K440M (K 440 M 1.141-379.0) Karcher Pressure Washer - Overview

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 grooved ring seal is an authentic OEM replacement part used in pressure washers. It is a rubber seal with a diameter of 0.8 inches. The ring seal is found in the motor housing, where it helps to maintain the correct pressure preventing the water from leaking out of the pump housing. It also prevents water from entering the housing an...Read mored causing damage. Over time the seal may wear down, tear, or fall off leading to leakages and potential contamination. Inspect all the seals in your equipment as they tend to wear down at the same time and replace those that are no longer functioning well. Begin the repair by switching off the equipment. Remove the motor/pump housing and locate the faulty seal. Gently pry it off the cylinder head and discard it. Clean the mounting surface and press the new ring seal into the grooves until it is firmly in place. Reattach the housing to complete the repair. Each grooved ring seal is sold separately.

This authentic OEM sourced replacement part that is designed for use with Karcher pressure washers. The purpose of this switch is to control on/off function of the unit. Because switches use mechanical internals, over time they will begin to deteriorate and fail eventually requiring replacement. This durable plastic switch is sold individually.

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 is a genuine OEM sourced replacement part designed for use with Karcher pressure washers. It is made out of plastic and it is sold individually. This assembly includes a micro filter. • Remove the screws that hold the outer cover together and remove it • Remove the screws that hold the pump together • Separate the plastic pump...Read more from the metal housing • Remove old inlet elbow and replace it with a new one • Reassembly the tool

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 genuine manufacturer-approved part is specially designed for use with Karcher pressure washers. The spring helps to apply tension to the cage. It is an identical replacement for a missing or a faulty component that was installed on a new unit. Please make sure to refer to the appropriate diagrams of your model for the correct locatio...Read moren and application of this hardware. Keep in mind this high-quality spring is made of durable metal and is sold individually.