Power washer pumps build water up to a very high pressure -- for quick & effective cleaning. So it's important to understand the types of power washer pumps on the market - and what to look for if you need to replace one.
You can see my #1 best recommendation for a pressure washer replacement pump: the Generac universal replacement pump on Amazon. I love this quality pump because its works with ALL gas pressure washer brands! And you can check Amazon's great price on this Generac universal pump.
Keep in mind that there are three kinds of pumps that are currently being offered: Wobble, Axial and Triplex. I'll review each type and give you important tips on replacement too.
Wobble pumps are used almost exclusively on the most common type of electric pressure washers on the market. You'll see wobble pumps on many Karcher units.
Wobble pumps are cheaper to build and they are not replaceable. That is, if your wobble pump breaks down, you have to replace your whole washer unit. Sorry. This type is generally built to last about 300 working hours.
The second most common type of power washer pump on the market is the axial cam. Axial cam pumps are more powerful and durable than woblble pumps. You'll find these pumps on the more expensive gas or electric pressure washers designed for homeowners. And some contractors do use units with an axial cam pump.
They feature larger bearings, stronger components and larger oil tanks so that they can run harder & longer. Generally speaking, axial cam pumps will run about 600-700 hours before needing repairs or replacement. And, yes, axial cam pumps can be replaced!
The least common type, for homeowners, is the triplex pump. You'll find the triplex pumps on contractor-grade power washers. These heavier contractor pressure washers are many times more expensive than the models usually sold to homeowners.
Yes, triplex pumps can be replaced, but they usually start at about $250- $350. And I should mention that there are times when rebuilding a triplex can be an option - instead of replacing it.
You can choose your perfect pump by thinking about how you want to use your pressure washer.
Do you want to do occasional cleaning around your house? Cleaning driveways, walkways, cars, decks, etc? Do you expect to use your power washer less than a dozen times each year? You might want to consider getting a unit with a wobble auger. You'll be able to choose a very economical unit that is perfect for light & occasional cleaning for most homeowner applications.
Or, are you somewhat obsessed with power washing? Do you think you'll be using it nearly every week? Do you imagine that you'll want to strip paint or finishes from surfaces? Do you want a unit that will last for many years? Then you should think about investing in a power washer with an axial cam pump.
Are you thinking about starting your own pressure washing business? Then you really need to get a contractor grade pressure washer that has a triplex pump. If you're a pressure washing contractor you don't want to lose time & money if your equipment isn't working -- so you need a heavy duty pressure washer pump that you can rely on.
Wondering whether to repair or replace your pump? See my Pump Repair page for some important tips.
Looking for pressure washer accessories? Here's a review of the BEST pressure washing accessories on the market.
Do you need repairs for your Karcher pressure washer? Read my tips on the Karcher Pressure Washer Repair page.
Thinking about getting a new pressure washer? Before you buy, get my pro review of the best pressure washers on the market! My expert reviews will save you time & money. Just click on one of my photos, below, to get the information you need:
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