BOYESEN WPK37M Magnesium Water Pump Cover and Impeller Kit for Yamaha Engines

Impeller/Waterpump Cover - Magnesium - Yamaha

The BOYESEN WPK37M magnesium water pump cover and impeller combo is designed to optimize your Yamaha engine's cooling system. Crafted from durable magnesium, this high-performance kit features an aluminum investment-cast water pump cover paired with a patented nautilus-style impeller that enhances hydrodynamic efficiency. This combination is engineered to increase coolant flow across all RPM ranges, helping to maintain a more consistent and lower operating temperature. Improved coolant circulation reduces engine stress and extends engine life, making this kit ideal for high-performance and racing applications. The kit is compatible with Yamaha models that utilize the WPK37M water pump, ensuring a precise fit and reliable operation. Whether you're upgrading your existing cooling system or building a custom setup, this water pump kit offers excellent durability and performance benefits. The lightweight magnesium cover contributes to overall engine weight reduction without sacrificing strength or heat resistance, further enhancing engine responsiveness and efficiency. Proper installation will ensure your Yamaha engine benefits from improved cooling capabilities, increased longevity, and optimized performance under demanding conditions.

Features:

• Aluminum investment-cast water pump cover for durability

• Patented nautilus-style impeller for hydrodynamic efficiency

• Magnesium construction for lightweight strength

• Enhanced coolant flow at all RPM ranges for consistent engine temperature

• Designed specifically for Yamaha engines using the WPK37M water pump