K520MDI-PLUS (K 520M DI-Plus 1.069-700.0) Karcher Pressure Washer - Overview

This OEM Grooved Ring is a 12 x 20 x 4/6 rubber ring which can be installed with a screwdriver and wrench set. Installation is rated as "Medium" difficulty. It attaches in the cylinder head and is used to keep the oil in the pump from mixing with the water. If broken it will leak and must be replaced.

Genuine Karcher replacement part, this item is sold individually. This part acts as a seal to keep the oil in the reservoir and the water in the pump form contaminating each other. It is installed on the piston.

This is a high-quality pressure spring that is made for use with Karcher pressure washers. It is an authentic item that is supplied from the original manufacturer. The spring applies tension on the piston that helps to create pressure inside the cylinder. Over time it may wear out, get damaged or lost eventually requiring a replacement to...Read more maintain your pump. Refer to the owners manual and the diagrams of your model for the correct installation. Note, this pressure spring is made of durable metal and is sold as an individual item. To perform this repair you will need a screwdriver and a wrench set. Remove the cover and the cylinder head to gain access to the pressure spring.

This is a manufacturer sourced replacement part designed for use with Karcher pressure washers. This ring provides an air-tight seal for the cylinder head. Over time this ring will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. It is made out of rubber and it is sold individually. Replacing this item you would need hex key/allen wrench and pliers to replace this item.

It is an OEM item which is made for Karcher pressure washers. This component provides an air-tight seal for the pump housing. Over time the material will wear out and it may begin to crack eventually requiring a replacement to prevent leaks. To ensure the correct installation of the new gasket, refer to the appropriate diagrams of your sp...Read moreecific model. Note, it is made of a durable material and is sold as an individual component. You will need a socket set to take the pump housing apart in order to perform this repair.

This is an authentic OEM part made by Karcher for use in pressure washers. The connection fits next to the filter and the cover on one side and the hose coupling on the other. It is made of plastic and will need replacing if it breaks. A screwdriver might be needed during the installation process. This part is available as an individual replacement.

O-rings are flexible circles which are used to prevent leaks and maintain pressure. This part is an authentic OEM replacement ring used in Karcher pressure washers. These O-rings are used at the connection point between the machine and its hose. This set includes five (5) identical O-rings. Please note that the wand itself uses a separat...Read moree set of O-rings, part # 2.640-729.0 O-Ring Seal Set. Multiple other sizes of O-ring are used in various other spots on these machines; see manual for part numbers and placements.

It is a genuine OEM approved seal which is supplied for use with Karcher pressure washers. This replacement part is used to create and air-tight seal for the rotary shaft, over time the material may begin to deteriorate and crack eventually requiring replacement to maintain peak performance. It is made of durable rubber and it is sold individually.

This replacement filter is supplied directly from the original equipment manufacturer for use with Karcher pressure washers. It helps to ensure the water that goes through the unit is free of dirt and other harmful contaminants. It can over time get clogged, damaged or lost eventually requiring a replacement. Keep in mind this high-qualit...Read morey filter is sold as an individual item. Refer to the owner's manual for your model to ensure the correct repair procedure.

This is a genuine item that is supplied by the original equipment manufacturer for use with Karcher pressure washers. This item is fitted with the pressure valve in the cylinder head, managing the fluid passage within the device. Over time components will wear out and may begin to fail eventually requiring replacements to ensure the equip...Read morement operates properly. A wrench and a screwdriver are helpful in the removal and replacement. Check the appropriate diagrams for your model for the correct application. One durable plastic plug with a rubber O-ring is included.

This is an authentic OEM part. The plastic, Karcher plug is compatible with many pressure washers. This item is fitted onto the pressure valve in the cylinder head, managing the fluid passage within the device. This part is sold individually. A wrench and a screwdriver are helpful in the removal and replacement.

This replacement soap diffuser hose is specially manufactured for use with Karcher pressure washers. It is the hose that the in-tank filter is attached to to deliver the soap needed for the unit. It is made from durable flexible rubber material and it is sold individually.