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Briggs & Stratton
Gas Pressure Washer

Model # 020439-00 Official Briggs & Stratton power washer

Here are the diagrams and repair parts for Official Briggs & Stratton 020439-00 power 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 32 parts  |
Pressure Washer Hose 196006GS
#17

Power washer diagram

Pressure washer hose

Part #196006GS

Replaced by #84006753

?
Manufacturer substitution
This part replaces 196006GS. Substitute parts can look different from the original.
BEST SELLER
$83.66 | 
7% OFF Phone Price : $89.66
In Stock
Briggs & Stratton Pressure Washer Pump Saver (replaces 100515gs) 6039

#NI11

All parts diagram

Briggs & stratton pressure washer pump saver (replaces 100515gs)

Part #6039

$16.56 | 
11% OFF Phone Price : $18.56
In Stock
Snapper Pressure Washer Pump Shaft Key (replaces 23139) 23139GS
#5

Power washer 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
Pressure Washer Spray Nozzle 195983AEGS
#14B

Power washer diagram

Pressure washer spray nozzle

Part #195983AEGS

This item is not returnable
$18.09 | 
10% OFF Phone Price : $20.09
In Stock
Husqvarna Pressure Washer Handle Attachment Kit (replaces B2203) B2203GS
#11

Power washer diagram

Husqvarna pressure washer handle attachment kit (replaces b2203)

Part #B2203GS

This item is not returnable
$8.89 | 
10% OFF Phone Price : $9.89
In Stock
Briggs & Stratton Decal 311582GS

#NI05

All parts diagram

Briggs & stratton decal

Part #311582GS

$25.16
In Stock
Briggs & Stratton Decal 311579GS

#NI07

All parts diagram

Briggs & stratton decal

Part #311579GS

$20.43
In Stock
Briggs & Stratton Accelerator Holder 206813GS
#18

Power washer diagram

Briggs & stratton accelerator holder

Part #206813GS

$17.09
In Stock
Briggs & Stratton Wheel Kit 208619GS
#13

Power washer diagram

Briggs & stratton wheel kit

Part #208619GS

$48.67
In Stock
Husqvarna Pressure Washer Fastening Clip (replaces B1797) B1797GS

#NI03

All parts diagram

Husqvarna pressure washer fastening clip (replaces b1797)

Part #B1797GS

This item is not returnable
$6.69 | 
13% OFF Phone Price : $7.69
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

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

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