Generac
Gas Pressure Washer

Model # 1540-1 Official Generac pressure washer

Here are the diagrams and repair parts for Official Generac 1540-1 pressure washer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 55 parts  |

O-ring Maintenance Kit And Nozzle Cleaner 191922GS

#NI04

All parts diagram

O-ring maintenance kit and nozzle cleaner

Part #191922GS

Replaced by #705001

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Manufacturer substitution
This part replaces 191922GS. Substitute parts can look different from the original.
BEST SELLER
$26.04
19% OFF Phone Price : $32.04
In Stock
Extension 190779GS
#18

Unit diagram

Extension

Part #190779GS

Replaced by #706595

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Manufacturer substitution
This part replaces 190779GS. Substitute parts can look different from the original.
BEST SELLER
$50.80
11% OFF Phone Price : $56.80
In Stock
Husqvarna Pressure Washer Grommet 30809GS
#5

Unit diagram

Husqvarna pressure washer grommet

Part #30809GS

This item is not returnable
$6.89
13% OFF Phone Price : $7.89
In Stock
Hose, 50', B4805GS
#4

Unit diagram

Hose, 50',

Part #B4805GS

Replaced by #6483

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Manufacturer substitution
This part replaces B4805GS. Substitute parts can look different from the original.
$210.89
5% OFF Phone Price : $222.89
In Stock
Pressure Washer Outlet Fitting 95458GS
#13

Unit diagram

Pressure washer outlet fitting

Part #95458GS

Replaced by #703824

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Manufacturer substitution
This part replaces 95458GS. Substitute parts can look different from the original.
In Stock
Husqvarna Pump Spring 188153GS
#167

Pump diagram

Husqvarna pump spring

Part #188153GS

In Stock
Generac O-ring - Val 188155GS
#172

Pump diagram

Generac o-ring - val

Part #188155GS

In Stock
Generac Oil Seal 188111GS
#11

Pump diagram

Generac oil seal

Part #188111GS

In Stock
Generac Pressure Washer Vibration Kit 192553GS
#11

Unit diagram

Generac pressure washer vibration kit

Part #192553GS

In Stock
Hardware Kit B4196GS
#9

Unit diagram

Hardware kit

Part #B4196GS

In Stock

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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

Main causes: broken recoil spring, damaged recoil starter…

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

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

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

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

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

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 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
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 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…

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

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Tapping into a new feature in the Search Bar on Sears PartsDirect

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Top questions about Sears and Sears PartsDirect

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