Karcher
Karcher Pressure Washer O Ring Seal Kit2.640-729.0
Suitable for Karcher
Stock Code: 512628
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£13.15inc. VAT
£10.96 ex. VAT
In Stock
Next Day Delivery Available
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Compatibility Check
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Specifications
- Part Number
- 2.640-729.0
- Alternative Part Numbers
- 26407290
- EAN / Barcode
- 4039784051539
- Genuine Spare Part
- Yes
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More Details
What is an O-ring seal in pressure washers?
An O-ring seal in pressure washers is a type of rubber ring designed to create a watertight seal between two components where pipes, hoses, or fittings connect. It is called an O-ring due to its circular shape with a cross-section resembling the letter "O."
The O-ring seal acts as a barrier against water seepage and maintains the integrity of the pressure washer's connections.
Why do you replace them?
The rubber material of the O-ring can degrade or become worn with exposure to high pressure, temperature fluctuations, chemical exposure, or general wear and tear.
When O-rings become damaged, they lose their elasticity and fail to create a proper seal and this results in leaks or reduced pressure in the pressure washer system.
Is it a genuine spare part?
This O-ring seal kit by Karcher is a genuine pressure washer replacement part. Your pressure washer can work good-as-new in cleaning surfaces.
Includes:
- 16 x O rings, 5 different sizes
- 4 x yellow safety plugs
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Video
How to Replace a Karcher Pressure Washer O Ring Seal Kit (K3)
If you need to replace an O ring seal kit on a Karcher pressure washer, we've got the video for you.
The following DIY repair video should assist you in fitting this part. However, the exact procedure may differ depending on your make and model.
Appliance and Part Number:
- Pressure washer model used - Karcher K3
- Part number used - RS512628
Need to find a specific part of the video? Use the timestamps below...
- 0:14 - Tools needed
- 0:21 - Removing yellow plug from lance
- 0:31 - Removing O ring
- 0:36 - Installing new O ring
- 0:44 - Installing new yellow plug
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Customer Reviews (6)
5.06 reviews
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Complete set
I got this just in case the problem with my jamming lance was not the handgun. The problem was resolved by replacing the handgun but it seemed like a good idea to replace the O rings too. All good.
Kevin Brown · Chichester ·
Quality
Value
Ease of Fitting
Great find
I was concerned I would need to replace the entire jet hose on my Karcher K7. The O RING SEAL KIT was such a small ,simple, easy to fit part that solved the problem and there is a second one of the same size in the kit if needed.
Shae Chirdari · Saffron Walden ·
Quality
Value
Ease of Fitting
GOOD PART
easy to fit and sorted out the problem with the lance being tight on the new k4 full control
andrew sneddon · MIDLOTHIAN ·
Quality
Value
Ease of Fitting
Very usefull
Cured the leaking problems and also made product future proof
Christopher Duffy · Buntingford ·
Quality
Value
Ease of Fitting
Ideal kit to cover most replaceable seals
A little pricy for what it is but that’s the price for convenience of a kit I suppose that aside not all seals required for my model but ones that were required were a perfect fit helping in part to clear my pulsating and low output pressure, machine as good as new again
NICK DEIGHTON · Glasgow ·
Quality
Value
Ease of Fitting
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Questions & Answers (1)
My karcher k 3 is leaking water from the back of the machine where the lance hose joins
Andrea · Huddersfield ·
Hi Andrea, I'd recommend contacting an engineer to see if they can advise the part you require.
JordanStaff·