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Description

How the capacitor gives an initial burst of power to the pressure washer

The capacitor provides the motor with the necessary initial power boost to kick-start and operate smoothly. When you switch on the pressure washer, the capacitor releases the stored energy, delivering the essential electrical current that the engine needs to run effectively. 

What damages the capacitor?

The capacitor becomes worn out with continuous use and results in reduced capacitance or even failure. Voltage spikes, power surges, or electrical faults can also damage the capacitor. 

Exposure to excessive heat, moisture, or contaminants can lead to deterioration or corrosion of the internal components, affecting the capacitor's performance. 

Is it a genuine spare part?

This capacitor by Karcher is a genuine pressure washer replacement part. 

Manufacturers Part Number:

  • 9.085-086.0

Alternative Part Numbers:

  1. 90850860

EAN Number:

  • 4039784657458

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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)

2 Customer Review(s)

Capacitor

Great thank YOU GOOD delivery reasonable price will buy again

By Wayne - Stoke on trent
12th Apr 2021

Overall

Quality

Value

Ease of Fitting

Capacitor 35uf

Capacitor 35uf worked perfect in my Karcher hd6/13c.my machine is 240v,but the capacitor karcher use is a 400v-440v and the part I got from ramsdens was 400/50v worked perfect,Thanks

By Francis kelly - Bradford
28th Jun 2018

Overall

Quality

Value

Ease of Fitting

Questions And Answers

1 Answer(s)
Hi, have Karcher 3.550 but capacitor removed is 32 mf, 50/60 Hz, AC 400V. Is yours the right choice for me?
By Leon - Wales - 06/04/2020
Hi Leon, the 32uf Karcher capacitor is RS508356.
By Jordan - Staff Member
1 Answer(s)
Hi,i have a KARCHER PRESSURE WASHER k5.700 with starter capacitor WB 40350 MK SH, Can i replace with WCM 35UF ?? are the same size ? Thank you
By VASILE - Dinnington - 09/03/2021
Hi Vasile, please submit a part enquiry including the TYP number beginning 1. from the bottom of the pressure washer so we can look in to this for you.
By Jordan - Staff Member

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