Sierra Marine 18456171 Marine Water Pump Impeller

Restore dependable water-pump performance with the Sierra Marine 18456171 Impeller. Designed as a replacement component for compatible marine cooling systems, this impeller helps circulate water through the engine and supports proper operating temperature during use. It is a practical choice for routine maintenance, seasonal service, or replacement of a worn or damaged impeller.
The Sierra Marine 18456171 impeller is manufactured for marine applications where reliable cooling-system operation is essential. Its flexible vane design is intended to move water efficiently through the pump when properly installed, helping maintain consistent flow and reduce the risk of overheating caused by an aged, cracked, or deformed impeller. Replacing the impeller at the recommended service interval can also help protect related cooling-system components.
Before ordering, verify compatibility with your engine, water pump, and original equipment part number. Inspect the pump housing, cover, wear plate, key, and related seals during installation, as worn surrounding components can affect impeller performance. Use the appropriate marine-grade lubricant during installation when recommended by the manufacturer, and follow the engine or pump service instructions for removal, installation, and inspection. The Sierra Marine 18456171 provides a dependable replacement solution for boat owners, marine technicians, and service professionals who need to maintain reliable cooling-system operation.

Features:

• Replacement impeller for compatible marine water-pump cooling systems

• Sierra Marine part number 18456171 for simplified application reference

• Flexible vane design supports efficient water circulation through the pump

• Suitable for routine maintenance or replacement of a worn marine impeller

• Verify engine, pump, and original equipment compatibility before installation