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Karcher K4 COMPACT CH (1.637-316.0) Pressure Washer Spares & Parts
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Grooved Ring
Genuine Spare Part
How a grooved ring works on a pressure washer The high-pressure outlet and pump head are sealed together by the grooved ring. The grooves on it fit into slots on the pump head and outlet to create a secur...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512655
£2.95
22Mm Manifold & Pressure Piston
Genuine Spare Part
What does the pressure piston do for the pressure washer? The pressure piston works by reciprocating back and forth inside the cylinder, creating pressure that forces water through the nozzle. As the pist...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS823259
£24.95
Cylindrical Head Pump Set
Genuine Spare Part
What does the head pump do for the pressure washer? When the pressure washer is powered on, the head pump uses an internal mechanism to create a high-pressure stream of water. It effectively removes dirt,...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS823374
£17.45
Metal Fork
Genuine Spare Part
What does the metal fork do in pressure washers? The metal fork connects the spray gun to the nozzle or lance extension and allows control of the flow and direction of the pressurised water. It acts as a ...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512897
£1.95
Form Seal
Genuine Spare Part
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...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512894
£2.45
Viscous Oil Grease 50Ml
Genuine Spare Part
How do you use viscous oil grease on a pressure washer? Viscous oil grease lubricates and protects pressure washer components like the pump seals and pistons, to ensure smooth operation and extend their l...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512674
£7.90
O Ring Seal Gasket
Genuine Spare Part
O-ring seal to create a watertight seal between pressure washer parts When pipes, hoses, or fittings in pressure washers cross, a rubber ring shaped like the letter "O" creates a watertigh...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS511713
£2.85
Seal 10 X 2,8
Genuine Spare Part
An O-ring seal between pressure washer components forms a watertight seal Pressure washers use rubber rings in the shape of the letter "O" that seal off connections between pipes, hoses, o...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS823123
£1.95
O Ring Seal Kit
Genuine Spare Part
What is an O-ring seal in pressure washers? An O-ring seal in pressure washers is a type of rubber ring designed to create a watertight seal between two components where pipes, hoses, or fittings connect....
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
- 1 WB 100 washing brush (2.643-236.0) Ref 1
- 2 Dirt blaster 031 St - CEM 14,5MPa (4.764-281.0) Ref 1
- 43 Vario-Power Jet pipe Ref 1
- 44 Dirt blaster Ref 1
- 45 Washing brush Ref 1
- 46 Brush Best Ref 2
- 1 Adapter complete Ref 3
- 1 Single-step jet pipe extension (2.643-240.0) Ref 3
- 48 Surface cleaner Ref 5
- Short spare parts list Ref 5
- 47 Foam lance Ref 5
- 42 H 9 Q high pressure hose Quick Connect (2.641-721.0) Ref 999
- 43 VP 145 Vario Power Jet (packaged) (2.642-725.0) Ref 9500
- 44 DB 145 Dirt Blaster (packaged) (2.642-728.0) Ref 9500
Our Part Number: RS512628
£11.95
Water Hose Pipe Connector
Genuine Spare Part
What is the function of a hose connector? A pressure washer's hose connector's job is to create a safe and watertight connection between the high-pressure hose and any additional attachments, like...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512816
£5.65
Strip Brush
Genuine Spare Part
What does the strip brush do for the pressure washer? The strip brush helps remove dirt, debris, and grime from surfaces. When attached to the pressure washer lance or wand, it has bristles or filaments a...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508288
£9.05
Spray Handgun
Genuine Spare Part
What is a water handgun trigger used for? The flow of water in a water gun or water pistol is controlled by a trigger. A stream of water is released when the trigger is pulled for cleaning tasks or water ...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508155
£34.95
Screw Atf 4.1X22
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS822903
£1.95
O Ring Seal Gasket
Genuine Spare Part
An O-ring seal between pressure washer components forms a watertight seal Pressure washers use rubber rings in the shape of the letter "O" that seal off connections between pipes, hoses, o...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512188
£1.95
Pressure Spring
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512913
£1.95
Capacitor 25Mf
Genuine Spare Part
Your capacitor boosts your pressure washer’s power. The motor gets the first power boost it needs from the capacitor to start up and run properly. When you turn on the pressure washer, the capacitor...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508209
£11.55
Replacement Nozzle Set For Patio Cleaners
Genuine Spare Part
