NEW Hardi Agricultural Crop Sprayer Service Kit for 361/363 Pump “06”. If you’re unsure if this fits your pump please send us a picture of the pump with the ID plate on it & we can advise which kit you will need. Kit’s will comprise of. Diaphragms, Valves, Valve O-rings, retainers. The number of Dias, valves etc will depend on which pump you have.