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Karcher
Gas Pressure Washer

Model # K4400G Official Karcher 2000-psi high-pressure washer

Here are the diagrams and repair parts for Official Karcher K4400G 2000-psi high-pressure washer, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 137 parts  |
Pressure Washer Thermal Release Valve 4.580-360.0
Pressure washer thermal release valve

Part #4.580-360.0

The manufacturer no longer makes this part, and there's no substitute part

Pressure Washer Check Valve 4.580-330.0
Pressure washer check valve

Part #4.580-330.0

The manufacturer no longer makes this part, and there's no substitute part

Cap Of A Tank 6.491-331.0
#3

Motor/carburetor/starter diagram

Cap of a tank

Part #6.491-331.0

The manufacturer no longer makes this part, and there's no substitute part

Motor (-1.133-208.1) 9.194-043.0
#0B

Motor/carburetor/starter diagram

Motor (-1.133-208.1)

Part #9.194-043.0

The manufacturer no longer makes this part, and there's no substitute part

Handle 5.321-445.0
#12

Nozzle/jet pipe/handle diagram

Handle

Part #5.321-445.0

The manufacturer no longer makes this part, and there's no substitute part

Oil Dip Rod 9.194-867.0
#2

Motor/carburetor/starter diagram

Oil dip rod

Part #9.194-867.0

The manufacturer no longer makes this part, and there's no substitute part

Air Filter Element 6.491-338.0
#12

Motor/carburetor/starter diagram

Air filter element

Part #6.491-338.0

The manufacturer no longer makes this part, and there's no substitute part

Stark Plug Connector 6.970-104.0
#9

Motor/carburetor/starter diagram

Stark plug connector

Part #6.970-104.0

The manufacturer no longer makes this part, and there's no substitute part

Cap (2) 9.189-351.0
#13

Housing diagram

Cap (2)

Part #9.189-351.0

The manufacturer no longer makes this part, and there's no substitute part

Protective Grid 9.194-453.0
#7

Motor/carburetor/starter diagram

Protective grid

Part #9.194-453.0

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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Why won't my pressure washer mix in the detergent?

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

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Why is smoke coming from the pressure washer's exhaust?

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

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Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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Why does my pressure washer's engine lose power?

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

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Why is the spray from my pressure washer weak?

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

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Why doesn't my pressure washer recoil starter work?

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

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Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

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Why won't my pressure washer engine start?

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

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Why does water spray out of my pressure washer's pressure relief valve?

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

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Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

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How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

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Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

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Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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