Chemical Soap Injector Kit Briggs & Stratton Replaces 190593GS 190635GS 203640GS by | Jul 22, 2026Brass Barb, 2 O-Rings and 1 Check Valve Ball Repair kit for Soap Injector on Pressure WashersReplaces 190593GS , 190635GS & 203640GSQuality Aftermarket Proven Parts