Description
Engine temperatures spike under load, compromising reliability and power output. The BOYESEN Impeller/Waterpump Cover upgrades your cooling system’s core efficiency by increasing coolant flow across the entire RPM range, keeping your engine running at optimal temperature regardless of conditions. With a patented nautilus-style impeller design and investment-cast construction, you’ll see measurable gains in thermal stability and extended engine longevity.
- Material: Aluminum investment-cast
- Impeller design: Patented nautilus-style
- Flow characteristic: High-flow, hydrodynamic
- Performance benefit: Increased coolant circulation
- Temperature control: Consistent across RPM ranges
- Installation type: Bolt-on replacement
- MPN: WPK-38CM
- Intended use: Engine cooling optimization









