Pressure Washer Parts

Grooved Ring

$7.17

Fix Number: FIX9984415
Manufacturer Part Number: 6.365-394.0

This is a grooved ring, installed on the pump piston. It is sold individually and sourced right from the original manufacturer, ensuring the proper fit for your pressure washer. The function of this part is to be a seal to prevent the oil in the reservoir and the water in the pump from contaminating each other. The groove ring is known to wear over the use of your equipment and this can cause a decrease in pressure and water leakage.

O-ring Seal 15,6 X 1,78-nbr 70

$6.51

Fix Number: FIX9984358
Manufacturer Part Number: 6.362-634.0

This is an OEM O-ring, designed for pressure washers. This rubber O-ring is sold dividually and is part of the pump assembly. It fits in between the female hose connector and male adapter on the cylinder head. It measures approximately 15.6-mm by 1.78-mm. Like all O-rings, it is prone to deteriorate over time and will fail. It will become obvious that a replacement is necessary if water is leaking and impacting your pressure washer performance.

Oil Sealing 12x20x4/6

$6.55

Fix Number: FIX9984414
Manufacturer Part Number: 6.365-393.0

Genuine Karcher replacement part, this item is sold individually. The purpose of the Grooved Ring is to keep the oil in the pump and the water from mixing together. The piston does move through this part. This is a wear part, it will need to be replaced ASAP once it is worn.

SPRAY WAND

$13.45

Fix Number: FIX18783795
Manufacturer Part Number: 308494075

This is an OEM spray wand for a pressure washer, sold individually. The spray wand attaches to the trigger handle, and the nozzle attaches to the end of the spray wand. It has a fitting size of 1/4-inches. The most common reason for replacing the spray wand is when water is leaking from it. There are a few common causes of a leaky wand, including a damaged O-ring, where it attaches to the trigger handle, or a damaged O-ring or coupler where the nozzle is attached. There also may be a crack in the plastic housing. This is a simple replacement that does not requiring any tools.

Valve (3 St Ck)

$24.89

Fix Number: FIX9917474
Manufacturer Part Number: 2.884-916.0

This part is a Retrofit Valve that will work on the older models as well as the newer models. Older units have shorter valves than the new pumps but you can change the length of the stem to adjust for the older units.

Cover

$6.55

Fix Number: FIX17016287
Manufacturer Part Number: 5.064-457.0

This genuine Karcher replacement part is sourced directly from the original manufacturer and is designed for use with compatible pressure washers. The plastic cap attaches securely to the pump housing and serves as a cover for the oil fill spout, helping to protect the internal components from dirt and debris. Durable and easy to install, this cap is available as an individual replacement part and is ideal for maintaining the performance and longevity of your pressure washer.

Suction Valve Complete

$10.55

Fix Number: FIX9949583
Manufacturer Part Number: 4.580-330.0

This part includes one pump check valve for use with pressure washers. The pump check valve and the piston regulate the flow of water through the pump assembly. It is common for the part to wear out over time, so it should be part of your regular inspection check-list. If you use your pressure washer quite a bit, we recommend having one of these on hand in your tool box.

Fixes these symptoms

No or low pressure
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Detergent Suction Kit

$6.51

Fix Number: FIX9938134
Manufacturer Part Number: 308452002

This is an OEM detergent suction kit, also referred to as a chemical injection kit, for a pressure washer. This kit is threaded into the pump assembly and is connected to the chemical siphon tube that is located in a container that holds the cleaner. This kit includes, (1) bronze nozzle, (1) large O-ring, (1) small O-ring, (1) steel ball, (1) spring (5 components total). For this repair, use a pair of pliers to grasp the detergent supply tube and remove the tube from the chemical injector. Remove the old injector with a wrench. To prepare the kit, start by placing the O-rings on the bronzed nozzle, then the steel ball, then the spring. Apply lubricant on the large O-ring and then thread it back into the port.

Fixes these symptoms

Leaks water
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Valve Kit (includes 6 Valves)

$29.98

Fix Number: FIX9998176
Manufacturer Part Number: 70-0502

It is an authentic manufacturer-supplied check valves kit which is designed for use with Mi-T-M equipment. The valves are important components that attach to the pump head to help maintain safe working water pressure at the pump. Unfortunately, over time they may wear out or get damaged eventually requiring replacements. It is a high-quality kit which includes six valves and six O-rings. Make sure to refer to the appropriate diagrams and the owner's manual for your model to ensure the correct repair procedure. A wrench set will be needed to replace these components.

Fixes these symptoms

No or low pressure
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Filter Seal-hose Connector-

$6.51

Fix Number: FIX10020967
Manufacturer Part Number: 9.181-005.0

Genuine Karcher replacement part, this item is sold individually. The purpose of the 9.181-005.0 Filter Seal Hose Connector is to act as a seal to keep water from leaking out of the hose connection. It also will keep debris from entering the pump and causing it to fail.

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