Gas Pressure Washer

Model # 1537-1 Official Generac pressure washer

Here are the diagrams and repair parts for Official Generac 1537-1 pressure washer, as well as links to manuals and error code tables, if available.

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1537-1 Pressure Washers
Gun,high P B3263
#19

Unit diagram

Gun,high p

Part #B3263

Replaced by #704312

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Manufacturer substitution
This part replaces B3263. Substitute parts can look different from the original.
$89.70
6% OFF Phone Price : $95.70
In Stock
Kit 187879
#25

Pump diagram

Kit

Part #187879

Replaced by #187879GS

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Manufacturer substitution
This part replaces 187879. Substitute parts can look different from the original.
$41.82
13% OFF Phone Price : $47.82
In Stock
Hose A1040D
#34

Unit diagram

Hose

Part #A1040D

Replaced by #705076

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Manufacturer substitution
This part replaces A1040D. Substitute parts can look different from the original.
This item is not returnable
$21.89
22% OFF Phone Price : $27.89
In Stock
Piston Seal 93680
#7

Pump diagram

Piston seal

Part #93680

Replaced by #93680GS

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Manufacturer substitution
This part replaces 93680. Substitute parts can look different from the original.
This item is not returnable
$10.88
16% OFF Phone Price : $12.88
In Stock
Goggles 87815
#20

Unit diagram

Goggles

Part #87815

Replaced by #87815GS

?
Manufacturer substitution
This part replaces 87815. Substitute parts can look different from the original.
In Stock
Hose B5642
#32

Unit diagram

Hose

Part #B5642

Replaced by #84006753

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Manufacturer substitution
This part replaces B5642. Substitute parts can look different from the original.
$91.42
6% OFF Phone Price : $97.42
In Stock
Connector 21424
#40

Unit diagram

Connector

Part #21424

Replaced by #21424GS

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Manufacturer substitution
This part replaces 21424. Substitute parts can look different from the original.
This item is not returnable
$21.09
22% OFF Phone Price : $27.09
In Stock
Washer 71693
#17

Unit diagram

Washer

Part #71693

Replaced by #71693GS

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Manufacturer substitution
This part replaces 71693. Substitute parts can look different from the original.
This item is not returnable
In Stock
Kit 188287
#25

Unit diagram

Kit

Part #188287

Replaced by #705001

?
Manufacturer substitution
This part replaces 188287. Substitute parts can look different from the original.
$26.77
18% OFF Phone Price : $32.77
In Stock
Nut 67989
#42

Unit diagram

Nut

Part #67989

Replaced by #67989GS

?
Manufacturer substitution
This part replaces 67989. Substitute parts can look different from the original.
This item is not returnable
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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