Gas Pressure Washer

Model # 1539-0 Official Generac pressure washer

Here are the diagrams and repair parts for Official Generac 1539-0 pressure washer, as well as links to manuals and error code tables, if available.

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Browse Parts for
1539-0 Pressure Washers
Extension Wand B3858GS
#24

Unit diagram

Extension wand

Part #B3858GS

Replaced by #706595

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Manufacturer substitution
This part replaces B3858GS. Substitute parts can look different from the original.
$50.80
11% OFF Phone Price : $56.80
In Stock
O-ring 231B2327GS
#6

Unloader diagram

O-ring

Part #231B2327GS

Replaced by #192914GS

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Manufacturer substitution
This part replaces 231B2327GS. 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 11587628PGS
#11

Pump diagram

O-ring

Part #11587628PGS

Replaced by #192914GS

?
Manufacturer substitution
This part replaces 11587628PGS. Substitute parts can look different from the original.
This item is not returnable
$26.70
18% OFF Phone Price : $32.70
In Stock
Pressure Washer Chemical Injector Hose A1040DGS
Pressure washer chemical injector hose

Part #A1040DGS

Replaced by #705076

?
Manufacturer substitution
This part replaces A1040DGS. Substitute parts can look different from the original.
This item is not returnable
$21.89
22% OFF Phone Price : $27.89
In Stock
Gun, 4000p B1436BGS
#20

Unit diagram

Gun, 4000p

Part #B1436BGS

Replaced by #704311

?
Manufacturer substitution
This part replaces B1436BGS. Substitute parts can look different from the original.
$106.06
10% OFF Phone Price : $118.06
In Stock
Briggs & Stratton Generator Vibration Isolator 191413GS
#31

Unit diagram

Briggs & stratton generator vibration isolator

Part #191413GS

This item is not returnable
In Stock
Troybilt Pressure Washer Bolt 226B2327GS
#24

Unloader diagram

Troybilt pressure washer bolt

Part #226B2327GS

$72.19
8% OFF Phone Price : $78.19
In Stock
Snapper Valve Housing 228B2327GS
#22

Unloader diagram

Snapper valve housing

Part #228B2327GS

In Stock
Troybilt Pressure Washer O-ring 225B2327GS
#21

Unloader diagram

Troybilt pressure washer o-ring

Part #225B2327GS

This item is not returnable
In Stock
Craftsman Seal Ring 12187822PGS
#28

Pump diagram

Craftsman seal ring

Part #12187822PGS

In Stock

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

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

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 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…

Repair difficulty
Time required
 45 minutes or less
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…

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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