Function and use For and replacement of engine cooling system parts; suitable for water pump impeller replacement in maintenance scenarios Design and features Standard structural design with a key drive shaft type Eightblade configuration to improve water flow efficiency Easy to install Material and durability Made with water resistance to ensure good structural strength and durability Specifications and dimensions Outer diameter: 40.80 mm (1.61 in) Shaft diameter: 13.96 mm (0.55 in) Thickness: 23.35 mm (0.92 in) Benefits and performance Improves water flow efficiency due to eightblade design Durable construction with waterresistant material Straightforward installation for compatibility with upgrade or replacement tasks Use scenarios Routine engine cooling system maintenance requiring water pump impeller replacement Repairs where an eightblade impeller is used to enhance cooling flow Installations needing precise fit: outer diameter 40.80 mm, shaft diameter 13.96 mm, thickness 23.35 mm