Proven Part Unloader Valve Pressure Washer Pump Compatible With Excell and Devilbiss 190628GS

Size 2.75" Unloader Valve for Pressure Washer Replaces Fits 16030 4-Bolt Manifold Works for Faip Pumps Pk16860 Pk18048 PP3Wz1606. Replaces Part Numbers 190594Gs and 190628Gs Check Your Manifold, (That Is The Piece This Unloader Mounts Into) if It Has 4 Mounting Bolts That Attach The Manifold To The Pump, This Is The Correct Unloader. if It Has 5 Mounting Bolts, This Will Not Fit!