You are here: Home > Pumps > Pumps by Shaft Size

Power & Pressure Washer Pumps & Parts by Size

We at PW Outlet have made it simple for you to identify water pressure washer pumps by shaft size. Simply select the category by shaft size and whether you’re looking for a replacement vertical, horizontal or belt-driven shaft pressure washer pump. If you do not need search parameters by pressure washer pump sizing, simply click the exit button to navigate our entire inventory of pumps for power washers.

If this comprehensive search feature by shaft size does not lead you to the right product, our friendly technical staff would be happy to answer any questions you might have. Contact us either through email at or through our phone number, 877.277.1988. We treat all of our customers like family and offer a 30-day NO HASSLE return policy, because gaining a lifetime customer is more important to us than a single transaction. Orders of $100 or more include FREE shipping to your home or business.