Stop fighting with your Mercury engine. This factory-spec **GASKET | 15,18,19COMPONENT OF GEARCASE SEAL KIT [8M0057716] :COMPONENT OF COMPLETE WATER PUMP REPAIR KIT-COMPLETE [8M0057715] :COMPONENT OF WATER PUMP REPAIR KIT-UPPER [8M0061040]** eliminates common issues and delivers the smooth operation you expect from genuine OEM components.

Precision-engineered for Mercury outboards, this water pump assembly ensures reliable operation across all engine RPM ranges. Part number 8172771 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 8172771 saves you money long-term by lasting years instead of months. Factory precision means perfect installation – no modifications, no surprises.

FITS: 100-115HP MARINER, MERCURY (DFI, EFI)

• Fits MARINER, MERCURY 100-115HP engines
• Compatible HP: 100HP, 115HP
• Model types: DFI, EFI
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

100HP Models

• 100HP EFI (Mariner): 0P459572-2B059605, 1B227000-1B366822, 1B366823-2B059605
• 100HP EFI (Mercury): 0P459572-2B059605, 1B227000-1B366822, 1B366823-2B059605
• 100HP OUTBOARD (Mariner): 0G760300-0G965520, 0P017000-0P058999
• 100HP OUTBOARD (Mercury): 0G760300-0G965520, 0P017000-0P058999

115HP Models

• 115HP DFI (Mariner): 0T980000-1B226999
• 115HP DFI (Mercury): 0T801000-1B226999
• 115HP OUTBOARD (Mariner): 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999
• 115HP OUTBOARD (Mercury): 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999

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

Want to verify compatibility for part 8172771? 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.

40+ years of marine expertise. Low prices, fast shipping – most orders placed by 1pm ship today.