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| AR Pump 1450RPM Replacement Pressure Washer Pump RK18.28HNL
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Max GPM: 4.75 Max L/Min: 18 Max PSI: 4000 Max BAR: 275 Power EBHP: 13 Bore DIA MM: 20 Stroke MM: 14.6 Crankshaft ID Stamp: 1
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 |
| AR2746 |
Pistons (RRA) |
3 |
| AR2546 |
PistonsØ18 |
3 |
| AR42547 |
PistonsØ20 |
3 |
| AR2759 |
PistonsØ22 |
3 |
| AR1857 |
Water SealsØ18 |
3 |
| AR1887 |
Water SealsØ20 |
3 |
| AR1888 |
Water SealsØ22 |
3 |
| AR1829 |
Support RingsØ18 |
3 |
| AR1815 |
Support RingsØ20 |
3 |
| AR1816 |
Support RingsØ22 |
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 |
AR2810 |
Viton Water SealsØ20 |
AR2811 |
Viton Water SealsØ22 |
AR42213 |
Kit for up to 180°FØ18 High Temp |
AR2820 |
Kit for up to 180°FØ20 High Temp |
AR64516 |
Oil (16 oz) |
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