Titan 800-925 Bypass Valve Assembly comes with a Gasket.
Fits the following models:
340 Impact Airless Sprayer
400 impact Airless Sprayer
740 High Rider 805-007 Impact Airless Sprayer
840 High Rider 805-009 Impact Airless Sprayer
740 Low Rider 805-008 Impact Airless Sprayer
840 Low Rider 805-010 Impact Airless Sprayer
1140 805-011 Impact Airless Sprayer
1140 805-012 Impact Airless Sprayer
440 Multi Finish Spray System