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Kärcher OC 4 low-pressure cleaner

143.99 
RRP 169 
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Delivery method on Friday 05.06.2026
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Kärcher OC 4 low-pressure cleaner

Compact and portable: The OC 4 is the Kärcher cordless handheld pressure cleaner, ideal for anyone who needs a cleaning solution on the go.

Main advantages of the OC4 cleaner:
  • Battery life of up to 22 minutes compared to the OC3 (15 min)
  • Sophisticated folding option where the device can be stored in an empty water tank together with the hose and
  • pistol when folded is only 17 cm
  • Possibility of transporting a full water tank without the risk of spilling
  • Water tank capacity: 8 l
  • Enough for approx. 6-7 canisters (8 litres)
  • Flexible 2.8 m hose
  • USB-C charging
Product features
Cleans gently and saves water at the same time - dirt is removed very effectively - thanks to the efficient nozzle technology
Ideal choice for protecting delicate bicycle components such as bearings, seals, or hubs
No complicated setup required - simply fill with water, and it's ready to use
Product details
Flow max. 2 l/min
Battery type Lithium-ion battery
Battery life max. 22 minutes
Battery charging time 3.5 hours
Colour grey
Weight 4.3 kg
Dimensions (L x W x H) 296 x 291 x 240 mm
Package contents Water suction
Water tank capacity: 8 l
Hose length: 2.8 m
Hose type: Low pressure spiral hose
Integrated water filter
Pressure trigger gun: Low pressure trigger gun
Machine filter
product ID 339223
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Variant Kärcher OC 4 nízkotlakový čistič

If you live in an apartment building, this is a must-have item. In fact, one container wasn't enough in my case, so I had to refill it with water again, but to my credit, I only cleaned the bike when the mud was completely dry. Another thing, I tried it the first time and I misjudged the capacity and wasted a lot because I cleaned in the dark ? I think that one filling can be done with a brush and careful use of water. Especially when the mud is still fresh somewhere in the field, at least for the first rinse, at least from coarse dirt, maybe even 2 bikes. Below is a before and after photo (I also used muc off nano cleaning agent and a soft brush to clean).

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Variant Kärcher OC 4 nízkotlakový čistič

Like everyone else, I'll just say that I should have had this sooner. I used to consider the OC3 foldable, but after the arrival of the new OC4, I didn't hesitate. It's extremely handy, easy to use (like everything from Karcher). Plus, it's super compact.

From use:
- the "regular version" is perfectly fine. Especially when it comes to the nozzle, I feel absolutely no need for another one (the adventure or bikebox version has a different nozzle). I already had the brushes and cleaning accessories.
- the water tank was enough for almost 3 normally dirty dishes. I had to refill the tank for the final rinse of the third one. I managed 2 completely.
- super compact.

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

The best thing for cleaning a fairy tale. The new generation can be folded into itself and thus saves space. Finally, the lid of the water tank is fully closed and thus there is no problem transporting the liquid, for example in a car. The adjustable nozzle which offers 4 adjustment options is pleasantly pleasing. I had the OC3 before this, when I compare it, it is definitely worth paying extra for the OC4.

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Variant Kärcher OC 4 nízkotlakový čistič

I hesitated for a long time, but I don't regret it. Great workmanship, can be folded into a water container, making it perfectly storable.
The 8L water tank is enough to wash the entire bike, even from mud. The pressure that the wapka has is sufficient and at the same time gentle. It does not wash away the lubrication from the bearings at all, so every single part of the bike can be washed beautifully with it.

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

An excellent helper, especially for us "apartment dwellers"
I fill the Kärcher bucket with water, take the bike and go outside to wash it. Just the 8 liters of water are enough for me to wash one bike. If 10 liters could fit in, it would be just right. But after connecting the special hose that is part of the OC4+, it can suck extra water from the bucket.

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Variant Kärcher OC 4 nízkotlakový čistič

The dishwasher was intended as a Christmas present. I haven't tried it yet, but it looks very good and very compact. I'm looking forward to using it and then updating the review.

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Variant Kärcher OC 4 nízkotlakový čistič

Well thought out construction, great for carrying. The tank is only enough to wash one more dirty bike. The battery lasts a long time, but the water disappears quickly. The pressure is too weak for a car, it can't even wash the windows, but it's not designed for that.

