Sierra 18-8924 Water Pump Impeller for Nissan Tohatsu Outboard Engines

The Sierra 118-8924 is a high-quality replacement water pump impeller designed for Nissan and Tohatsu outboard engines. This impeller serves as the critical heart of your engine's cooling system, providing consistent and powerful flow of raw water to prevent dangerous overheating.

Key Features:

• Precision-molded flexible blades maximize water pressure and volume at all RPMs
• Robust hub design engineered for durability and secure fit within pump housing
• Meets or exceeds OEM specifications for reliable performance
• Direct replacement for multiple OEM part numbers including 3C7-65021-1, 3B7-65021-2, 3B7650210M, 3B7650212M
• Interchangeable with Mallory 9-45402

Compatible Applications:

• Nissan/Tohatsu 60 HP 3-cylinder (B and C models)
• Nissan/Tohatsu 70 HP 3-cylinder (B and C models)
• Nissan/Tohatsu MD70, MD90 TLDI
• Nissan/Tohatsu 90 HP 2-stroke
• Nissan/Tohatsu 115 HP and 140 HP engines

Sierra Marine parts are engineered to withstand the harsh marine environment and are trusted by professionals worldwide. Regular impeller replacement is recommended as part of annual service or every 100 hours of engine operation to maintain optimal cooling system performance.