Sierra 18-3245 Water Pump Impeller for Honda Outboard Engines

The Sierra 18-3245 is a premium replacement water pump impeller designed specifically for Honda outboard engines ranging from 5HP to 50HP. This critical cooling system component ensures optimal engine performance and prevents overheating by circulating cooling water through your outboard motor.

Key Features:

• 8-blade neoprene rubber construction for durability and flexibility in harsh marine environments
• Engineered to meet or exceed OEM specifications for reliable fit and performance
• Compatible with Honda BF5, BF8, BF25, BF40, and BF50 outboard models
• Direct replacement for Honda OEM part numbers 19210-881-003, 19210-881-A01, and 19210-881-A02
• Also replaces GLM 21740 and Mallory 9-45100
• Rigorous inspection and testing ensures proper blade bonding and performance

Regular impeller inspection and replacement is essential for maintaining your engine's cooling system. Running through silty water or operating a dry pump can quickly damage an impeller and lead to engine overheating. Sierra impellers are built to withstand demanding marine conditions and provide the confidence of OEM-quality performance at an aftermarket value.