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Comet FWS2 3530 E Hollow Shaft Pressure Washer Pump

SKU: 6411.0101.00


With a reversible crankcase for easy left- or right-hand mounting, this pump with a 1-1/8″ Hollow Shaft boasts 3.5 GPM and 3000 PSI performance @ 1750 RPM.

Designed as a popular replacement or OEM pump for many medium-duty Pressure Washers, the FW2 Series of Pumps feature a Die-Cast Anodized, Aluminum Crankcase that is Reversible for Easy Right- or Left-Hand Mounting, Hardended Stainless Steel Pistons, Solid Ceramic Plungers, a Solid Brass Manifold and more. FW2 Series Pumps boast a 5-Year Warranty from Comet.

All Comet FW2 Series pumps include:

  • Reversible Crankcase for Easy Right- or Left-Hand Mounting
  • Hardened Stainless Steel Piston Guides
  • Highly Efficient Stainless Steel Check Valves
  • Solid Ceramic Plungers
  • High & Low Pressure Seals: High Quality Buna-Textile Packings
  • Additional Anti-Extrusion Ring Under the Seal
  • Solid Brass Manifold
  • Special Forged Brass Oversized Connecting Rods
  • Die-Cast, Anodized Aluminum Crankcase
  • High Quality Tapered Roller Bearings
  • Optimal Oil Bath for High Speed Operation


  • 184T Electric Flange
  • 1-1/8″ Hollow Shaft
  • 1750 RPM
  • 3.5 GPM
  • 3000 PSI
  • 18mm Piston
  • Inlet: 1/2″ FPT
  • Outlet: (Discharge) 3/8″ FPT
  • Approximate Weight: 20.3 lbs.
Weight 21.4 lbs
Shaft Diameter

1.125 in / 28.575 mm

Max Volume

3.5 GPM

Max Discharge Pressure

3000 PSI

Max Pump Speed

1750 RPM

Inlet Port

1/2-14 BSPP-F

Discharge Port

3/8-19 BSPP-F






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