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🔧 Upgrade your pressure washer game with Kärcher’s quick-fit adapter—because every second counts!
The Kärcher High Pressure Quick-Fitting Pipe Union A is a precision-engineered adapter that converts M22 threaded outlets to Kärcher’s quick-connect system. Rated for up to 1800 PSI, it guarantees a secure, leak-free connection with effortless, tool-free installation. Compact and lightweight, this genuine Kärcher accessory enhances compatibility and usability for home and garden pressure washers, making hose changes faster and more reliable.

| ASIN | B004WCAKMK |
| Best Sellers Rank | 7,719 in Garden ( See Top 100 in Garden ) 3 in Pressure Washer Couplers |
| Brand | KÄRCHER |
| Brand Name | KÄRCHER |
| Colour | Black |
| Customer Reviews | 4.6 out of 5 stars 2,203 Reviews |
| Global Trade Identification Number | 04039784395503 |
| Item Dimensions L x W x H | 5.7L x 4.6W x 4.6H centimetres |
| Item Weight | 0.01 Kilograms |
| Item weight | 0.01 Kilograms |
| Manufacturer | Kärcher |
| Manufacturer Part Number | 4.470-041.0 |
| Maximum Pressure | 1800 Pound per Square Inch |
| Model Number | 4.470-041.0 |
| Power Source | Corded Electric |
| Power source | Corded Electric |
| Product dimensions | 5.7L x 4.6W x 4.6H centimetres |
| Unit Count | 1.0 count |
| Wand Length | 20 Inches |
B**Y
Simple part, but absolutely essential if you need it
I bought this adapter to connect a newer quick-release hose to an older Kärcher pressure washer, and it solved the problem instantly. If you’re dealing with mismatched fittings (M22 screw thread vs quick connect), this is exactly the piece you need. Installation is straightforward it screws onto the existing M22 outlet and then allows you to click in a quick-connect hose. Took less than a minute to fit, no tools required, and it feels secure once tightened. In terms of build quality, it’s what you’d expect from Kärcher: solid plastic construction with a good seal. Once connected, there were no leaks or pressure drops, and everything locked in place properly. Where this really shines is convenience. Switching to a quick-connect system makes attaching and removing hoses much faster, especially if you use your pressure washer regularly. It’s a small upgrade but makes a noticeable difference in usability. That said, it’s not a universal fix for every setup. You need to make sure: Your machine has an M22 threaded outlet It’s compatible with Kärcher quick connect systems It won’t work with certain models (e.g. some hose reel setups) Pros: Quick and easy installation Solves compatibility issues between old and new fittings Leak-free and secure connection Genuine Kärcher quality Cons: Only useful for specific setups (not universal) Easy to order the wrong adapter if you don’t check fittings carefully Final verdict: A small but essential adapter if you’re upgrading or replacing hoses on a Kärcher pressure washer. It does exactly what it’s designed to do no more, no less and once installed, it makes your setup much more convenient to use.
G**S
Good quality connector at a good price.
I had bought a new snow foam lance but the connector that came with it was not the best quality and leaked. This genuine Karcher connector was cheaper than third party versions, as I was using it to connect to a Karcher pressure washer I thought this would be perfect. The item arrived quickly and well packaged and now my snow foam lance connects perfectly with no leaks. Would recommend.
M**L
value for money
works fine great cheaper than other places
A**R
Brilliant
Brilliant! Enabled me to use Kartcher tools (from a totally useless poorly made kartcher, check out hose connector on kartcher very carefully before you buy one) on a no name brilliant pressure washer.
R**N
perfect
i recently upgrade to the k5 by karcher after years upon years of my father in law saying karcher was the best, my only worry was all the quick release parts i already owned for detailing cars these made the transition easy work as described dont leak and fit perfectly i even have a spare in one of my draws just in case.
A**R
Great
Perfect and exactly what I needed
D**S
Really simple to replace - you'll need a 27MM SPANNER - much better quality than the original
Bought this to replace the (rather cheap, all plastic) version that came with my Karcher K4 The old one was springing a leak out of the top when under pressure These replacements have a metal central build and feel much better (cost cutting on the standard version) It was really easy to replace: 7 screws (I think it was) to open the case of the Karcher, the entire pressure washer lifted out as a single unit It took me ages to find the correct spanner for it though - it's a 27MM SPANNER you'll need to remove and refit this connector Once I had the correct tool, it took seconds to swap out the old one and attach the new one Pressure washer all working fine again now A simple repair - even for a luddite like me
T**V
Genuine part
Exactly what I needed to replace for my K4 extension hose.
J**N
Karcher original equipment.
Works great, so glad this was available.
H**I
It's M22 compatible with karcher k2
It's M22 14mm Female Thread Connector High pressure quick-fitting pipe union A compatible and fit with karcher k2 (that's what i use) from kärcher original product with good price i bought two, one for backup because i dont trust plastic ,and because i bought new 30M High Pressure Washer Replacement Hose aftermarket with 2 male sides male sides quick connector to stop dancing with my washer machine around my SUV ,and i hope pressure will not decrease as hose length increases.
T**N
Produit d'origine, parfait
Raccord d'origine pour un tuyau de rallonge Kärcher, se monte facilement (serrage sans clé).
C**N
Cumple su propósito.
Esta conexión la compra para poder adaptarla a una pistola mtm hydro. Cabe mencionar que la pistola ya venía con. Las conexiones quick connect de su misma pistola.
A**R
Perfect!
I have a Karcher K7 pressure washer and wanted to move to using a stubby gun instead of the stock gun that’s supplied with all Karcher pressure washers. I’m very pleased to say this worked as intended; the hose from the pressure washer inserts into one end of this adapter and the other end of the adapter gets screwed on to the M22 compatible thread on the stubby gun; and it works very well.
Trustpilot
3 weeks ago
2 days ago