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Wagner 404 power painter Parts

Here are the diagrams and repair parts for Wagner 404 power painter, as well as links to manuals and error code tables, if available.

Wagner 404 power painter
By Schematic
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Browse Parts for 404 Power Tools

  • Washer for Wagner 404 - Part 0293311

    Gun and roller assembly diagram

    Washer

    Part #0293311

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

  • Gun Filter for Wagner 404 - Part 0089731

    #NI

    All parts diagram

    Gun Filter

    Part #0089731

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

  • Seal/screw for Wagner 404 - Part 0293733

    Basic unit diagram

    Seal/screw

    Part #0293733

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

  • Roll Handle for Wagner 404 - Part 0138388

    Gun and roller assembly diagram

    Roll Handle

    Part #0138388

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

  • O-ring for Wagner 404 - Part 0293342

    Basic unit diagram

    O-ring

    Part #0293342

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

  • Power Paint Roller Cover for Wagner 404 - Part 0155206

    Gun and roller assembly diagram

    Power Paint Roller Cover

    Part #0155206

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

  • Zip Tip for Wagner 404 - Part 0154782

    Gun and roller assembly diagram

    Zip Tip

    Part #0154782

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

  • Hose Grip for Wagner 404 - Part 0275736

    Basic unit diagram

    Hose Grip

    Part #0275736

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

  • Paint Sprayer Spray Gun Filter, 2-pack (yellow) for Wagner 404 - Part 0089959

    Gun and roller assembly diagram

    Paint Sprayer Spray Gun Filter, 2-pack (yellow)

    Part #0089959

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

  • O-ring for Wagner 404 - Part 0293345

    Basic unit diagram

    O-ring

    Part #0293345

    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.

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

7 steps for winterizing and storing a pressure washer

7 steps for winterizing and storing a pressure washer

Follow this advice to winterize your pressure washer.…

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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