Pressure Washer Pump Manifold for 020228 16031 Pressure Washer EXWGV1721 Replaces 190627GS 190574GS Pressure Washer Pump Unloader Manifold with 4 Bolt Power

4 bolt pressure washer pump unloader manifold kit Replace Part numbers: 16031 190627GS 190574GS Fits Briggs & Stratton 020228 Pressure washer EXWGV1721 Easy to Install: Method of installing chemical injector: Tools: half-inch wire wrench or half-inch socket, and a long and thin tool for penetrating narrow places. 1. Use a half-inch line wrench or sleeve to remove the old chemical syringe from the pump. 2. After removing, make sure that the spring and ball are taken out and not left in the manifold of the pump. 3. Before installing the injector into the pump, you will need to assemble the injector completely, first install the O-ring and the internal O-ring, and install the O-ring into the internal groove of the injector with a slender tool. 4. Insert the ball, then the spring. 5. Installation. Package List: 1 × chemical injector + 1 × inlet check valve + 4 × mounting bolts + 4 × mounting o-rings. Please compare with your old high pressure washer manifold kit when you buy, and then buy it. Note: Please check the pictures and specifications for details before your buy.