AR Pump 1750RPM Replacement Pressure Washer Pump RKA45G40HN

Max GPM: 4.5
Max L/Min: 17
Max PSI: 4000
Max BAR: 275
Power EBHP: 12.5
Bore DIA MM: 18
Stroke MM: 13.8
Crankshaft ID Stamp: 2

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)