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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  |
O-ring Kit 100516GS

#NI

All parts diagram

O-ring kit

Part #100516GS

Replaced by #705001

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Manufacturer substitution
This part replaces 100516GS. Substitute parts can look different from the original.
BEST SELLER
$26.04 | 
19% OFF Phone Price : $32.04
In Stock
Hose-2400psi 100512GS

#NI

All parts diagram

Hose-2400psi

Part #100512GS

Replaced by #84006753

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Manufacturer substitution
This part replaces 100512GS. Substitute parts can look different from the original.
BEST SELLER
$83.66 | 
7% OFF Phone Price : $89.66
In Stock
Bushing 78299
#42

Main frame diagram

Bushing

Part #78299

Replaced by #192980GS

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Manufacturer substitution
This part replaces 78299. Substitute parts can look different from the original.
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$25.18 | 
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Valve 80270
#41

Main frame diagram

Valve

Part #80270

Replaced by #192980GS

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Manufacturer substitution
This part replaces 80270. Substitute parts can look different from the original.
BEST SELLER
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Adapter Guard 100517GS

#NI

All parts diagram

Adapter guard

Part #100517GS

Replaced by #6190

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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

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Manufacturer substitution
This part replaces 100518GS. Substitute parts can look different from the original.
$43.27 | 
12% OFF Phone Price : $49.27
In Stock
Vibration Mount 27007
#24

Main frame diagram

Vibration mount

Part #27007

Replaced by #191413GS

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Manufacturer substitution
This part replaces 27007. Substitute parts can look different from the original.
This item is not returnable
$11.60
In Stock
Cleaner 81646
#47

Flywheel and ring gear assembly diagram

Cleaner

Part #81646

Replaced by #G081646

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Manufacturer substitution
This part replaces 81646. Substitute parts can look different from the original.
This item is not returnable
$11.57
In Stock
Hase 72745
#23

Flywheel and ring gear assembly diagram

Hase

Part #72745

Replaced by #0D7199A

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Manufacturer substitution
This part replaces 72745. Substitute parts can look different from the original.
$28.16
In Stock
Coil 84542
#10

Flywheel and ring gear assembly diagram

Coil

Part #84542

Replaced by #0G9241T

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Manufacturer substitution
This part replaces 84542. Substitute parts can look different from the original.
$43.29 | 
12% OFF Phone Price : $49.29
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Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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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 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 the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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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 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 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 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 doesn't my pressure washer recoil starter work?

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

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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 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
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…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a pressure washer pump

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…

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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

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