AR Pump 1750RPM Replacement Pressure Washer Pump RRA4G40N

Max GPM: 4
Max L/Min: 15.1
Max PSI: 4000
Max BAR: 275
Power EBHP: 10.9
Bore DIA MM: 18
Stroke MM: 12.2
Crankshaft ID Stamp: 3

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

Repair Kits

Model	Description	Quantity
AR2864	Valves	6
AR2746	Pistons	3
AR42549	Water Seals	3
AR42547	Oil Seals	4
AR42550	O-Rings	17
AR2745	Support Rings	3
AR42548	Piston Guide	3

Special Parts/Kits

Model	Description
AR2776	Viton Water SealsØ15
AR2633	Rail Kit 1-3/4” (2 rails & 4 bolts)
AR2633H	Rail Kit 2-5/8” (2 rails & 4 bolts)
AR64516	Oil (16 oz)