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Karcher K3.99M-PLUS MEX (1.423-246.0) 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 K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512655
£2.95
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 K3.99M-PLUS MEX (1.423-246.0)
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 K3.99M-PLUS MEX (1.423-246.0)
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 K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512674
£7.90
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 K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512628
£11.95
O-Ring Seal
Genuine Spare Part
O-ring seals create a watertight link between pressure washer parts Pressure washers use rubber rings in the shape of the letter "O" to seal the connections where pipes, hoses, or fittings...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS508226
£1.95
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 K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512816
£5.65
Grooved Ring
Genuine Spare Part
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 groov...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512877
£5.05
Pressure Spring
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512913
£1.95
High Pressure Cylinder Head
Genuine Spare Part
What does the cylinder head do for the pressure washer? The cylinder head in a pressure washer encloses the combustion chamber and the piston in the engine. It plays a vital role in the compression and co...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512120
£30.35
Piston Spring
Genuine Spare Part
Genuine piston spring that goes between the piston and the cylinder wall. Prevents high-pressure water leak during the compression and power strokes of the pump. Helps absorb and dampen the shock, r...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512958
£2.50
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 K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512188
£1.95
Screw Atf 4.1X22
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS822903
£1.95
O Ring Seal (Pack Of 5)
Genuine Spare Part
O-ring seals create a watertight link between pressure washer parts Pressure washers utilise O-ring seals to create watertight connections where pipes, hoses, or fittings intersect. The name of...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512103
£5.00
Outlet Connector Elbow
Genuine Spare Part
How does the outlet elbow connector work? This outlet elbow connector is designed to withstand extreme heat, water pressure, and other environmental stresses. It permits pressurised water to flow from the...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS513020
£7.45
Control Head Housing
Genuine Spare Part
If your Karcher control head is damaged and leaking or spraying water everywhere, your pressure washer’s performance will not be strong. This spare will do the trick in terms of fixing the problem. ...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS513074
£32.00
Supporting Disk
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512119
£2.45
High Pressure Hose & Gun 12M
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512165
£62.75
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 K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512114
£10.45
Red O-Ring Seal
Genuine Spare Part
O-ring seals create a watertight link between pressure washer parts Pressure washers use O-ring seals to create a tight, watertight connection between different parts. These rubber rings are shaped ...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512931
£2.45
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 K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512845
£4.95
Our Part Number: RS512955
£1.95
Suction Connection Elbow
Genuine Spare Part
How does the suction connection elbow work? When the pressure washer is turned on, the pump creates a low-pressure area in the water inlet. The suction connection elbow uses this pressure difference to dr...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS508326
£5.65
Joint Ring Capacitor
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512282
£2.35
Screw M 8X55 Class 8.8
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512962
£1.95
Water Inlet Elbow Pipe
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS513075
£15.25
Moulded Part Spring Kit
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512115
£9.15
Our Part Number: RS512116
£10.45
O Ring Seal
Genuine Spare Part
Your O ring seal creates a watertight seal between pressure washer parts Pressure washers use rubber rings in the shape of the letter "O" that seal off connections between pipes, hoses, or...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512969
£2.45
Outlet Sleeve Pipe
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512117
£4.25
O Ring Seal
Genuine Spare Part
O-ring seals create a watertight link between pressure washer parts Pressure washers have O-ring seals for watertight connections where pipes, hoses, or fittings intersect. Named for their circular ...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512960
£2.45
O Ring Seal Gasket
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512283
£2.45
Accessories Clip Holder
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512519
£6.15
Control Head Housing
Genuine Spare Part
Has your Karcher pressure washer started to leak? The problem could be a cracked pressure head, but there is no need to worry as we have the replacement part. Replace the control head and you will have a worki...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512264
£33.60
Non Return Valve Cage Complete
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512956
£6.85
O-Ring Seal
Genuine Spare Part
O-ring seals create a watertight link between pressure washer parts Pressure washers have O-ring seals for watertight connections where pipes, hoses, or fittings intersect. Named for their circular ...
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS508325
£2.39
Suction Connection Inlet Elbow
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512267
£9.45
Injector Complete
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512954
£4.80
Joining Piece
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512957
£7.60
Our Part Number: RS511860
£4.55
Screw M 5X 20-St-R2r
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS513080
£2.65
Our Part Number: RS512967
£2.35
Syphon Tube Filter With Weight
Genuine Spare Part
Suitable for select models of Karcher K3.99M-PLUS MEX (1.423-246.0)
Our Part Number: RS512846
£8.40
Our Part Number: RS513004
£6.40
Our Part Number: RS509622
£7.60