Upgrade the cooling system of your Honda CRF450R with the Boyesen WPK-06AB Water Pump Cover and Impeller Kit. Designed for direct fitment on 2009–2016 Honda CRF450R models, this black kit combines a durable cast aluminum water pump cover with a high-efficiency impeller to support consistent coolant circulation during demanding riding conditions. The Boyesen cover and impeller assembly is engineered as a practical replacement for the original components while providing improved water pump performance across a broad range of engine speeds.
The two-piece cast aluminum construction provides strength and dependable service in off-road and motocross environments. An integrated oil filter access design helps simplify routine filter changes by allowing easier service without unnecessary component removal. The patented Boyesen Nautilus-style impeller is shaped for hydrodynamic efficiency, helping increase coolant flow at all RPM ranges and supporting stable engine temperatures during extended or aggressive use. The black finish also provides a clean, factory-inspired appearance.
This manufacturer part number WPK-06AB is supplied by Boyesen and is intended for the following applications: 2009 Honda CRF450R, 2010 Honda CRF450R, 2011 Honda CRF450R, 2012 Honda CRF450R, 2013 Honda CRF450R, 2014 Honda CRF450R, 2015 Honda CRF450R, and 2016 Honda CRF450R. Verify the motorcycle model and year before ordering to ensure proper fitment. The vendor part number is 59-8608B.
Features:
- Construction: Durable two-piece cast aluminum water pump cover and impeller assembly
- Service Access: Oil filter access supports hassle-free routine filter changes
- Coolant Flow: Increased coolant circulation at all engine RPM ranges
- Impeller Design: Patented Boyesen Nautilus-style impeller promotes hydrodynamic efficiency
- Finish: Black finish complements the Honda CRF450R engine and chassis
- Fitment: Fits 2009–2016 Honda CRF450R models
- Manufacturer: Boyesen
- Manufacturer Part Number: WPK-06AB
- Vendor Part Number: 59-8608B
Fitment:
2009 Honda CRF450R
2010 Honda CRF450R
2011 Honda CRF450R
2012 Honda CRF450R
2013 Honda CRF450R
2014 Honda CRF450R
2015 Honda CRF450R
2016 Honda CRF450R