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Troybilt
Gas Pressure Washer

Model # 01902 Official Troybilt pressure washer

Here are the diagrams and repair parts for Official Troybilt 01902 pressure washer, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 46 parts  |
O-ring Maintenance Kit And Nozzle Cleaner 191922GS

#NI04

All parts diagram

O-ring maintenance kit and nozzle cleaner

Part #191922GS

Replaced by #705001

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Manufacturer substitution
This part replaces 191922GS. Substitute parts can look different from the original.
BEST SELLER
$26.04 | 
19% OFF Phone Price : $32.04
In Stock
Hose 190249GS
#4

Unit diagram

Hose

Part #190249GS

Replaced by #84006753

?
Manufacturer substitution
This part replaces 190249GS. Substitute parts can look different from the original.
BEST SELLER
$83.66 | 
7% OFF Phone Price : $89.66
In Stock
Pressure Washer Outlet Tube Kit 190634GS
#C

Pump diagram

Pressure washer outlet tube kit

Part #190634GS

Replaced by #201497GS

?
Manufacturer substitution
This part replaces 190634GS. Substitute parts can look different from the original.
BEST SELLER
$29.95 | 
17% OFF Phone Price : $35.95
In Stock
Relief 21783GS
#76

Pump diagram

Relief

Part #21783GS

Replaced by #208673GS

?
Manufacturer substitution
This part replaces 21783GS. Substitute parts can look different from the original.
BEST SELLER
$20.84 | 
22% OFF Phone Price : $26.84
In Stock
Wand Assembly 188792HGS
#13

Unit diagram

Wand assembly

Part #188792HGS

Replaced by #205015CGS

?
Manufacturer substitution
This part replaces 188792HGS. Substitute parts can look different from the original.
$66.24 | 
8% OFF Phone Price : $72.24
In Stock
Generac Pressure Washer Vibration Kit 192310GS
#9

Unit diagram

Generac pressure washer vibration kit

Part #192310GS

This item is not returnable
$16.49 | 
11% OFF Phone Price : $18.49
In Stock
Pressure Washer Cap 190581GS
#62

Pump diagram

Pressure washer cap

Part #190581GS

This item is not returnable
$12.89 | 
13% OFF Phone Price : $14.89
In Stock
Screw 190576GS
#30

Pump diagram

Screw

Part #190576GS

Replaced by #193971GS

?
Manufacturer substitution
This part replaces 190576GS. Substitute parts can look different from the original.
This item is not returnable
$11.60 | 
15% OFF Phone Price : $13.60
In Stock
Pressure Washer Retainer Clip 192050GS
#12

Unit diagram

Pressure washer retainer clip

Part #192050GS

Replaced by #703976

?
Manufacturer substitution
This part replaces 192050GS. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
O-ring, 4.0 190575GS
#29

Pump diagram

O-ring, 4.0

Part #190575GS

Replaced by #193971GS

?
Manufacturer substitution
This part replaces 190575GS. Substitute parts can look different from the original.
This item is not returnable
$11.60 | 
15% OFF Phone Price : $13.60
In Stock

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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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