Model # 01904 Official Troybilt pressure washer

Here are the diagrams and repair parts for Official Troybilt 01904 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 47 parts |

Unit diagram

Gun

Part #190049GS

Replaced by #704312

$92.47 |

6% OFF Phone Price : $98.47

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Unit diagram

Generac pressure washer vibration kit

Part #192553GS

$23.78

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Unit diagram

Pressure washer vibration kit

Part #192134GS

$36.55 |

14% OFF Phone Price : $42.55

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Pump diagram

Pressure washer check valve kit

Part #190657GS

$89.30 |

6% OFF Phone Price : $95.30

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Pump diagram

Troybilt pressure washer unloader valve kit (replaces 190661)

Part #190661GS

$239.49 |

5% OFF Phone Price : $251.49

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Troybilt Pressure Washer Chemical Injection Kit 190645GS

#38

Pump diagram

Troybilt pressure washer chemical injection kit

Part #190645GS

$106.59 |

10% OFF Phone Price : $118.59

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#24

Pump diagram

Washer

Part #190640GS

$8.34

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Unit diagram

Pressure washer pump mounting hardware

Part #192131GS

This item is not returnable

$10.19 |

16% OFF Phone Price : $12.19

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Pump diagram

Pressure washer pump valve water seal kit

Part #190660GS

$103.83 |

10% OFF Phone Price : $115.83

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#42

Pump diagram

Pressure washer piston guide

Part #190646GS

$56.42

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Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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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…

Why doesn't my pressure washer recoil starter work?

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

Why does my pressure washer's engine lose power?

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

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…

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…

What routine maintenance does my pressure washer need?

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

Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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…

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 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 difficulty

Time required

15 minutes or less

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 difficulty

Time required

15 minutes or less

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 difficulty

Time required

45 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

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

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

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Model # 01904 Official Troybilt pressure washer

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas pressure washers

Why is the spray from my pressure washer weak?

Why doesn't my pressure washer recoil starter work?

Why does my pressure washer's engine lose power?

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

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

What routine maintenance does my pressure washer need?

Why does my pressure washer spray too hard?

Why won't the pressure washer starter rope retract?

Why won't my pressure washer engine start?

Repair guides for gas pressure washers

How to replace a pressure washer pump

How to replace a pressure washer unloader valve

How to install a pressure washer O-ring kit

Effective articles & videos to help repair your pressure washers

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

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

Top questions about Sears and Sears PartsDirect

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