Repair Pressure Washer Pump 101

If you're having pressure washer pump problems, and thinking about pump repair or replacement, this page is for you. I share my pro advice on the most common troubleshooting solutions and when to repair - or replace.

You can check out my top axial pump recommendation: the Generac Universal Pump on Amazon.

And you can see my #1 Honda pressure washer replacement pump recommendation: the Homelite Universal 3,000 PSI pump on Amazon.

This Homelite is a high quality replacement axial cam pump for Honda pressure washers with a maximum 3,000 PSI - and it's priced right. It's a maintenance-free unit because the oil is pre-filled and permanently sealed in the pump. This Homelite pump is rated for 300+ hard working hours! I highly recommend this axial pump.

You can check Amazon's pricing on the Homelite Universal 3,000 PSI pump.

Troubleshoot First - Before you Repair or Replace

Eventually, all pressure washer pumps will fail or wear out. But, before you try to repair or replace it, read these quick troubleshooting tips, first, to try to save yourself time & money.

And if you need a triplex replacement pump on your Honda pressure washer, I highly recommend this Triplex Pump on Amazon. It's built tough with ceramic plungers, that will resist pitting & wear, with a forged brass manifold for durability. This Triplex pump will give you a max pressure of 3,000 PSI and 3.1 GPM. And it comes with a thermal relief valve, easy start valve & pressure relief valve!

Check Amazon's price on this Triplex Pump.

Warranty: I know it seems obvious, but do think you might still be covered under the manufacturers warranty? Each pump manufacturer has a different warranty period - anywhere from 30 days to 2 years.

A quick look at your owners manual will tell you. But, if your owners manual isn't handy,  you can call the 800 service number that's listed on the 2-3" silver name plate, near your engine. And it has your washers serial number. It never hurts to call and double check your warranty.

Less Water Flow?  I can't tell you how many damaged pumps I've seen just because the washer is drawing in dirty or insufficient water. And it's only because the filters screens, especially near the intake valve, are dirty. And it will eventually burn up a pump. Take a moment to see if your filters are clogged with grit, dirt or leaves.

Also, a leaking hose, valve, o-ring or leaking gun will drop your water pressure and flow.  These parts are very cheap & easy to replace and it's a quick fix.

No Water Flow?  First - immediately turn off your unit! Without water flowing through your pressure washer, your pump will quickly fail. Then check to make sure your garden hose isn't kinked.

If this is the first time you've tried to start your pressure washer after storing it in the winter, you need to change the oil right away! The old oil will keep your pump from working properly.

Always check the oil level in your pump, using your dipstick or sight window.  Always keep the proper oil level but never overfill it.

If you're still having trouble, here are my top picks for replacement pressure washer pumps:

Best Pressure Washer Pump Comparison Chart

Most Popular

Highest Power

Generac Universal Horizontal Mount Pump on Amazon

Himore Universal Vertical Mount Pump on Amazon

AR North America Triplex Pump on Amazon

Quick Review of the Best Replacement Pumps

  • Horizontal Mount
  • Up to 3,000 PSI
  • Comes sealed with fluids 
  • Universal and works with all washer brands
  • Vertical Mount
  • Up to 2,700 PSI
  • Comes Sealed & Ready to use
  • Works with all brands
  • Horizontal Mount
  • Triplex Pump
  • Up to 4,000 PSI & 3 GPM
  • Stainless Steel Plunger Rods
  • Heavy Duty Construction
  • Price  

    Check today's price on Amazon 

    Check today's price on Amazon

    Look up today's price on Amazon 

    Best Pressure Washer Pump Comparison Chart

    1. Quick Replacement Pump Review:

    Most Popular

    Generac Universal Horizontal Pump on Amazon

    • Horizontal Mount
    • Up to 3,000 PSI
    • Comes sealed with fluids
    • Universal & works with all washer brands

    Himore Universal Vertical Mount Pump on Amazon

    • Vertical Mount
    • Up to 2,700 PSI
    • Comes sealed & ready to use
    • Works with all brands

    AR North America Triplex Pump on Amazon

    • Horizontal Mount
    • Triplex Pump
    • Up to 4,000 PSI & 3 GPM
    • Stainless Steel Plunger Rods
    • Heavy Duty Construction

    2. Price

    Repair Pressure Washer Pump 101

    If you have a gas pressure washer and only need a slight repair or pump replacement, you're better off doing it yourself - rather than buying a whole new unit.

