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Generac
Gas Pressure Washer

Model # 9618-0 Official Generac power washer

Here are the diagrams and repair parts for Official Generac 9618-0 power washer, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 205 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.
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Lawn Mower O-ring 631028
#29

Carburetor 632589 (71/143) diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

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Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
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Spark Plug 33636

#135

All parts diagram

Spark plug

Part #33636

Replaced by #J19LM

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Manufacturer substitution
This part replaces 33636. Substitute parts can look different from the original.
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Primer 36045
#35

Carburetor 632589 (71/143) diagram

Primer

Part #36045

Replaced by #36045A

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Manufacturer substitution
This part replaces 36045. Substitute parts can look different from the original.
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Lamination 34443A

#100

All parts diagram

Lamination

Part #34443A

Replaced by #34443D

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Manufacturer substitution
This part replaces 34443A. Substitute parts can look different from the original.
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Gasket 27110
#44

Carburetor 632589 (71/143) diagram

Gasket

Part #27110

Replaced by #27110A

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Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
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Float 632019
#28

Carburetor 632589 (71/143) diagram

Float

Part #632019

Replaced by #632019A

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Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Fuel Tank Cap 35355

#301

All parts diagram

Lawn & garden equipment engine fuel tank cap

Part #35355

Replaced by #37845

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Manufacturer substitution
This part replaces 35355. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#25

Carburetor 632589 (71/143) diagram

Lawn & garden equipment engine carburetor float bowl (replaces 631025, 632808)

Part #631867

This item is not returnable
$3.49 | 
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Lawn & Garden Equipment Engine Service Manual (replaces 692509, 730546, 740048) 740049

#NI

All parts diagram

Lawn & garden equipment engine service manual (replaces 692509, 730546, 740048)

Part #740049

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Symptoms for gas pressure washers

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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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 15 minutes or less
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 15 minutes or less

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