 1B227000-1B727495
• 15HP OUTBOARD (Mercury): 0G760300-1B226999, 0P075166-0P400999, 1B227000-1B727495
• 15HP SEA PRO (Mercury): 0P017000-0P325499

20HP Models

• 20HP JET (Mariner): 0G760300-0T979999, 0P017000-0P325499
• 20HP JET (Mercury): 0G760300-0T979999, 0T980000-0T999999
• 20HP OUTBOARD (Mariner): 0G760300-0T979999, 0P017000-0P325499
• 20HP OUTBOARD (Mercury): 0G760300-0T979999, 0P017000-0P325499

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

Verification & Support

Not sure if part 8508910 fits your engine? Try our parts finder tool — it’s quick and easy. Need expert help? Contact us using the buttons at the bottom of this page – text, call, or email, whatever works best for you

Four decades of marine parts experience. Low prices, fast shipping – most orders placed by 1pm ship today.