Karcher K3.99M Pressure Washer Spares
If you require a replacement seal, clamp or hose for your Karcher appliance we are sure to have something for your needs.
If you are unsure of your Karcher appliance's model number, take a look at our handy guide on where to find the model number for your appliance here.
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.
Select your Serial Number:
Karcher K3.99M (1.423-230.0) : 13 - 24 of 159
Karcher K3.99M 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
$13.23
Karcher K3.99M 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
$11.02
Karcher K3.99M K2-K7 T-Racer Replacement Nozzle Kit
Genuine spare part
Easily installed nozzles for T100 "T-Racer" and T-300 "T-Racer" 2x Grey nozzles 2x Black elbows 2x Yellow nozzles 2x Stainless steel u-clips PLEASE... More information
$23.75
$3.25
Karcher K3.99M K2-K3 DB 120 Dirt Blaster Lance
Genuine spare part
Powerful rotary nozzle for removing stubborn dirt, e.g. moss-covered or weathered surfaces Bayonet connection Pencil jet for precise cleaning Dimensions... More information
$66.98
Karcher K3.99M K2-K7 Drain Pipe Cleaning Hose - 15m
Genuine spare part
Length: 15m Perfect for clearing blockages in pipes, drains, downpipes and toilets 4 Rear-pointing high-pressure jets Consecutive marks and marker... More information
$146.24
Karcher K3.99M Connection Suction Side
Genuine spare part
Colour: Black If the connection suction side on your pressure washer is damaged, you may experience some internal leaks. With the help of this genuine... More information
$8.81
Karcher K3.99M 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
$7.33
Karcher K3.99M 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
$45.36
Karcher K3.99M O-Ring Gasket
Genuine spare part
If the gasket on the hand trigger gun for your pressure washer has split or worn out causing a drop of pressure, then use this genuine O-Ring Seal... More information
$3.25
Karcher K3.99M O Ring
Genuine spare part
Diameter: Inner 19-20 Outer (mm) Dimensions : 10 x 2 NBR 70 If the o-ring that fits at the end of the high pressure outlet on your pressure washer... More information
$3.25
Karcher K3.99M Push Button Switch : 4Tag (SQ)
Genuine spare part
16 Amps 3/4HF If your Karcher pressure washer is no longer powering up, you may have a fault with the switch. This switch is located in the electrical... More information
$8.07
