3700 Psi Pressure Washer Pumps

10 offers compared: this page collects listings for 3700 Psi Pressure Washer Pumps priced from $135.99 to $499.99. Every product card leads to a detail page with specifications and an editorial take.

$344.99Median price
$135.99 – $499.99Price range
10Offers with price
Full price analysis →
Price trend

The median price is currently $73.67 — about 4.8% higher than 32 days ago.

Range in this period: $69.68 – $73.67 · As of September 22, 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 10 listed offers.

  1. Pressure Washer Pump, 3700PSI 2.5GPM 3/4" Shaft Horizontal Triplex Plunger Power
    Top matchPressure Washer Pump, 3700PSI 2.5GPM 3/4" Shaft Horizontal Triplex Plunger Power
    6.03 Kilograms1.0 CountEngine

    This is a horizontal triplex plunger pressure washer pump, suitable for engine power sources.

    $245.92Find on Amazon →See on eBay →
  2. Pressure Washer Pump Power Washer Pump 3/4" Horizontal 3700 PSI 2.5 GPM
    Budget pickPressure 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.

    $135.99Find 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.

    $344.99Find on Amazon →See on eBay →

Top 5: 3700 Psi Pressure Washer Pumps compared

#ProductPriceRatingItem HeightItem LengthStrength
1530017 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$299.99—4 in12 inHigh 3700 PSI max burst pressure
2Pressure Washer Pump, 3700PSI 2.5GPM 3/4" Shaft Horizontal Triplex Plunger PowerPressure Washer Pump, 3700PSI 2.5GPM 3/4" Shaft Horizontal Triplex Plunger Power$245.92———High 3700 PSI maximum pressure
3Pressure 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$135.99—6.22aaaaaa/15.8 cm9.62aaaaaa/24.45 cmHigh 3700 PSI maximum pressure
48.7GA12 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$344.99—6 in12 in3700 PSI and 2.5 GPM performance
5Pressure Washer Pump, 3/4" Shaft Horizontal Triplex Plunger, 3700 PSI, 2.5 GPMPressure Washer Pump, 3/4" Shaft Horizontal Triplex Plunger, 3700 PSI, 2.5 GPM$189.05—6.22 in/15.8 cm9.62 in/24.45cmHigh 3700 PSI maximum pressure
See all 3700 PSI Pumps results Search Amazon →

FAQ: 3700 Psi Pressure Washer Pumps

What does 3700 Psi Pressure Washer Pumps currently cost?

The 10 priced offers on this page sit between $135.99 and $499.99. The middle price (median) is $344.99 — 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.