Karcher
Karcher Pressure Washer Excess Current Unloader4.580-663.3
Suitable for Karcher
Stock Code: 508703
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£42.15inc. VAT
£35.13 ex. VAT
In Stock
Next Day Delivery Available
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Compatibility Check
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Specifications
- Part Number
- 4.580-663.3
- Alternative Part Numbers
- 4.580-663.0, 45806630, 45806633
- EAN / Barcode
- 4039784234932
- Genuine Spare Part
- Yes
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More Details
This is a genuine replacement pressure washer excess current unloader.
Helps protect your pressure washer by relieving built-up pressure and easing the load on the motor—so it runs smoother and lasts longer. When you release the trigger, it safely redirects the water flow to prevent strain or overheating.
If your washer keeps cutting out, struggles to hold pressure, or gets too hot, this little part might be the culprit. Swap it out with this replacement to keep your machine working.
This excess current unloader for your pressure washer only fits models from Karcher.
Before ordering, please verify that this part is suitable for your model using our compatibility checker.
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Customer Reviews (6)
5.06 reviews
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Worked a treat
Good price , fitted perfectly & repaired my jet wash . All happy here
Lee · Durham ·
Quality
Value
Ease of Fitting
Key part
I’ve got a Kärcher 7.85 which cost me a new fuse every time I released the grip on the handle. Nothing to do with the capacitor but everything with the outworn excess current unloader. It’s a lot of work getting to it and prying it out but it’s all done now and the Kärcher works as if new! Thanks to great parts from ransomspares.
Jozef Wiewel · Cambridge ·
Quality
Value
Ease of Fitting
All genuine Karcher parts
Sticking spill valves, unloader valved are a common fault with the karcher aluminium pumps fitted to the older K and some HD 5 series machines. This type also contains the safety valve for this model K7.85 and opens if the pressure is to high to protect the motor. Pressurepoint UK
Andrew Sneddon · MIDLOTHIAN ·
Quality
Value
Ease of Fitting
Genuine Karcher part
Genuine Karcher part. Takes about a week for delivery.
Frank Kerr · Chester ·
Quality
Value
Ease of Fitting
Good product and a karcher genuine parts
this little unit controls pump motor,was going to scrap my pressure washer but purchased this unit and within 20 minutes washer was back in working order. Good price and speedy delivery
Mr Rui Mendes · Lisboa ·
Quality
Value
Ease of Fitting
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Questions & Answers (2)
I have a karcher k 7-85 , and i need a new presure current unloader, but i ame unable to remove the old one please can you give me some information? thanks
Josephus Nicolaas · Palma de mallorca ·
Hi, there is usually a pin in front of this holding it in the machine. I'd recommend checking Youtube for a video on how to replace this to get a better understanding of what would need to be done.
JordanStaff·
How do I remove old excess current switch ?.it's very tight doesn't want to move can I test this switch in situ?.
A.freeman · Fylde coast lancashire ·
Hi, You need to make sure you remove the retaining pin first, then you can usually pry the current unloader out with a screwdriver in behind the spring.
JordanStaff·