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Interpump WW963 "44 Series" Bare Pump 4000psi 3gpm Fits 1" Gas Engine Shaft

General Pump - Interpump 44 series WW963C triplex pressure wash pump. Replacement pump fits most 9 to 15hp gas engines with 1" shaft.

4000 PSI Maximum Rated Pressure

  • 3.0 GPM @ 3400 RPM
  • 1" hollow shaft
  • Flange for gas engine: 9 to 15hp
  • Inlet: 1/2" FPT
  • Outlet: 3/8" FPT

Unloader sold separately.

Do not install pump without unloader or pressure regulator.

Professional installation is recommended.