5% off First Purchase
1 inch shaft
Pressure Regulators & Unloaders
Discover Unloader
Valves
for Every Need
from Basic to Premium
High efficiency Designs
Industrial High-Pressure Washer Pumps, Power Systems & Fluid Control Equipment
Performance-Engineered Solutions for Pressure, Flow and long term Reliability
WSHPWR specializes in industrial high-pressure washer pumps, power systems, and fluid control equipment designed for precision, durability, and consistent performance. Explore our curated catalog which includes high-pressure regulators, hydraulic pumps and motors, pump packages, and complete industrial skid systems. From ultra-high water jetting pumps to specialized accessories and components, every product reflects our commitment to Italian engineering, excellence and reliable fluid power solutions; built to deliver consistent pressure, optimized flow rates, and long-term operational reliability.
Showing all 26 results
-
Pump Packages
3PG4435P 4400 PSI Pump Pressure Pro fits GX390
Original price was: $842.00.$375.00Current price is: $375.00. -
Pump Packages
3PG4435S 4400 PSI Pump Package GX390 Simpson BE
Original price was: $887.00.$375.00Current price is: $375.00. -
Pump Packages
3PG4435W 4400 PSI Pump GX390 replaces AR RSV
Original price was: $840.00.$349.00Current price is: $349.00. -
Pump Packages
3PG4440P 4400 PSI Pump Pressure Pro fits GX390
Original price was: $887.00.$375.00Current price is: $375.00. -
Pump Packages
3PG4440S 4400 PSI Pump Package GX390 Simpson BE
Original price was: $887.00.$375.00Current price is: $375.00. -
Pump Packages
3PG4440W 4400 PSI Pump GX390 1″ Shaft Comet EWD
Original price was: $776.00.$349.00Current price is: $349.00. -
Accessories & Components - Power Transmission Components
AR1600 | Gear Box for RK/XW Pumps, 1 in Shaft
Original price was: $1,065.34.$639.00Current price is: $639.00. -
Accessories & Components - Power Transmission Components
AR1681 | Gear Box for XR Gas, 1 in Shaft
Original price was: $499.33.$299.00Current price is: $299.00. -
Accessories & Components - Power Transmission Components
AR1693 | Gear Box, 2:1 Ratio, 1 in Shaft
Original price was: $527.59.$299.00Current price is: $299.00. -
Pump Packages
W4443 4400 PSI Pump GX390 replaces EZ4040 RRV4G40
Original price was: $887.00.$379.00Current price is: $379.00. -
Pump Packages
W4443DLX 4400 PSI Pump GX390 Clear View Inlet
Original price was: $1,220.00.$549.00Current price is: $549.00. -
Pump Packages
W4443H 4060 PSI Hot Water Pump GX390 167F Rated
Original price was: $1,299.00.$679.00Current price is: $679.00. -
Pump Packages
W4443HT 4060 PSI Hot Water Tank Feed Pump GX390
Original price was: $931.00.$679.00Current price is: $679.00. -
Pump Packages
W4443PIT 4400 PSI Tank Feed Pump GX390 w/Injector
Original price was: $1,198.00.$449.00Current price is: $449.00. -
Pump Packages
W4443T 4400 PSI Tank Feed Pump GX390 Trailer Skid
Original price was: $931.00.$399.00Current price is: $399.00. -
Pump Packages
W4443VP 4400 PSI Pump GX390 VRT Pressure Pro Plug
Original price was: $1,064.00.$449.00Current price is: $449.00. -
Pump Packages
W4443VPI 4400 PSI Pump GX390 VRT Plug w/Injector
Original price was: $1,153.00.$449.00Current price is: $449.00. -
Pump Packages
W4443VRT 4400 PSI Pump GX390 VRT Unloader Kit
Original price was: $1,064.00.$449.00Current price is: $449.00. -
Pump Packages
W4443VRTT 4400 PSI Gravity Feed Pump GX390 VRT
Original price was: $1,109.00.$449.00Current price is: $449.00. -
Pump Packages
W4443W 4400 PSI Universal Gas Engine Pump Bypass
Original price was: $998.00.$399.00Current price is: $399.00. -
Pump Packages
W4443WH 4060 PSI Hot Water Pump GX390 167F Seals
Original price was: $998.00.$689.00Current price is: $689.00. -
Pump Packages
W4443WHT 4060 PSI Hot Water Tank Feed Pump GX390
Original price was: $1,042.00.$689.00Current price is: $689.00. -
Pump Packages
W4443WP 4400 PSI Contractor Pump Pressure Pro
Original price was: $1,042.00.$399.00Current price is: $399.00. -
Pump Packages
W4443WPT 4400 PSI Gravity Feed Pump Pressure Pro
Original price was: $1,087.00.$399.00Current price is: $399.00. -
Pump Packages
W4443WS 4400 PSI Contractor Pump GX390 Socket QC
Original price was: $1,042.00.$399.00Current price is: $399.00. -
Pump Packages
W4443WST 4400 PSI Tank Feed Pump GX390 Socket QC
Original price was: $1,087.00.$399.00Current price is: $399.00.
