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AR RMV 3100 PSI 2.3 GPM Boxed Replacement Axial Pressure Washer Pump Kit w/ Unloader

SKU: 85.120.035B


This 3100 PSI 2.3 GPM 3/4″ pump is a complete kit in a box.

Complete “Pump In A Box” With 3/4″ Shaft

  • Great fit for 4-7 HP pressure washer motors up to 3400 RPM
  • Includes bolts & 3/8″ couplings (shaft key not included)
  • This 3100 PSI 2.3 GPM 3/4″ Hollow Shaft Pressure Washer Pump comes complete with bolts, shaft key and couplings.
    Its a great fit for 4-7 HP Pressure Washer motors with 2.43″ / 61.7 mm shaft length.

Adjustable Unloader Valve

  • Set the pressure to suit the task

Thermal Relief Valve

  • Protects the pump from overheating

Downstream Injector

  • Siphons soap after the pump, allowing wide choice of chemicals

Garden Hose Adaptor

  • Matches up to commonly available hoses
Rated PSI 3100 PSI
Weight: 10 Lbs. (4.54 kilograms)
Dimensions: 11L x 8W x 10H
(27.94 x 20.32 x 25.40 cm)
Weight 12 lbs
Shaft Diameter

Max Volume

Max Discharge Pressure



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