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Variant Kärcher OC 4 nízkotlakový čistič

I live in an apartment building and the oc4 is the bomb. After every wash I pour water in there so I have it ready for next time, after the ride I rinse the bike until the mud is fresh and I put it in clean, 150e is enough and I speculated whether to buy it but I don't regret a cent

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Variant Kärcher OC 4 nízkotlakový čistič

Perfect, compact cleaner. I was surprised by the decent water pressure. I use it to wash my bike at the apartment building and at the house. The garden hose got a trash can. I also take it with me to work for weekends and with my bike. I highly recommend it.

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Variant Kärcher OC 4 nízkotlakový čistič

I have nothing to complain about, everything met my expectations, after filling with water, enough time to wash, sufficient pressure, gentle on the bike, as for the battery, I am also satisfied, it lasts for a few fillings.
I can only recommend it.

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Variant Kärcher OC 4 nízkotlakový čistič

Excellent tool, one tank is enough to clean the drive and frame on the road. I was originally considering buying the OC 3, but I was convinced by the declared longer battery life. The maneuverability is also good. I definitely recommend the purchase.

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Variant Kärcher OC 4 nízkotlakový čistič

SK vyborna vec hlavne pre bytovkarov, oproti rucnym tlakovym cisticom iny vesmir - jednoduche pohodlne ovladanie, bezpecny prevoz plnej nadrzky, tlak dostatocny a zaroven nie silny ...

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

Absolutely brilliant, in my opinion a must have for people who live in an apartment and want to take care of their bike and other things. High quality and design, the battery lasts an incredibly long time.

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Variant Kärcher OC 4 nízkotlakový čistič

SK Male, skladne. Na umytie po jazde idealne. 8 litrov vody nemusi pri vacsom znecisteni stacit, treba ratat s dalsim zdrojom vody na doplnenie. Inak velmi prakticky pomocnik.

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

SK Dobrá evolúcia pedchodcu Kärcher OC 3. Väčšia batéria, podstatne lepšia manipulácia s nádržou na vodu a pod. Stále používam aj OC 3, ale verzia 4 je podstatné zlepšenie.

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

For cleaning your bike, ideal - charge it, fill it with water, put it in the car. After cycling, wash the bike, put it in the trunk - done. At home, just lubricate the bike and relax.

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

We carry it everywhere, it's a really practical thing. It has good battery life and it even works when grilling You have to be careful with the locking systems on the tank because they break quickly.

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Variant Kärcher OC 4 nízkotlakový čistič

This is a game changer for apartment dwellers. I have it in my basement, so whenever I need to go outside I can conveniently clean my bike or other things.

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Variant Kärcher OC 4 nízkotlakový čistič

An excellent cleaner, especially during the winter, one tank is enough to clean the entire bike, and it takes up little space when folded.

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Variant Kärcher OC 4 nízkotlakový čistič

I wish I had bought this sooner! I had a classic water pressure cooker, but that's medieval compared to this wapka.

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Product questions
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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

Hello, I have a question - the classic washing nozzle in the picture, spherical in shape - is it some kind of atypical or has it replaced the regular "trigger" nozzle that was on the OC 3 (it was black and yellow there). Or is it a point nozzle that can be removed / attached? I want it to be able to make a kind of "rain" and not just a narrow, straight stream of water.

Accordingly, the description says "Pistol with pressure trigger: Low-pressure pistol with trigger" - does that mean there are two, or one pistol and two attachments?

Thanks

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Variant Kärcher OC 4 nízkotlakový čistič

I bought the product some time ago, but when I wash something, it doesn't always give me the same pressure. I cleaned the screen, the nozzles, everything I could (and it was clean) and the situation didn't improve. Can you advise me what to do about it?

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CS Jestli ti kolísá tlak tak bych to reklamoval

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SK môj už bol kvôli podobnému problému na reklamačke, len hučal, triasol sa ale nestriekal, sem tam len cvrkol

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SK Dobrý deň prajem, mrzia nás Vaše problémy s týmto produktom
Veru, pokiaľ nepomohlo kompletné vyčistenie a opätovné zostavenie, tak určite odporúčame reklamáciu produktu - https://www.mtbiker.sk/shop/informacie/vsetko-o-nakupe.html#vratenie-a-reklamacie.

