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  • 2.5 GPM, 3100 PSI; garden hose inlet / M22 outlet threading
  • Fits most cold water gas pressure washers with horizontal engines; 7/8" shaft size
  • High performance double high-pressure seals prevent leaks
  • Comes standard fully plumbed with integrated easy-start
  • Thermal relief protection, maintenance-free crankcase, and brass manifold
UPC Code: 879399001475
Shipping: Usually Ships in 3-5 Business Days

Other Products from this Line

Flow Rate 2.5 GPM
Manifold Brass
PSI 3,100 PSI
Shaft Size 7/8 Inches
Style Cold Water
Threading Garden Hose Inlet / M22 Outlet
Type Pumps
Unloader Integrated with Easy Start


Designed for superior performance, this Simpson 90027 OEM Technologies vertical axial cam pump is made to fit most makes and models of cold water gas pressure washers with horizontal engines and a 7/8" shaft size. This Axial cam pump is efficient while minimizing the strain on the engine of your pressure washer and maximizing performance. With stainless steel pistons and a high-pressure double seal system, this pump is designed to prevent water leaks.

This pump also features a stainless steel integrated unloader and easy-start system, a garden hose inlet, threaded M22 male outlet connection, and thermal relief protection to prevent pump overheating. It comes fully plumbed with a brass manifold. It is rated at 3100 PSI and 2.5 GPM.

Due to manufacturer production variations, check the Compatibility resource to ensure this part is suitable for your application.

Because this item is not stocked in our warehouse, processing, transit times and stock availability will vary. If you need your items by a certain date, please contact us prior to placing your order. Expedited shipping availability may vary. We cannot guarantee that this item can be cancelled off of the order or returned once it is placed.

Resources and Downloads

Simpson 90027 Manual Manual Simpson Pumps Sell Sheet Compatibility

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