• (760) 219-6497

4000 PSI Simpson Horizontal Pressure Washer Pump 90039 4000 3.3 GPM


Categories: ,


The AAA PROFESSIONAL triplex pump rated up to 4000 PSI @ 3.3 GPM is highly efficient minimize engine load while delivering top performance. AAA pumps carry a 5 year limited commercial warranty. The 90039 contains dual oversized ball bearings for better wear, friction resistance and longer lasting performance in the toughest cleaning environment. Equipped with the Easy-Start feature and is rated up to 4000 PSI @ 3.3 GPM.
• PSI 4000
• GPM 3.3
• Kit Includes, Siphon tube with filter, mounting bolts and shaft key
• Inlet Port 3/4″ GH
• Discharge Port, 3/8″ Quick connect female
• Inlet Pressure Range, 10-60 PSI
• Thermal Relief Port, 1/2″ NPT
• Shaft Diameter, 24mm
• Key Way, M8
• Pump Oil Capacity, 11 fl oz.
• PowerBoost, Yes
• Head, Brass
• 4000 PSI @ 3.3 GPM
• Power Boost Technology
• Fully adjustable unloader system with ergonomic control
• Sight glass and advanced oil seal technology, does away with the need for a dipstick
• Thermal relief protection to prevent pump overheating
• Dual oversized radial ball bearings are installed for better wear, friction resistance and precision ceramic coated pistons for extended seal life
• Crankcase is manufactured from fully anodized die cast aluminum for corrosion protection and is sealed to prevent contamination and lube failure
• Gas engine flange and hollow shaft that fits most horizontal shaft engines
• We at M & M Products are distributors for Briggs and Stratton, Kohler, Toro dealer. We not only sell their OEM parts we also use them on our equipment repairs and rebuilds. If there is something you need and don’t see it on one of our auctions, please email me through eBay and I can get it in and create an auction for that item.


There are no reviews yet.

Be the first to review “4000 PSI Simpson Horizontal Pressure Washer Pump 90039 4000 3.3 GPM”

Your email address will not be published. Required fields are marked *