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Generac 8866 generator Parts

Here are the diagrams and repair parts for Generac 8866 generator, as well as links to manuals and error code tables, if available.

Generac 8866 generator
By Schematic
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Browse Parts for 8866 Generator

  • Fan for Generac 8866 - Part 44331

    Generator diagram

    Fan

    Part #44331

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

  • Cap Screw for Generac 8866 - Part 22128

    Mounting base diagram

    Cap Screw

    Part #22128

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

  • Cap Screw for Generac 8866 - Part 22287

    Mounting base diagram

    Cap Screw

    Part #22287

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

  • Cover for Generac 8866 - Part 68799

    #NI

    All parts diagram

    Cover

    Part #68799

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

  • Plug Cover for Generac 8866 - Part 64680-B

    Mounting base diagram

    Plug Cover

    Part #64680-B

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

  • Panel for Generac 8866 - Part 68866-B

    Receptacle panel diagram

    Panel

    Part #68866-B

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

  • Fuel Cap for Generac 8866 - Part 66802-A

    Mounting base diagram

    Fuel Cap

    Part #66802-A

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

  • Fan Cover for Generac 8866 - Part 44357

    Generator diagram

    Fan Cover

    Part #44357

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

  • Screw for Generac 8866 - Part 25105

    Generator diagram

    Screw

    Part #25105

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

  • Stator Assembly for Generac 8866 - Part 68749-C

    Generator diagram

    Stator Assembly

    Part #68749-C

    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.

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

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

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

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

Main causes: faulty unloader valve, bad pressure regulator…

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

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

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

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

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

Articles and videos for gas pressure washers

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

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.…

Choosing the correct spray tip for a pressure washer

Choosing the correct spray tip for a pressure washer

Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.…

Pressure washer common questions

Pressure washer common questions

See what you can learn from the questions that people most often ask our experts about their pressure washers.…

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