    There are dozens of  websites that have a wide selection of pressure washer parts and accessories at very competitive prices.

    Most good gas pressure washers are priced between $300 -- $700+, but you can pick up a brand new, high quality replacement pump for about a $100. (See below). Pressure washer pumps are incredibly easy to install - usually just a matter of removing 3-4 bolts!

    Here's my highly recommended replacement pumps - and why I recommend them:

    This horizontal Generac pump is a universal fit - so it will work with any pressure washer brand or engine up to 3,000 PSI with a horizontal mount.

    When you compare quality & price, you just can't beat this Generac pump.

    It's shipped to you completely sealed - and ready to be installed next to your engine. I love that it comes completely sealed & with proper fluids. No leaks. Extra easy & fast installation for you. And Generac consistently produces quality pressure washer pumps. You can read other customer reviews on Amazon.com.

    This Himore Universal vertical mount pump, available on Amazon, is my top choice if you need a vertical mount replacement pump.

    This vertical mount pump with 7/8" shaft fits any model or brand of pressure washer with a maximum of 2700 PSI and 2.4 GPM.

    And this Himore Universal Vertical Pump will come to you filled with pump oil, sealed and ready to be put onto your washer. No annoying leaks or refilling. Super easy installation so you won't waste time getting your unit up & running again. 

    And it's very economically priced. You can pick it up for less than $100! You can check this item at Amazon.com's price.

    And this AR North America Triplex pump is my #1 Choice when you need a replacement triplex  pump.

     I love the construction: one piece that's made with a special alloy aluminum and bronze base. It's oversized to give you the maximum strength & longest life.

    It works  great for gas pressure washer units up to 4,000 PSI and 3 GPM. And it features a 3/8" quick connect - so hooking it up only take a few minutes. You can check this item at Amazon.com's price.

    Here's My Top Recommendation for the Best Gas Pressure Washer:

    When you compare power, quality, speed & cost, I really recommend the Generac 6596 as the #1 gas pressure washer!

    Here's why I think it's the best gas pressure washer choice:

    With it's powerful Generac 196 cc OHV gas engine, you'll get a whopping 2,800 PSI with 2.5 GPM - which is a powerful amount of cleaning power! You'll be able to clean much faster than if you were using an electric unit.

    And I want to say that I really like the high quality Generac axial cam pump. It's built to last over the long haul. And you can read other customer reviews on Amazon.com.

    For such a power house of a washer, this Generac weighs a relatively lightweight 65.5 lbs. But what makes it very unique is that it has a specially designed frame that perfectly balances the engine & pump over the axle, for lighter handling. This Generac washer moves easily & effortlessly!

    The spray gun is molded so it's comfortable in your hand - even if you're using it for a long time. And I really, really like the oversized Never-Flat tires. Goodbye to irritating flat tires while you're working.

    The Generac 6596 is an excellent gas pressure washer at a great price.  You can see Amazon.com's price.

    Here's My Top Recommendation for the Best Electric Pressure Washer:

    I highly recommend the AR Blue Clean AR383 as the best electric pressure washer for any homeowner! Here's why I think it's the best electric unit:

    It provides 1900 PSI which gives you very good cleaning power & speed - and  it has an Annovi Reverberi Triplex 3 axial piston pump!  As a pro, I know very well that the quality of your pump is critical for good cleaning results, consistent performance & long life. This Annovi Triplex pump is a much higher quality & longer lasting pump than you'll see on other electric washers.  And you can read other customer reviews on Amazon.com.

    And I know you'll really appreciate that this AR Blue Clean has a hose reel! Finally - you can get a hose reel on an electric unit! Trust me, the fact that you can neatly & quickly store your 20ft hose on the unit will help you work faster & more safely. And it's also easier to store. You can check this item at Amazons price.

    Questions? Contact Me

    Best Pressure Washers Comparison Chart Here - Quick & Easy!

    Best Replacement Pumps Comparison Chart Here!