Homelite
Gas Pressure Washer

Model # UT80546 Official Homelite power washer

Here are the diagrams and repair parts for Official Homelite UT80546 power washer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 165 parts  |

Nut M8 X 1 678774001
#33

Frame assy diagram

Nut m8 x 1

Part #678774001

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

Washer 1/2 638275002
#30

Frame assy diagram

Washer 1/2

Part #638275002

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

Valve Spring 099980425054
#54

Engine assy diagram

Valve spring

Part #099980425054

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

Bolt Hh 1/ 661503004
#16

Frame assy diagram

Bolt hh 1/

Part #661503004

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

Ring Clip 678899001
#29

Frame assy diagram

Ring clip

Part #678899001

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

Strainer 099980425078
#81

Engine assy diagram

Strainer

Part #099980425078

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

Pin 099980425022
#22

Engine assy diagram

Pin

Part #099980425022

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

Cylinder Head 099980425103
#2

Engine assy diagram

Cylinder head

Part #099980425103

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

Piston Assembly 099980425111
#35

Engine assy diagram

Piston assembly

Part #099980425111

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

Labelchoke 940647049
#39

Frame assy diagram

Labelchoke

Part #940647049

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

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

Main causes: broken recoil spring, damaged recoil starter…

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

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

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

Main causes: faulty unloader valve, bad pressure regulator…

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

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

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 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…

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…

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…

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

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

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