Model # 1538-0 Official Generac pressure washer

Here are the diagrams and repair parts for Official Generac 1538-0 pressure washer, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS

Showing 10 of 73 parts |

#28

Unit diagram

Extension wand

Part #B3858

Replaced by #706595

$50.80 |

11% OFF Phone Price : $56.80

In Stock

Qty

#13

Unit diagram

Tire, 3" x 10"

Part #B4966

Replaced by #209636GS

$85.96 |

7% OFF Phone Price : $91.96

In Stock

Qty

#40

Unit diagram

Connector

Part #21424

Replaced by #21424GS

This item is not returnable

$21.09 |

22% OFF Phone Price : $27.09

In Stock

Qty

#34

Unit diagram

Filter

Part #A1041

Replaced by #709496

This item is not returnable

$11.69 |

15% OFF Phone Price : $13.69

In Stock

Qty

#42

Unit diagram

Grommet

Part #30809

Replaced by #30809GS

This item is not returnable

$6.89 |

13% OFF Phone Price : $7.89

In Stock

Qty

#18

Unit diagram

Vibration mount

Part #27007

Replaced by #191413GS

This item is not returnable

$11.60

In Stock

Qty

#44

Pump diagram

Outlet

Part #B3510

Replaced by #B3510GS

$47.15 |

11% OFF Phone Price : $53.15

In Stock

Qty

#34

Pump diagram

Head

Part #185752

Replaced by #317054GS

$418.64 |

$12.00 OFF Phone Price : $430.64

In Stock

Qty

#43

Unit diagram

Hose clamp

Part #B1232

Replaced by #B1232GS

This item is not returnable

$5.40

In Stock

Qty

Pump diagram

Spring

Part #93652

Replaced by #93652GS

This item is not returnable

$11.60

In Stock

Qty

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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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…

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…

Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

Why does my pressure washer's engine lose power?

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

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…

Why doesn't my pressure washer recoil starter work?

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

Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

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…

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…

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 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

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

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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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.…

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…

Top questions about Sears and Sears PartsDirect

Model # 1538-0 Official Generac pressure washer

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas pressure washers

Why won't my pressure washer mix in the detergent?

Why is smoke coming from the pressure washer's exhaust?

Why won't the pressure washer starter rope retract?

Why does my pressure washer's engine lose power?

Why is the spray from my pressure washer weak?

Why doesn't my pressure washer recoil starter work?

Why does my pressure washer spray too hard?

Why won't my pressure washer engine start?

Why does water spray out of my pressure washer's pressure relief valve?

Repair guides for gas pressure washers

How to install a pressure washer check valve kit

How to install a pressure washer O-ring kit

How to install a pressure washer chemical injection kit

Effective articles & videos to help repair your pressure washers

How to enjoy all the online benefits we offer on our Sears PartsDirect website

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

Top questions about Sears and Sears PartsDirect

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