Description
Cooling system efficiency directly impacts engine longevity and performance consistency under sustained load. The BOYESEN WPK-38AM delivers measurable flow improvements across the entire RPM range, keeping combustion temperatures stable and reducing thermal stress on internal components. An investment-cast aluminum construction paired with a patented nautilus-style impeller design ensures reliable cooling performance without compromising durability.
- Aluminum investment-cast construction
- Patented nautilus impeller design
- High-flow hydrodynamic efficiency
- Increased coolant circulation all RPMs
- Reduced engine operating temperatures
- Extended engine service life
- Bolt-on installation
- Water pump cover and impeller combo
- MPN: WPK-38AM









