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Home // Pressure Washer Accessories // Pumps and Manifolds // AR Pumps // AR Pump 1750RPM Replacement Pressure Washer Pump RKA4G40HNL
AR Pump 1750RPM Replacement Pressure Washer Pump RKA4G40HNL

AR Pump 1750RPM Replacement Pressure Washer Pump RKA4G40HNL

Item #:RKA4G40HNL
Regular Price:$409.08



Max GPM: 4
Max L/Min: 15.1
Max PSI: 4000
Max BAR: 275
Power EBHP: 11
Bore DIA MM: 18
Stroke MM: 12
Crankshaft ID Stamp: 4

140°F – Max Water Temp
1/2”F – Inlet Thread
3/8”F – Discharge Thread
15 oz – Oil Capacity

Repair Kits
Model Description Quantity
AR2864 Valves 6
AR2546 PistonsØ18 3
AR1857 Water SealsØ18 3
AR1855 Oil Seals 7
AR1829 Support RingsØ18 3



Special Parts/Kits

Model Description
AR2729 Rail Kit 5/8” (2 rails & 4 bolts)
AR2633 Rail Kit 1-3/4” (2 rails & 4 bolts)
AR2633H Rail Kit 2-5/8” (2 rails & 4 bolts)
U-Bracket/Kit Rail Kit 1-1/2” (2 rails & 4 bolts)
AR2809 Viton Water SealsØ18
AR42213 Kit for up to 180°FØ18 High Temp
AR64516 Oil (16 oz)


AR Pump 1750RPM Replacement Pressure Washer Pump RKA4G40HNL