K27 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.

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.

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.

This is a genuine item that is specially designed for use with Karcher pressure washers. It is supplied by the original equipment manufacturer. The oil helps to lubricate internal components of the pump to ensure it runs properly. Check the oil level regularly. Oil level should always be between the "FULL" and "ADD" level marks on the dip...Read morestick. Be sure the machine is level when checking the oil level. This will prevent them from wearing out. Refer to the owners manual of your model for the correct application of this oil. This synthetic 15W40 oil is sold in a single 1-liter container.

This is a genuine OEM supplied part which is specially designed for use with Karcher pressure washers. The filter helps to remove dust and other contaminants from the water that goes through the pump. Over time it may wear out, get damaged or lost eventually requiring a replacement. To ensure the correct application, refer to the owners m...Read moreanual for your model. Keep in mind this high-quality filter is sold as an individual item.

This is an authentic Karcher replacement part manufactured for use with pressure washers. The special bush is used with the valve in the gun assembly. This bush is sold as an individual replacement part, please see model diagram for associative parts.

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.

This manufacturer sourced replacement part designed for use with Karcher pressure washers. It is the essential part of the unit allowing to direct and control the spray. Please note the wand is sold separately. This pistol assembly is made out of plastic and it is sold individually.

This is an original Karcher replacement part. The gasket is designed by the manufacturer for use in pressure washers. This part is made of flexible rubber, and is generally used to seal the connection between components. It may be found in various locations in the machine. Please refer to the parts diagram to be sure of ordering the correct part. This product is sold individually.

This is a genuine Karcher replacement part sourced directly from the manufacturer. The pressure spring is commonly found in Karcher pressure washers. This is a metal part used in the pistol nozzle to maintain tension between the parts, allowing adjustment of the pressure. No tools are required to replace this item. Simply remove the old part and slip the new one into its place. This item is sold individually.