[Fit on] 190593GS Chemical Injector Kit is the replacement soap injector kit for various models pumps, fits many other with FAIP Pumps and Himore Pumps, such as for , for , for Husky, for , for , for , for , for Task Force, for Faip, for , for , for , for , for , for , etc. [Function] If the Chemical Injector on your pressure washer is worn-out, rusted or hard-water-deposit clogged, you can replace it with this set. [Easy Installation] How to replace: Follow soap hose to end and you'll find injector. soap hose. Use wrench to remove old injector. Clean out any gunk or dried soap in receptacle. Make sure rubber o ring is on injector. Put ball bearing inside injector and then the spring with small end of spring against the ball bearing. Insert injector into receptacle and tighten injector with 13mm wrench. Don't overtighten, you'll break the o ring or crack white metal on pump. Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Color:As shown Material:Copper Package Contents: 1 * Injector Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.