Pressure Washer Pump

Probably the most overlooked yet critical pressure washer parts is the pressure washer pump at the heart of the machine.

As such, it is also subject to a high degree of wear and tear while in use. There are as many different kinds of pumps as there are pressure washers out there. Different machines with varying strengths and capabilities rely on different pumps. Whether it is an electric model operating at a maximum pressure of 2000 psi or a gasoline engine commercial power washer with a 4000 psi, all pumps are subject to failure and may need to be replaced.

There are many different resources online where you can look for and find the right pump. It can be a somewhat daunting task due to the technical nature and jargon associated with these highly specialized parts. The first place to look would be the manufacturer. So if you need a Craftsman pressure washer pump, your logical first step is to head over to Sears or go to their website.

One of the most popular types of pumps is the plunger/piston type pump. Basically the different power levels and water flow rates are governed by three factors: the speed of the pump (RPM), the size or diameter of the cylinder, and the length of the stroke. These specifications are adjusted depending on the desired output.

A pressure washer water pump has two major sections. One is the crankcase which contains the crankshaft which is connected to the engine and the manifold which is where the water flows through. Understanding the basics illustrates the importance of pressure washer pump oil, which keeps the moving parts lubricated.

Ex-cell pressure washers by DeVilbiss are well made, widely available consumer type pressure washers. They can be found in home improvement warehouse stores under various brand names such Porter Cable and Black & Decker. Together these have become one of the most popular washers you can buy. Those who have made the investment in an Ex-cell DeVilbiss pressure washer may find the need at some point to invest in additional accessories or even replace the pump.