This is a Volvo Penta Circulating Water Pump 3801345 3580574 for MD2040. Note this is a new, never used, Volvo part and it comes in its original box (not pictured).
 
Specifications:
	
Manufacturer: Volvo Penta
	
Part: 3801345
	
Material(s): Aluminum, Iron Alloy
	
Color(s): Silver
	
Electrical: N/A
	
Overall Dimensions: 7"x5"x5"
	
Mount(s): MD2040
	
Connection(s): N/A