Solo USA Accessories and Parts Kit Description: Piston Pump Repair Kit Fits: 425, 435, 473-P Piston Pump Repair Kit Includes: O-rings (Part #: 0062291, 0062139, 0062140, 0062258); viton collar (Part #: 4400189); valve plate (Part #: 4061257 x 2); spring (Part #: 0070260); and seal plug...