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  | AR Pump 1450RPM Replacement Pressure Washer Pump WHW21.15N
 
 
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Max GPM: 5.55  Max L/Min: 22  Max PSI: 2200  Max BAR: 150  Power EBHP: 11  Bore DIA MM:22   Stroke MM: 13.8  Crankshaft ID Stamp: 1 
180°F – Max Water Temp  3/4”F – Inlet Thread  3/8”F – Discharge Thread 32 oz – Oil Capacity 
Repair Kits 	
  Special Parts/Kits		
    | Model | Description | Quantity |  
| AR42401 | Valves | 6 |  
| AR2543 | PistonsØ22 | 3 |  
| AR1849 | PistonsØ28 | 3 |  
| AR42402 | Water SealsØ22 | 7 |  
| AR42562 | Water SealsØ28 | 3 |  
| AR2873 | Oil Seals | 6 |  
| AR42403 | Support RingsØ22 | 3 |  
| AR42561 | Support RingsØ28 | 3 |  
  
    | Model | Description |  AR2748 | Rail Kit 1-1/4” (2 rails & 4 bolts) | AR2748H | Rail Kit 2-1/2” (2 rails & 4 bolts) | U-Bracket/Kit | Rail Kit 1-1/2” (2 rails & 4 bolts) | AR2036 | Viton Water SealsØ28 | AR64516 | Oil (16 oz) | 
 
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