Interpump "66 Series" W3523 5075psi 6.07gpm Solid Shaft pump-brand_general-pump Replacement pump fits most 4

Replacement pump fits most 4 to 8 hp engines with a 3/4" inch horizontal shaft

3500psi Maximum Rated Pressure

Maximum Rated Pressure: 3500psi (4200psi maximum allowable)

If you want to use all 4 nozzles order 2 extra nozzles

Inlet / Outlet: 3/4" Female NPT thread

Interpump "66 Series" W3523 5075psi 6.07gpm Solid Shaft pump-brand_general-pump Replacement pump fits most 4General Pump Interpump 66 series W3523 triplex pressure wash pump. 5075 PSI Maximum Rated Pressure 6. 07 GPM @ 1450 RPM Shaft Diameter: 24mm Inlet: 1 2" FPT Outlet: 3 8" FPT Unloader sold separately. Do not install pump without unloader or pressure regulator. Professional installation is recommended.