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Troybilt
Gas Pressure Washer

Model #01903 Official Troybilt pressure washer

Here are the diagrams and repair parts for Troybilt 01903 pressure washer, as well as links to manuals and error code tables, if available.

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

Owner’s manual
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This is the number corresponding to the part on the diagram / schematic

Showing 10 of 50 parts

Pressure Washer Pump Oil#77

Pump Diagram

Pressure washer pump oil

Part #190585GS
BEST SELLER
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$13.94 | 
23% OFF 
MSRP: $18.00
Pressure Washer Gun (replaces 199990GS)#7

Unit Diagram

Gun

Part #190049GS
Replaced by #704312
?
Manufacturer substitution
This part replaces 190049GS. Substitute parts can look different from the original.
BEST SELLER
In Stock
$80.59 | 
19% OFF 
MSRP: $100.00
Pressure Washer Pump Seal Kit#K

Pump Diagram

Pressure washer pump seal kit

Part #190595GS
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In Stock
$84.49 | 
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MSRP: $110.00
Pressure Washer Check Valve Kit#E

Pump Diagram

Pressure washer check valve kit

Part #190591GS
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$48.20 | 
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Phone Price: $53.20
Pressure Washer Quick-Connect Kit (replaces 6050)#10

Unit Diagram

Q dsconnct

Part #95519GS
Replaced by #312981GS
?
Manufacturer substitution
This part replaces 95519GS. Substitute parts can look different from the original.
BEST SELLER
In Stock
$42.29 | 
11% OFF 
Phone Price: $47.29
Pressure Washer Quick-Connect Kit (replaces 6050)#11

Unit Diagram

Q dscnnct

Part #95518GS
Replaced by #312981GS
?
Manufacturer substitution
This part replaces 95518GS. Substitute parts can look different from the original.
BEST SELLER
In Stock
$42.29 | 
11% OFF 
Phone Price: $47.29
Pressure Washer Pump Valve Plug (replaces 190575GS, 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
In Stock
$11.60 | 
15% OFF 
Phone Price: $13.60
Pressure Washer Pump Valve Plug (replaces 190575GS, 190576GS)#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
In Stock
$11.60 | 
15% OFF 
Phone Price: $13.60
Pressure Washer Pump Shaft Key#16

Unit Diagram

Pressure washer pump shaft key

Part #23139DGS
This item is not returnable
In Stock
$6.56 | 
13% OFF 
Phone Price: $7.56
Pressure Washer Breather Tube#M

Pump Diagram

Pressure washer breather tube

Part #190669GS
In Stock
$62.89 | 
7% OFF 
Phone Price: $67.89

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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 recoil starter
Read more

Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator
Read more

Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter
Read more

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
Read more

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 needs tune up
Read more

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, bad unloader valve
Read more

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, stuck unloader valve
Read more

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 failure
Read more

Why does my pressure washer's engine lose power?

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

Repair guides for gas pressure washers

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

April 1, 2013

How to install a pressure washer chemical injection kit

Lyle Weischwill
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 the chemical injection valve.

Repair difficulty
Time required
 15 minutes or less
April 1, 2013

How to install a pressure washer O-ring kit

Lyle Weischwill
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 to replace the O-rings in a leaking pressure washer pump.

Repair difficulty
Time required
 45 minutes or less
April 1, 2013

How to replace a pressure washer pump

Lyle Weischwill
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 chemical injection system. Follow these steps to replace a damaged pump.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all pressure washers

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

August 30, 2022

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

Lyle Weischwill
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.

Read more
August 11, 2022

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

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

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

Read more
June 29, 2022

Top questions about Sears and Sears PartsDirect

Lyle Weischwill
Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.

Read more

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