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Generac 1539-0 pressure washer Parts

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

Generac 1539-0 pressure washer
By Schematic
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Browse Parts for 1539-0 Pressure Washers

  • O-ring for Generac 1539-0 - Part 116B2126GS

    Pump diagram

    Generac Pressure Washer O-ring

    Part #116B2126GS

    Replaced by #116B2126GS

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    Manufacturer substitution
    This part replaces 116B2126GS. Substitute parts can look different from the original.
    In Stock
    $12.71
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  • Pstn for Generac 1539-0 - Part 123B2126GS

    Pump diagram

    Generac Pressure Washer Pump Piston

    Part #123B2126GS

    Replaced by #123B2126GS

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    Manufacturer substitution
    This part replaces 123B2126GS. Substitute parts can look different from the original.
    In Stock
    $191.58
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  • Kit, Nzzl, for Generac 1539-0 - Part 186301GS

    Unit diagram

    Nozzle

    Part #186301GS

    Replaced by #186301GS

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    Manufacturer substitution
    This part replaces 186301GS. Substitute parts can look different from the original.
    In Stock
    $109.22
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  • Shcs, 3/8- for Generac 1539-0 - Part 23645GS

    Craftsman Screw

    Part #23645GS

    Replaced by #23645GS

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    Manufacturer substitution
    This part replaces 23645GS. Substitute parts can look different from the original.
    In Stock
    $8.69
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  • Hhcs, M10- for Generac 1539-0 - Part 64416GS

    Unit diagram

    Generac Bolt

    Part #64416GS

    Replaced by #64416GS

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    Manufacturer substitution
    This part replaces 64416GS. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.17
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  • Spring for Generac 1539-0 - Part 216B2327GS

    Unloader diagram

    Troybilt Spring

    Part #216B2327GS

    Replaced by #216B2327GS

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    Manufacturer substitution
    This part replaces 216B2327GS. Substitute parts can look different from the original.
    In Stock
    $19.11
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  • O-ring for Generac 1539-0 - Part 10387822PGS

    Pump diagram

    Snapper Pressure Washer O-ring

    Part #10387822PGS

    Replaced by #10387822PGS

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    Manufacturer substitution
    This part replaces 10387822PGS. Substitute parts can look different from the original.
    In Stock
    $9.54
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  • Ball, Ss for Generac 1539-0 - Part 211B2327GS

    Unloader diagram

    Snapper Pressure Washer Chemical Injector Check Ball

    Part #211B2327GS

    Replaced by #211B2327GS

    Info Icon
    Manufacturer substitution
    This part replaces 211B2327GS. Substitute parts can look different from the original.
    In Stock
    $10.54
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  • Guide, Pst for Generac 1539-0 - Part 131B2126GS

    Pump diagram

    Craftsman Piston Guide

    Part #131B2126GS

    Replaced by #131B2126GS

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    Manufacturer substitution
    This part replaces 131B2126GS. Substitute parts can look different from the original.
    In Stock
    $36.49
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  • Seal Ring for Generac 1539-0 - Part 12187822PGS

    Pump diagram

    Craftsman Lawn Mower Seal Ring

    Part #12187822PGS

    Replaced by #12187822PGS

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    Manufacturer substitution
    This part replaces 12187822PGS. Substitute parts can look different from the original.
    In Stock
    $96.27
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Most common symptoms to help you fix your pressure washers

Choose a symptom to see related pressure washer repairs.

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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 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 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 doesn't my pressure washer recoil starter work?

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

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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 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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What routine maintenance does my pressure washer need?

Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter…

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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 does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

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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 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 time and Difficulty

 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…

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Repair time and Difficulty

 45 minutes or less
How to replace a pressure washer unloader valve

How to replace a pressure washer unloader valve

The unloader valve recirculates water to protect the pump from damage. If the unloader valve is defective, replace it us…

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Repair time and Difficulty

 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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