Home Plumbing Pumps Electro-Magnetic Clutch Assembly Johnson Pump Electro-Magnetic Clutch Assembly $289.09 Electro-Magnetic Clutch Assembly quantity Add to cart Product Details Product Details 2xA 7″ pulley. Fits: F7B-5, F8B-5 and F9B-5 Clutch Pumps. 12 volt.