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Description

How does a pressure washer form seal work?

The form seal is designed to fit into specific grooves or mating surfaces within the pressure washer. It acts as a barrier, preventing water or other fluids from leaking out between the connected parts. 

When the pressure washer is in operation, water is pumped at high pressure through the system, and the form seal helps to maintain a tight seal, ensuring that the water flows only where it is intended.

What damages the pressure washer’s form seal?

Constant exposure to water, pressure, and usage can cause wear and tear, resulting in the seal becoming worn, cracked, or degraded. Chemical exposure from corrosive or harsh substances used in the pressure washer can also compromise the integrity of the form seal. 

Improper installation or assembly of the seal can subject it to excessive stress, leading to damage or failure.

Is it a genuine spare part?

This form seal by Karcher is a genuine pressure washer replacement part. Your pressure washer can work good-as-new in cleaning surfaces. 

Manufacturers Part Number:

  • 9.081-422.0

Alternative Part Numbers:

  1. 90814220

EAN Number:

  • 4002667791600

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Safety note:

Warning: Always unplug any appliance from the electricity supply before carrying out any work or testing on it.

Latest Product Review(s)

Read All Reviews
12 Customer Review(s)

Better quality than original

I bought this after wrecking the original seal when replacing to control head, recently also bought from Ransoms. This seal seems to be made of a different material than the original rubber seal and seems more robust. My Karcher washer lasted 15 years before springing leaks so hopefully I won't need to get another seal until 2035!

By Calvin Winwood - Radstock
14th Jun 2023

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Very easy to fit

No problem with fitting this. Simple and easy to put on.

By M Hockley - Maidenhead
4th Nov 2020

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Easy to fit

As excepted and good price, very easy to find the part on the website and very helpful customer service

By Jason Kennedy - Newtownards
1st Jun 2020

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Does the job

No problem fitting the seal and it seams a little better than the original.

By Bob Furness - York
28th May 2020

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Karcher spares

Received the seal from Ransom Spares, looked exactly like the one I took off, fits perfect and did the job well, will buy from Ransom spares again in the future.

By Brian Mcleary - Winchburgh
11th May 2020

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Original Product

The washer form seal was the exact part I required. Once installed, the pressure washer was like new !

By Sukh Punn - Hounslow
13th Apr 2020

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Quality item

Quality item, easy to fit Would use these guys again

By Paul Bridge - Halifax
10th Jul 2018

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Best around

Old seal got mashed up and i thought i would try a repair. Found this website and the part was easy to navigate to find. Quality product and the cheapest around.

By Mark Patton - Strabane
23rd Apr 2018

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Seal

As described in the parts diagram, quickly delivered and fitted no problems

By Stephen Dawson - Beverley
6th Oct 2017

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Seals

Fast service. Good Price. Part easy to fit. Thank you.

By ronald parry - penmaenmawr
16th Mar 2017

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