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Pump, Triplex, 3.5GPM 4000PSI 3400 RPM,

Quick Overview

  • Replacement Pump for 1 inch gas flange pressure washer
  • Innovative one piece plunger design for long service life
  • General Pump replacement pump for gas powered pressure washers

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Item #: 74-8109  UPC : 00669893045262  MPN : EZ4035G34



 Available to Order, Estimated Delivery: Early June
This is an obsolete Item

Pump, Triplex, 3.5GPM 4000PSI 3400 RPM


  • Innovative one piece plunger design for long service life
  • offers a 5% reduction in crankcase load compared to standard 3000 psi 15mm pumps
  • Plunger performance is improved against thermal shock and cavitation due to new, unique bonding process
  • Standard SAE J609 gasoline mounting flange for up to 16hp engines
  • Forged brass manifold with a 3:1 hydrostatic rating
  • Die-cast, anodized aluminum, oil bath crankcase
  • Premium roller bearings
  • Stainless steel inlet and discharge valves


  • Max Volume: 3.5 GPM
  • Max Discharge Pressure: 4000 PSI
  • Max Pump Speed: 3400 RPM
  • Bore:    13mm
  • Stroke: 11mm
  • Oil Capacity: 14 oz
  • Max Fluid Temperature: 165 F
  • Inlet Port Thread: 1/2" FPT
  • Discharge Port Thread: 3/8" FPT
  • Hollow Shaft I.D: 1"
  • Weight: 20 lbs.
  • Dimensions: 8.8"x9.7"x6.5"

Proposition 65 requires businesses to provide warnings to Californians about significant exposures to chemicals that cause cancer, birth defects or other reproductive harm.  These chemicals can be in the products that Californians purchase, in their homes or workplaces, or that are released into the environment. By requiring that this information be provided, Proposition 65 enables Californians to make informed decisions about their exposures to these chemicals. Proposition 65 also prohibits California businesses from knowingly discharging significant amounts of listed chemicals into sources of drinking water. Proposition 65 requires California to publish a list of chemicals known to cause cancer, birth defects or other reproductive harm. This list, which must be updated at least once a year, has grown to include approximately 900 chemicals since it was first published in 1987. Proposition 65 became law in November 1986, when California voters approved it by a 63-37 percent margin.  The official name of Proposition 65 is the Safe Drinking Water and Toxic Enforcement Act of 1986.

The list of chemicals contains a wide range of naturally occurring and synthetic chemicals that include additives or ingredients in pesticides, common household products, food, drugs, dyes, or solvents. Listed chemicals may also be used in manufacturing and construction, or they may be byproducts of chemical processes, such as motor vehicle exhaust.  For more information visit www.p65warnings.ca.gov/

Item #:74-8105
Regular Price: $541.45
Item #:74-8108
Regular Price: $590.80