What is a nozzle set used for in pressure washers? A nozzle set in pressure washers is a collection of interchangeable nozzles that determine the spray pattern and intensity of the water jet. D...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508147
£15.85
Cylinder Head Unit
Genuine Spare Part
Are you having trouble with a faulty cylinder head? Get your pressure washer working again at full power with this spare part, which is compatible with Karcher pressure washers. For a quick and easy solut...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512273
£25.85
Capacitor 32Uf
Genuine Spare Part
How does a pressure washer capacitor work? The capacitor helps in providing the motor with the first surge of power it needs to start and run efficiently. The capacitor releases the energy it has been hol...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508356
£14.95
Detergent Fitting Assembly
Genuine Spare Part
If you’re having problems with your Karcher pressure washer, it could be the detergent fitting assembly at fault. Great quality from Karcher, this genuine replacement detergent fitting works with a ...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512114
£10.45
Detergent Suction Pipe Hose
Genuine Spare Part
Boost Your Cleaning Power with the Karcher Pressure Washer Detergent Suction Pipe Hose spare part Over time, the suction pipe hose can become worn, damaged, or clogged due to frequent use and exposure to ...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512845
£4.95
Power Cable Wire & Plug
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512280
£25.20
Grooved Ring
Genuine Spare Part
How does a grooved ring work on a Karcher pressure washer? The grooved ring helps to create a seal between the pump head and the high-pressure outlet connection. It has grooves that interlock with corresp...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512328
£1.95
Set Of Gaskets & Bolt
Genuine Spare Part
What are there gaskets and bolts in pressure washers for? Gaskets and bolts are present in pressure washers to ensure proper sealing and structural integrity. Gaskets create a tight seal between the pump ...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512940
£14.15
Joint Ring Capacitor
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512282
£2.35
Motor Covering Cap
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS513072
£39.75
Screw M 8X55 Class 8.8
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512962
£1.95
Our Part Number: RS512955
£1.95
Extra Long High Pressure Hose Quick Connect 9M
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512178
£56.25
Capacitor 35Uf
Genuine Spare Part
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 ...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS511801
£12.75
Moulded Part Spring Kit
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512115
£9.15
Our Part Number: RS512116
£10.45
Capacitor 30Uf
Genuine Spare Part
Your pressure washer’s power starts at the capacitor. The capacitor helps in giving the motor the initial burst of power it requires to start and function well. When the pressure washer ...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508357
£8.55
Our Part Number: RS513052
£3.15
O-Ring Seal 60 X 2 Nbr 70
Genuine Spare Part
O-ring seals create a watertight link between pressure washer parts Pressure washers use O-ring seals to prevent water seepage and secure connections at joints where pipes, hoses, or fittings inters...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508348
£1.95
Pressure Piston Hr
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS823389
£17.00
Spray Lance Extension
Genuine Spare Part
What is a spray lance extension used for? A spray lance extension extends the reach of the spray nozzle. It is a long, rigid tube that attaches to the existing spray lance to clean areas that are difficul...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508157
£18.60
Vario Power Nozzle Lance
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508439
£38.55
22Mm Pump Head Conversion Kit
Genuine Spare Part
How does a pump head conversion kit on a Karcher pressure washer work? The pump head operates using a reciprocating piston system. When the pressure washer is turned on, a motor drives a crankshaft that m...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS823258
£33.20
Our Part Number: RS508404
£1.95
Venturi Nozzle Injector D.1.45
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS823156
£12.70
Dirt Blaster Rotary Nozzle
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS823287
£48.45
High Pressure Quick Fitting Pipe Union
Genuine Spare Part
How does a pipe union work on a Karcher pressure washer? A pipe union on a Karcher pressure washer serves as a connection point between different sections of the water supply system. It’s made of tw...
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS508300
£6.45
Non Return Valve Cage Complete
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512956
£6.85
Syphon Tube Filter With Weight
Genuine Spare Part
Suitable for select models of Karcher K4 COMPACT CH (1.637-316.0)
Our Part Number: RS512846
£8.40