Impeller for the WM vortex oil pump. The material of execution is brass. You can buy spare parts for the ALUNAK WM series pump by placing an order in our online store using a simple form, If you have any questions about the purchase of spare parts for WM series vortex oil pumps, you can call the specified phone numbers or request a call back. The specialists of our online store will provide you with detailed advice and help you make the right choice.