Pressure Washer Pump 4300 PSI 4.4 GPM 1 Inch Shaft Horizontal Triplex Plunger Replacement - High Pressure Washer Pump for Simpson & More

Upgrade your pressure washer with our 4300 PSI, 4.4 GPM horizontal triplex plunger pump. This pump delivers consistent, powerful cleaning for a range of applications, from residential to light industrial use. Featuring a 1-inch shaft and durable construction, it’s designed for longevity and reliable performance. The triplex plunger design minimizes pressure fluctuations, enhancing cleaning efficiency and reducing wear. Equipped with an oil sight glass for easy monitoring of oil levels and condition, ensuring optimal lubrication and extending the pump's lifespan. Compatible with various horizontal engine pressure washers, including select Simpson MorFlex models. This pump boasts a standard SAE bolt pattern for easy installation. Ideal for demanding environments where consistent high performance is crucial. Maximum flow rate is 4.4 GPM, with a recommended working pressure of 3700 PSI for extended pump life. Built with advanced anodizing technology, the pump surface offers superior corrosion resistance. Includes a pressure regulator for precise pressure control, and allows reduction of pressure to idle the engine. Maintenance is simplified with the integrated oil sight glass. Designed for cold water use only. Routine oil changes (every 60 hours) are recommended to maintain peak performance. Input/Output connections: 3/4" NPT. Shaft diameter: 1".