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

I want to ask, in the picture of the adventure there is a different nozzle than in the basic package. How do the two nozzles differ please? The other extra things are probably a suction hose, brushes....thanks for the clarification so I can buy what I need.

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CS Zdravím,
jo, máš pravdu – u verze Adventure je jiná tryska. Hlavní rozdíl je v tom, že otáčením hlavice si můžeš měnit směr proudu vody, takže se s ní dá líp cílit.
Jediné mínus je, že se nevejde do spodní části čističe, takže ji musíš nosit zvlášť, a bez ní čistič bohužel nejde použít.

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CS Dobrý den, na obrázku je čištič s nasazenou multifunkční tryskou (viz https://www.karcher.cz/cz/prislusenstvi/multifunkcni-tryska-4-v-1-26444990.html), která je součástí adventure kitu a umožňuje otáčením volbu 4 druhů proudů. Akorát pozor - součástá adventure kitu není naopak základní "žlutá" tryska, vždy je tedy potřeba používat tuto multifunkční (nebo dokoupit nějakou jinou další).

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Variant Kärcher OC 4 nízkotlakový čistič

It's not clear from the picture.
- charging is from usbA to usbC voltage/current
- can be powered from a car cigarette lighter via USBC 100w (20v 5a) when the battery is dead

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SK Nabijanie C-C,neda sa pouzivat pri nabijani z autobaterie

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

Hello, is the "classic yellow" nozzle included in the Kärcher OC 4 + Adventure kit or just the multifunctional one?

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SK V mojom adventure bola len ta multi

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SK Dnes som to kúpil s adventure kitom a tiež tam nie je tá žltá tryska. Som si myslel, že ju tam zabudli dať, ale ako vidím, aj iní ju tam nemajú (?).
A ani som ju nenašiel ako samostatný náhradný diel ... skúste niekto pohľadať, možno môj google ju nemá rád

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SK Ja som nakoniec objednal z Ciny zltu trysku (pasuje perfektne, vyzera ako keby bol original), kedze ta multifunkcna zabera vela miesta pri prenasani a vo vacsine pripadov aj tak nepotrebujem silnejsi tlak.

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Variant Kärcher OC 4 nízkotlakový čistič

Hello.
Is the pressure sufficient to wash (dried) bird droppings from a car?

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SK Tlak je dostatočný, záleží ale od "kôpky" a jej uschnutosti aby bolo dostatok vody na jej rozmočenie a odstránenie.

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SK Neodporucam na auto. Je to vhodne tak na bike,motorku, a veci okolo domu napr externe zaluzie atd

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Variant Kärcher OC 4 nízkotlakový čistič

Will there be a "bike kit" version? That would fit the MTbiker the best

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SK Ahoj,

aktualne u nas z tychto bajkovo specifickych kitov jedine este OC3jka - https://www.mtbiker.sk/shop/servis/cyklokozmetika-a-cistiace-nastroje/tlakove-cistice/karcher-oc-3-bike-box-nizkotlakovy-mobilny-cistic-p247033.html?preview.
Karcher sa vsak postupne bude doskladnovat urcite aj pocas sezony

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Variant Kärcher OC 4 nízkotlakový čistič

Good day, which foam nozzle is compatible with OC 4?

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Variant Kärcher OC 4 + Adventure nízkotlakový čistič

Hello, will the KIT be available separately?

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SK Dobry den,

preverujem!

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SK Dobry den prajem,

adventure kit by sme vedeli objednat, doporucena MOC je 55€ - prosim len o pripadne potvrdenie zaujmu a produkt objedname, dodanie je cca. do 10 dni.

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SK Zdravíčko ďakujem za info,
zle som polozil otázku skôr som mal záujem o tú multi trysku
v podstate ja mam ten bike box ku oc 3. a mam dokupenu hadicu aj adapter. a medzicasom som si dokupil aj trisky

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Kärcher is a well-known German brand specialising in cleaning equipment. The company was founded in 1935 by Alfred Kärcher and is based in Winnenden, Germany. Kärcher is known for its pressure washers, industrial and commercial cleaning equipment, vacuum cleaners, floor care machines and various other cleaning solutions and products. Kärcher products are known for their quality, durability and performance.

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