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Generac 9585-4 pressure washer Parts

Here are the diagrams and repair parts for Generac 9585-4 pressure washer, as well as links to manuals and error code tables, if available.

Generac 9585-4 pressure washer
By Schematic
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Browse Parts for 9585-4 Pressure Washers

  • Decal for Generac 9585-4 - Part 94077

    Pressure washer diagram

    Decal

    Part #94077

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

  • Adaptor-quic for Generac 9585-4 - Part 100518GS

    #NI

    All parts diagram

    Adaptor-quic

    Part #100518GS

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

  • Gasket for Generac 9585-4 - Part 80314

    Pressure washer diagram

    Gasket

    Part #80314

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

  • Bracket for Generac 9585-4 - Part 83208

    Pressure washer diagram

    Bracket

    Part #83208

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

  • Wheel for Generac 9585-4 - Part 87280

    Pressure washer diagram

    Wheel

    Part #87280

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

  • Coil for Generac 9585-4 - Part 81675

    Gn-series engine diagram

    Coil

    Part #81675

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

  • Valve for Generac 9585-4 - Part 90081

    Long block diagram

    Valve

    Part #90081

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

  • Pump for Generac 9585-4 - Part 87628

    Pressure washer diagram

    Pump

    Part #87628

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

  • Cap Screw for Generac 9585-4 - Part 78831B

    Pressure washer diagram

    Cap Screw

    Part #78831B

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

  • Screw for Generac 9585-4 - Part 83512

    Gn-series engine diagram

    Screw

    Part #83512

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

Most common symptoms to help you fix your pressure washers

Choose a symptom to see related pressure washer repairs.

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

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

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

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

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

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

Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter…

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

Main causes: faulty unloader valve, bad pressure regulator…

Repair guides for gas pressure washers

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

How to replace a pressure washer pump

How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…

Repair time and Difficulty

 15 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…

Repair time and Difficulty

 45 minutes or less
How to replace a pressure washer unloader valve

How to replace a pressure washer unloader valve

The unloader valve recirculates water to protect the pump from damage. If the unloader valve is defective, replace it us…

Repair time and Difficulty

 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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