[Fit on]190593GS Chemical Injector Kit is the replacement soap injector kit for various models pumps manufactured by for Briggs and for Stratton, fits many other brands with for FAIP Pumps and for Himore Pumps, such as for Excell DeVilbiss, for Troy Bilt, for Husky, for Campbell Hausfeld, for Generac, for Coleman Powermate, for Ridgid, Task Force, for Faip, for Homelite, for Brute, for Duracraft, for Simoniz, for Simpson, for John Deere, 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. Take off 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. Due to different factory batches, there are slight differences in the color and appearance of product accessories, but it does not affect normal use Colour:Photo Color Material:Metal Package Contents: 1 set x oil nozzle repair 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.