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Generac
Gas Pressure Washer

Model # 9728-0 Official Generac pressure washer

Here are the diagrams and repair parts for Official Generac 9728-0 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.

Model diagram and schematic

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ALL PARTS
Showing 10 of 262 parts  |
Adapter Guard 100517GS

#NI

All parts diagram

Adapter guard

Part #100517GS

Replaced by #6190

?
Manufacturer substitution
This part replaces 100517GS. Substitute parts can look different from the original.
$24.09 | 
20% OFF Phone Price : $30.09
In Stock
Adaptor-quic 100518GS

#NI

All parts diagram

Adaptor-quic

Part #100518GS

Replaced by #312981GS

?
Manufacturer substitution
This part replaces 100518GS. Substitute parts can look different from the original.
$43.27 | 
12% OFF Phone Price : $49.27
In Stock
Element 73111
#13

Flywheel and ring gear assembly diagram

Element

Part #73111

Replaced by #073111S

?
Manufacturer substitution
This part replaces 73111. Substitute parts can look different from the original.
This item is not returnable
$27.32 | 
18% OFF Phone Price : $33.32
In Stock
Switch 77667
#39

Flywheel and ring gear assembly diagram

Switch

Part #77667

Replaced by #0D9235BSRV

?
Manufacturer substitution
This part replaces 77667. Substitute parts can look different from the original.
$59.23 | 
9% OFF Phone Price : $65.23
In Stock
Head Gasket 73142
#21

Long block diagram

Head gasket

Part #73142

Replaced by #021713B

?
Manufacturer substitution
This part replaces 73142. Substitute parts can look different from the original.
This item is not returnable
$6.78 | 
13% OFF Phone Price : $7.78
In Stock
Screen 83083
#19

Main frame diagram

Screen

Part #83083

Replaced by #83083GS

?
Manufacturer substitution
This part replaces 83083. Substitute parts can look different from the original.
This item is not returnable
$13.49 | 
13% OFF Phone Price : $15.49
In Stock
Arm Gasket 71987
#37

Long block diagram

Arm gasket

Part #71987

Replaced by #0C3150A

?
Manufacturer substitution
This part replaces 71987. Substitute parts can look different from the original.
$21.64 | 
22% OFF Phone Price : $27.64
In Stock
Push Rod 88396B
#34

Long block diagram

Push rod

Part #88396B

Replaced by #0D9853B

?
Manufacturer substitution
This part replaces 88396B. Substitute parts can look different from the original.
$14.09
In Stock
Coil 84542
#10

Flywheel and ring gear assembly diagram

Coil

Part #84542

Replaced by #0G9241T

?
Manufacturer substitution
This part replaces 84542. Substitute parts can look different from the original.
$43.29 | 
12% OFF Phone Price : $49.29
In Stock
Spring 86514
#27

Long block diagram

Spring

Part #86514

Replaced by #0D2274

?
Manufacturer substitution
This part replaces 86514. Substitute parts can look different from the original.
This item is not returnable
$2.54 | 
28% OFF Phone Price : $3.54
In Stock

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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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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Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

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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…

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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 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 won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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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 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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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 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 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…

Read more
Repair difficulty
Time required
 120 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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

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

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…

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Top questions about Sears and Sears PartsDirect

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

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