Best Pressure Washer Couplers of 2026

"I've equipped all my hoses and pressure washer with these fittings, and the all-metal construction prevents any leaks. Swapping wands is now super quick, making chores much less of a hassle."

"After outfitting my entire garden and pressure washing setup with these quick-connects, setup is now fast, leak-free, and incredibly convenient. I highly recommend them for anyone tired of screwing and unscrewing hose fittings."

"The kit truly exceeded my expectations. The brass adapters are robust and the quick disconnect feature makes swapping nozzles effortless. Installation was a breeze and everything works perfectly—definitely a five-star accessory for any pressure washer."

"I've tried several quick connects before, but the quality and ease of use of the McKillan's are unmatched. Installation is simple, and I've never had to deal with leaks or hassle. These have saved me a ton of time every time I use my pressure washer. Absolutely worth every penny."

"At first, I ran into a small leak after using the connectors once. However, the seller responded quickly and offered a replacement or refund right away. The build quality is top-notch, and knowing that customer support stands behind the product makes me feel confident in my purchase."

"I was tired of cheap, leaky quick connects and decided to try McKillan's stainless steel system. Every piece is solid, well made, and connects reliably. The thick gaskets and extra replacements are a nice touch. I've since bought several other McKillan's products and have been impressed with the consistent high quality. Highly recommend supporting this small business!"

"These quick connects were exactly what I needed to optimize my Active 2.0 setup. Everything fit together perfectly—no leaks, tight tolerances, and sturdy construction. They make swapping out accessories seamless, and I love that there's no need for tools—just click and go. It's a small upgrade that really streamlines the detailing workflow."

"I used this kit to convert both my pressure washer and garden hose to quick disconnects. The quality is top-notch, and it’s little touches like this that make a big difference."

"I had a minor issue with a defective connector, but customer service was fast, friendly, and quickly sent a replacement. Just a note: be careful with the sharp threads when handling. Otherwise, it's a fantastic product."

"I used to struggle with greasing the joints on my truck, but after switching to this product, everything became so much simpler and faster. It saved me from a lot of mess and wasted grease. I highly recommend it for a much easier maintenance routine."

"After replacing the tip on my grease gun with this coupler, I found it incredibly easy to use, even on tricky fittings. The latch mechanism securely grabs the fitting and ensures the grease actually goes where it’s supposed to. It was a breeze to work on my zero turn mower."

"I was impressed by how well this coupler prevents grease leaks and stays tightly attached. Even on those hard-to-grease fittings, it really holds on, making the job much more efficient."

"I upgraded my pressure washer setup with this kit and couldn't be happier. The solid brass fittings feel extremely durable, and all the connections seal up tight with zero leaks. The quick-connect feature has made setup and swapping accessories effortless—no more struggling with threads. If you want to streamline your cleaning routine, this is a fantastic value."

"This product really transformed the way I use my pressure washer—setup and takedown are so much faster now. Switching between guns and hoses is a breeze, and everything fits perfectly with no pressure loss or drips. Honestly, I wish I'd bought these a long time ago!"

"Although I got the wrong size connector (received a 14mm instead of the 15mm I ordered), I managed to make it work with an adapter. Aside from that, the fittings are high-quality and handled my 3300 psi washer with no leaks. Overall, the build and performance are impressive."

"Upgrading to these quick-connect couplers completely streamlined my pressure washing routine. The solid stainless steel build and smooth, leak-proof connections instantly made swapping nozzles and accessories frustration-free. I really appreciate how sturdy and precise the machining feels, and the installation was a breeze. After weeks of heavy use, they’re still performing flawlessly. For anyone looking to upgrade, these are definitely worth the investment."

"As someone who’s been slowly building out my car wash setup at home, I found that the quality of McKillans gear is unmatched. Switching over to these couplers made my system feel more professional and reliable—no more cheap fittings that corrode or seize. If you’re just getting into pressure washing, I highly recommend this; it’s a game changer compared to standard parts."

"I used these quick connects on my pressure washer gun and was immediately impressed by the ease of use and durability. The push-to-connect action is smooth and secure, and the stainless steel looks and feels like it will last forever. Installation was straightforward, and I even repurposed the second coupler for my garden hose. This upgrade is a small change with a big impact on convenience."

"I needed a way to connect two pressure washer hoses, and this did the job perfectly. It was simple to attach, felt sturdy, and didn’t leak at all. I highly recommend it for anyone needing to extend their reach!"

"After installing this onto my pressure washer, I was able to join two hoses without any hassle. The fit was perfect and feels built to last. I’m very satisfied with how it turned out."

"I had to replace my original connector, and this new one worked just as flawlessly. No leaks and great quality—it’s ideal for anyone wanting to extend a short pressure washer hose and clean farther from the unit. Totally recommend!"

"These quick connects have seriously streamlined my detailing setup. I don’t waste time screwing hoses and wands every time I use my pressure washer—the process is now super fast and hassle-free. They’re a must-have for anyone tired of constantly swapping attachments."

"I own multiple pressure washer guns and hoses for different jobs, and these quick connects are a game-changer. No more unscrewing and reattaching guns or hoses; I can just pop them on or off in seconds. The stainless steel feels solid, locks tight, and doesn’t leak. Definitely recommend, especially for Ryobi users with M22 14mm fittings!"

"This kit makes changing out wands on my pressure washer so much easier. We’ve had no issues with leaks, and the quality matches or beats more expensive brands I’ve tried before. Highly recommended for anyone planning big cleaning projects."

"I've found that these fittings drastically cut down on refrigerant leaks and make connecting or disconnecting gauges much cleaner. The build quality is impressive, and they’ve held up for me through repeated use."

"I paired this quick coupler with my existing hoses and it’s been a real improvement—no more blowback or messy spray, even at higher pressures. Liked it enough to get another for my low side!"

"These couplers make recharging HVAC systems much safer by preventing accidental refrigerant loss and protecting my hands from frostbite. The quick release feature is a huge time saver when attaching or detaching hoses."

"I connected an aftermarket hose to my Harbor Freight Portland washer using this fitting. It allowed me to extend the hose to 75ft with zero leaks and no teflon tape required. This solution made my setup much more versatile."

"Upgrading my old Husky 1750psi washer was possible thanks to this adapter. The new hose I bought didn't fit initially because of the M22-15mm vs M22-14mm difference. This adapter fit perfectly and made the connection solid and leak-proof."

"When I got a new pressure spray-lance, I realized the hose sizes didn't match my old washer. After learning about the subtle 14mm vs 15mm size difference, I found this robust brass adapter. It saved the day by making everything work seamlessly, though I wish it came in a two-pack."