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AAA Triplex Replacement Pump Kit for SIMPSON Gas Power Washers

AAA ★ 3.4/5 · ItemOracle Score Premium

$270 USD
Price subject to change
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AAA 3700 PSI 2.5 GPM Replacement Triplex Pressure Washer Pump Kit for SIMPSON Gas Power Washer Pumps, 3/4" Shaft, Horizontal Engine Fit, PowerBoost (90037)

AAA Triplex replacement pump for SIMPSON gas pressure washers. Provides up to 3700 PSI at 2.5 GPM with a 3/4" shaft, designed for horizontal engines. Customers note easy installation and good fit

Highlights

  • triplex replacement pump
  • fits horizontal engines
  • 3/4" shaft compatibility

Pros

  • easy installation
  • good fit for horizontal engines
  • reliable pump performance
  • compatible with 3/4 inch shaft

Cons

  • durability concerns reported by some customers
  • mixed opinions on build quality

Best For

  • replacing a faulty SIMPSON pump
  • restoring pressure and flow on gas washers
  • horizontal engine applications
  • 3/4-inch shaft compatibility
  • post-maintenance upgrade

Features

  • Replaces SIMPSON pump with AAA Triplex, up to 3700 PSI at 2.5 GPM for horizontal engines with 3/4" shaft
  • SAE bolt pattern compatibility guides installation for many gas units; verify engine orientation and inlet/outlet connections
  • PowerBoost adjustable knob allows pressure tuning from tasks like siding to sidewalks
  • Stainless steel unloader supports easy-start system; dual oversized ball bearings reduce friction
  • Durable brass manifold; thermal relief valve; sight glass with oil seal technology; garden hose inlet and M22 threaded connection

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