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Description

The grooved ring ensures a leak proof pressure washer

The high-pressure output and pump head are connected by the grooved ring. It creates a secure and stable connection that prevents leaks when its grooves precisely line up with corresponding slots on the pump head and outlet.

This grooved ring guarantees a constant high-pressure flow while preventing water from escaping.

When do you replace it?

If the grooved ring becomes damaged, worn out, or shows signs of deterioration, replace it. The constant pressure and exposure to water and chemicals cause the grooved ring to degrade, leading to leaks or decreased performance. 

Regularly inspecting and replacing the grooved ring helps maintain the pressure washer and prevents water leakage issues.

Is it a genuine spare part?

This grooved ring by Karcher is a genuine pressure washer replacement part. 

Specification:

  • 11 x 20 x 4/6mm

Manufacturers Part Number:

  • 6.964-026.0

Alternative Part Numbers:

  1. 69640260

EAN Number:

  • 4002667311518

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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)

5 Customer Review(s)

Right product for job

Easy to order fast delivery good quality parts and service

By Dave Young - Birmingham
29th Jan 2021

Overall

Quality

Value

Ease of Fitting

Karcher 3.99

Pressure washer like new again. Excellent pressure.

By Bernard Hunt - Belper
10th Aug 2020

Overall

Quality

Value

Ease of Fitting

Good replacement product

Cured the leak with my Karcher B302. Some Guidance on which way up the seals should be placed.

By John Lamont - Antrim
18th May 2020

Overall

Quality

Value

Ease of Fitting

Met expectations

Easily identifiable component utilising the exploded view pictures for clarity, perfect item for the rebuild of reduced pressure output and constant pulsating, now rectified and running as good as new.

By NICK DEIGHTON - Glasgow
18th Oct 2018

Overall

Quality

Value

Ease of Fitting

Questions And Answers

1 Answer(s)
Are these sold individually, or as a pack of 3?
By Owen - Bournemouth - 28/09/2018
Hi Owen, I can confirm these are sold as singles.
By Sam - 28/09/2018
1 Answer(s)
Egy méretet kérhetnék?
By Katon - Magyarország - 02/02/2020
Hi Katon, this is 11 x 20 x 4/6 mm.
By Jordan - Staff Member
1 Answer(s)
Hi, Is this compatible with unit K2 T150 Home and Car (1.673-224.0) The pistons are 12mm diameter, the guidance seal is 20mm outside diameter and about 5mm thick to the top of the lip Thank you
By Peter - Hertfordshire - 13/04/2021
Hi Peter, the piston seal for your model is RS512928.
By Jordan - Staff Member

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