SIMPSON AAA Pumps 3800 PSI 3.5 GPM 90038 Horizontal Triplex Plunger Pressure Washer Pump Replacement Kit with Northstar 5000 PSI Pressure Gauge

★★★★★ 4.3 150 reviews

$276.20
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$276.20
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Free shipping Free 30-day returns

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Product details

Management number 210634643 Release Date 2026/04/02 List Price $110.48 Model Number 210634643
Category

The AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit and Northstar Pressure Washer Pressure Gauge bundle is ideal for industrial gas power washers. The 90038 pump delivers up to 3800 PSI at 3.5 GPM to efficiently clean the toughest environments. It features dual ball bearings for smooth operation and a stainless steel unloader with easy-start technology. Replacing just the pump saves money compared to buying a whole new power washer. The Northstar 5000 PSI pressure gauge with 3/8" fittings allows you to accurately monitor the 90038 pump's water flow. Its easy-to-read display minimizes vibrations. Together, the rugged AAA pump and reliable Northstar gauge form a bundle suited for industrial gas pressure washer applications. With adjustable pressure via a hand turn knob, PowerBoost Technology, quick connect outlet, and sight glass oil indicator, the 90038 pump enhances functionality. The Northstar gauge provides the monitoring to optimize performance. For industrial power washing equipment, this bundled offering brings together complementary durability, efficiency, and visibility of operation.

  • Extend the life of your pressure washer with this easy-to-install AAA pump replacement kit that delivers 3800 PSI at 3.5 GPM to efficiently clean surfaces
  • Pressure gauge accurately monitors water flow up to 5000 PSI to help optimize cleaning performance
  • Pump is compatible with many gas pressure washers that have a horizontal engine, 1" shaft, and can support 3800 PSI at 3.5 GPM
  • Adjustable power with PowerBoost technology delivers higher pressure at the nozzle for efficient cleaning; Features hand turn knob to reduce power
  • Oil sight glass shows oil level and quality to indicate when oil change is needed for proper maintenance
Flow Rate 3.5 Gallons Per Minute
Brand Name SIMPSON
Power Source Gasoline-powered
Material Type Glass, Stainless Steel
Product Style 10.0GA13 3800 PSI @ 3.5 GPM + Pressure Gauge

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