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Briggs & Stratton
Gas Pressure Washer

Model # 020435-2 Official Briggs & Stratton pressure washer

Here are the diagrams and repair parts for Official Briggs & Stratton 020435-2 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 62 parts  |
Pressure Washer Water Inlet Kit (replaces 2840250gs, 2841220gs) 201496GS
#D

Pump diagram

Pressure washer water inlet kit (replaces 2840250gs, 2841220gs)

Part #201496GS

$50.96 | 
11% OFF Phone Price : $56.96
In Stock
Fitting 2840250GS
#35

Pump diagram

Fitting

Part #2840250GS

Replaced by #201496GS

?
Manufacturer substitution
This part replaces 2840250GS. Substitute parts can look different from the original.
$50.96 | 
11% OFF Phone Price : $56.96
In Stock
Fitting 2841220GS
#34

Pump diagram

Fitting

Part #2841220GS

Replaced by #201496GS

?
Manufacturer substitution
This part replaces 2841220GS. Substitute parts can look different from the original.
$50.96 | 
11% OFF Phone Price : $56.96
In Stock
Pressure Washer Chemical Hose 204658GS
#5

Main unit diagram

Pressure washer chemical hose

Part #204658GS

$33.17 | 
15% OFF Phone Price : $39.17
In Stock
Pressure Washer Chemical Injection Kit (replaces 11587628pgs, 1250280gs, 1560520gs, 1982520gs, 231b2327gs, 480480gs) 192914GS
#A

Pump diagram

Pressure washer chemical injection kit (replaces 11587628pgs, 1250280gs, 1560520gs, 1982520gs, 231b2327gs, 480480gs)

Part #192914GS

This item is not returnable
$26.70 | 
18% OFF Phone Price : $32.70
In Stock
Nipple Hose 1982520GS
#17

Pump diagram

Nipple hose

Part #1982520GS

Replaced by #192914GS

?
Manufacturer substitution
This part replaces 1982520GS. Substitute parts can look different from the original.
This item is not returnable
$26.70 | 
18% OFF Phone Price : $32.70
In Stock
O-ring 480480GS
#18

Pump diagram

O-ring

Part #480480GS

Replaced by #192914GS

?
Manufacturer substitution
This part replaces 480480GS. Substitute parts can look different from the original.
This item is not returnable
$26.70 | 
18% OFF Phone Price : $32.70
In Stock
Spring 1560520GS
#20

Pump diagram

Spring

Part #1560520GS

Replaced by #192914GS

?
Manufacturer substitution
This part replaces 1560520GS. Substitute parts can look different from the original.
This item is not returnable
$26.70 | 
18% OFF Phone Price : $32.70
In Stock
Lubricant 7174403

#NI18

All parts diagram

Lubricant

Part #7174403

Replaced by #6039

?
Manufacturer substitution
This part replaces 7174403. Substitute parts can look different from the original.
$16.56 | 
11% OFF Phone Price : $18.56
In Stock
Snapper Pressure Washer Pump Shaft Key (replaces 23139) 23139GS

#NI03

All parts diagram

Snapper pressure washer pump shaft key (replaces 23139)

Part #23139GS

This item is not returnable
$7.29 | 
12% OFF Phone Price : $8.29
In Stock

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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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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…

Read more
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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