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Briggs & Stratton
Gas Pressure Washer

Model # 020434-1 Official Briggs & Stratton pressure washer

Here are the diagrams and repair parts for Official Briggs & Stratton 020434-1 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.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 55 parts  |
O-ring Kit 7175116

#NI12

All parts diagram

O-ring kit

Part #7175116

Replaced by #705001

?
Manufacturer substitution
This part replaces 7175116. Substitute parts can look different from the original.
BEST SELLER
$26.04 | 
19% OFF Phone Price : $32.04
In Stock
Pressure Washer O-ring Kit 196002GS
#16

Main unit diagram

Pressure washer o-ring kit

Part #196002GS

Replaced by #705001

?
Manufacturer substitution
This part replaces 196002GS. Substitute parts can look different from the original.
BEST SELLER
$26.04 | 
19% OFF Phone Price : $32.04
In Stock
Pressure Washer Outlet Tube Kit (replaces 190634gs, 2840260gs, 2840890gs) 201497GS
#H

Pump diagram

Pressure washer outlet tube kit (replaces 190634gs, 2840260gs, 2840890gs)

Part #201497GS

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$29.95 | 
17% OFF Phone Price : $35.95
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Pressure Washer Thermal Release Valve (replaces 194298gs) 208673GS

#NI21

All parts diagram

Pressure washer thermal release valve (replaces 194298gs)

Part #208673GS

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$20.84 | 
22% OFF Phone Price : $26.84
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Pressure Washer Water Inlet Screen (replaces 1266330gs, B2384) B2384GS
#36

Pump diagram

Pressure washer water inlet screen (replaces 1266330gs, b2384)

Part #B2384GS

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This item is not returnable
$6.04 | 
14% OFF Phone Price : $7.04
In Stock
Extension Wand 200595GS
#10

Main unit diagram

Extension wand

Part #200595GS

Replaced by #706595

?
Manufacturer substitution
This part replaces 200595GS. Substitute parts can look different from the original.
BEST SELLER
$50.80 | 
11% OFF Phone Price : $56.80
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Gun Assembly 204627GS
#12

Main unit diagram

Gun assembly

Part #204627GS

Replaced by #84003228

?
Manufacturer substitution
This part replaces 204627GS. Substitute parts can look different from the original.
$107.44 | 
10% OFF Phone Price : $119.44
In Stock
Pressure Washer Chemical Hose 204658GS
#5

Main unit diagram

Pressure washer chemical hose

Part #204658GS

$34.17 | 
15% OFF Phone Price : $40.17
In Stock
Pressure Washer Water Inlet Kit (replaces 2840250gs, 2841220gs) 201496GS
#J

Pump diagram

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

Part #201496GS

$49.48 | 
11% OFF Phone Price : $55.48
In Stock
Pressure Washer Chemical Injection Kit (replaces 11587628pgs, 1250280gs, 1560520gs, 1982520gs, 231b2327gs, 480480gs) 192914GS
#E

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

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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