Karcher KB503 KB Pressure Washers Spares
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Get the replacement part you need for your Karcher KB Pressure Washers from the UK's largest supplier of appliance spare parts. Our range includes everything you need to save money with a do-it-yourself KB Pressure Washers repair as well as quality KB Pressure Washers care, cleaning and maintenance products.
In our Appliance Advice Centre you'll find helpful hints and tips to take the hassle out of Karcher KB Pressure Washers repairs as well as advice on fitting popular KB Pressure Washers spare parts and the latest appliance repair videos - which cover everything from 'how to repair a KB Pressure Washers' to 'fixing common KB Pressure Washers faults'.
Important Note: The model you have selected has more than one serial number which may mean that some parts are serial number specific and therefore may appear multiple times in these search results. If you have the serial number available then please select it from the list below to ensure you get the right part first time.
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Karcher KB503 (1.274-113.0) : 1 - 12 of 123
Karcher KB503 Grooved Ring - Seal
Genuine spare part
If the grooved ring seal in your pressure washer pump has snapped or worn out, help ensure optimum performance once again with this quality replacement.... More information
£2.50
Karcher KB503 Pressure Washer O-Ring Kit
Genuine spare part
For simple replacement of O-rings and safety plug on pressure washer accessories 16 x O-rings (across 5 sizes) 4 x Yellow rubber stoppers The O-Ring... More information
£17.16
Karcher KB503 Hose Connector
Genuine spare part
3/4" Your pressure washer increases the water pressure from a standard water spigot to over 1,000 PSI, so the water pressure can be used to remove... More information
£7.34
Karcher KB503 O-Ring Pressure Washer Seal (Pack 5)
Genuine spare part
Diameter: 12 (mm) This pack of five pressure washer o-ring seals are perfect if the existing gaskets on your pressure washer lance are worn out or... More information
£5.64
Karcher KB503 Oil Sealing : 12X20X4/6
Genuine spare part
Size : 12 X 20 X 4/6 If the oil sealing in your pressure washer pump has split or worn out, ensure smooth performance once again with this quality... More information
£5.07
Karcher KB503 Viscous Oil - 50ml
Genuine consumable
50 ml Capacity Ensure optimum performance from your pressure washer with this quality 50ml viscous oil. Please check model fit list to ensure this... More information
£10.18
Karcher KB503 Quick Release Clip (Clamp)
Genuine spare part
This quick release clip secures your high pressure hose to the trigger gun, so if it has snapped or been misplaced this is the perfect replacement.... More information
£2.50
Karcher KB503 Capacitor 25µF
Genuine spare part
Type: 25µF This capacitor is located in the electric box of your pressure washer. If it has become faulty, have no fear and take advantage of this... More information
£8.48
£2.50
Karcher KB503 K5-K7 Pressure Washer Wheel
Genuine spare part
Also Known As: Castor, Runner Diameter: 180 (mm) Colour: Black Cleaning around the exterior of your home can be time-consuming without the help of... More information
£10.18
Karcher KB503 K2-K7 Detergent Suction Hose - 1m
Genuine spare part
1m hose length Pressure Washers feature a powerful electric motor that is driven by a set of pistons that force water through a small nozzle, thus... More information
£5.64
Karcher KB503 Cylinder Head
Genuine spare part
Comes with piston seals If your Karcher pressure washer's trigger is pulsing and you are not getting full pressure, then you could have a faulty cylinder... More information
£34.89
