【High Pressure Power】This 18L petrol pumps delivers powerful 275Bar/4000Psi pressure for thorough tasks, suitable for most electric pressure washers using standard bolt layout. Perfect for car washing, equipment , and surfaces maintenance. 【Durable Dissipation】Features aluminum alloy pumps body with advanced cooling fins design for better heat dissipation. Ceramic coated plunger components erosion and reduce friction for long lasting . 【Enhanced & Safety】Upgraded technology provides 500 hour life with sealed to oil seal loosening. Includes thermal valves to protect internal components from overheating damage during extended use. 【Convenient Maintenance Features】Equipped with oil levels observation window for easy without dipstick. Recommended oil change every 50 operating hours to maintain optimal pumps and longevity. Package includes: 1 set Plunger pumps