3700 Psi Pressure Washer Pumps

9 offers compared: this page collects listings for 3700 Psi Pressure Washer Pumps priced from $115.99 to $499.99. Every product card leads to a detail page with specifications and an editorial take.

$294.99Median price
$115.99 – $499.99Price range
9Offers with price
Full price analysis →
Price trend

The median price is currently $69.68 — about 11% higher than 32 days ago.

Range in this period: $62.99 – $73.67 · As of September 15, 2026
Common specs:12 in (3×)5 Years (3×)9 in (3×)
Selection criteria:Pressure (PSI)Flow Rate (GPM)ColorUnit SystemConnector Type

Best 3700 Psi Pressure Washer Pumps 2026

Our top picks: 3700 Psi Pressure Washer Pumps

Selected automatically from marketplace relevance and prices of 9 listed offers.

  1. Pressure Washer Pump Power Washer Pump 3/4" Horizontal 3700 PSI 2.5 GPM
    Top matchPressure Washer Pump Power Washer Pump 3/4" Horizontal 3700 PSI 2.5 GPM
    3700 PSI5.5-8 HP6.22aaaaaa/15.8 cm

    This unbranded horizontal pressure washer pump offers a maximum pressure of 3700 PSI and a flow rate of 2.5 GPM.

    $115.99Find on Amazon →See on eBay →
  2. Pressure Washer Pump Horizontal/Vertical 3400/3700/4400 PSI Washer Pump
    Budget pickPressure Washer Pump Horizontal/Vertical 3400/3700/4400 PSI Washer Pump
    2.5 GPM / 4 GMP

    This Uimoso pressure washer pump is available in horizontal and vertical configurations, offering maximum pressures of 3400 PSI, 3700 PSI, or 4400 PSI.

    $129.90Find on Amazon →See on eBay →
  3. 8.7GA12 AAA Pressure Washer Pump 2.5 GPM @ 3700 Max PSI 3/4" Hollow Shaft
    Premium pick8.7GA12 AAA Pressure Washer Pump 2.5 GPM @ 3700 Max PSI 3/4" Hollow Shaft
    12 in5 Years6 in

    This AAA 8.7GA12 pressure washer pump is a metal, gasoline-powered water pump designed for cold water pressure washers.

    $352.99Find on Amazon →See on eBay →

Top 5: 3700 Psi Pressure Washer Pumps compared

#ProductPriceRatingTypeItem HeightStrength
1Pressure Washer Pump Power Washer Pump 3/4" Horizontal 3700 PSI 2.5 GPMPressure Washer Pump Power Washer Pump 3/4" Horizontal 3700 PSI 2.5 GPM$115.99—Pressure Washer Pump6.22aaaaaa/15.8 cmHigh 3700 PSI maximum pressure
28.7GA12 AAA Pressure Washer Pump 2.5 GPM @ 3700 Max PSI 3/4" Hollow Shaft8.7GA12 AAA Pressure Washer Pump 2.5 GPM @ 3700 Max PSI 3/4" Hollow Shaft$352.99—Water Pump6 in3700 PSI and 2.5 GPM performance
3530017 AAA Pressure Washer Pump 2.5 GPM @ 3700 Max Burst PSI 3/4" Hollow Shaft530017 AAA Pressure Washer Pump 2.5 GPM @ 3700 Max Burst PSI 3/4" Hollow Shaft$294.99—Water Pump4 inHigh 3700 PSI max burst pressure
4Pressure Washer Pump Horizontal/Vertical 3400/3700/4400 PSI Washer PumpPressure Washer Pump Horizontal/Vertical 3400/3700/4400 PSI Washer Pump$129.90—Pressure Washer Pump—Multiple max pressure options (up to 4400 PSI)
53/4" Shaft Triplex Pressure Washer Pump 2800-3700 PSI 2.5 GPM3/4" Shaft Triplex Pressure Washer Pump 2800-3700 PSI 2.5 GPM$296.71————
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FAQ: 3700 Psi Pressure Washer Pumps

What does 3700 Psi Pressure Washer Pumps currently cost?

The 9 priced offers on this page sit between $115.99 and $499.99. The middle price (median) is $294.99 — as of September 2026.

What should you compare when choosing 3700 Psi Pressure Washer Pumps?

Key selection criteria on this page are Pressure (PSI), Flow Rate (GPM), Color, Unit System and Connector Type. The category filters cover each of these, so suitable models can be narrowed down step by step.