Sierra 23-3315 Impeller Kit for Northern Lights Marine Engines

The Sierra 23-3315 is a premium replacement impeller kit designed specifically for Northern Lights marine diesel engines. This essential cooling system component ensures proper water flow through your engine's raw water cooling system, preventing overheating and maintaining optimal operating temperatures.

Key Features:

• Direct replacement for Northern Lights marine diesel engines
• High-quality nitrile rubber construction for durability and chemical resistance
• Complete kit includes impeller, gaskets, and seals for a professional installation
• Precision-molded blades ensure proper water pump performance
• Meets or exceeds OEM specifications for reliable operation

Sierra Marine is a trusted name in marine engine parts, offering quality replacement components for recreational and commercial vessels. Regular impeller replacement is critical preventive maintenance—inspect your impeller annually and replace every 2-3 years or at the first sign of wear, cracking, or missing blade tips.

Compatibility: Designed for Northern Lights generator and marine diesel engine applications. Verify your engine model and existing impeller part number before ordering to ensure proper fitment.