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Generac 9898-1 7.8-hp 2500-psi pressure washer Parts

Here are the diagrams and repair parts for Generac 9898-1 7.8-hp 2500-psi pressure washer, as well as links to manuals and error code tables, if available.

Generac 9898-1 7.8-hp 2500-psi pressure washer
By Schematic
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Browse Parts for 9898-1 Pressure Washers

  • Spool for Generac 9898-1 - Part A7811

    Crancase sub assembly diagram

    Spool

    Part #76365

    Replaced by #A7811

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    Manufacturer substitution
    This part replaces 76365. Substitute parts can look different from the original.
    In Stock
    $31.19
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  • Lawn Mower Housing for Generac 9898-1 - Part 090695A

    Carburetor assembly diagram

    Floor

    Part #90695A

    Replaced by #090695A

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    Manufacturer substitution
    This part replaces 90695A. Substitute parts can look different from the original.
    In Stock
    $60.01
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  • Arm for Generac 9898-1 - Part 76354

    Crancase sub assembly diagram

    Arm

    Part #76354

    Replaced by #76354

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    Manufacturer substitution
    This part replaces 76354. Substitute parts can look different from the original.
    In Stock
    $32.03
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  • Piston for Generac 9898-1 - Part 99427GS

    Cylinder assembly diagram

    Retainer

    Part #95386

    Replaced by #99427GS

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    Manufacturer substitution
    This part replaces 95386. Substitute parts can look different from the original.
    In Stock
    $58.69
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  • Nut Top Lock for Generac 9898-1 - Part G052858

    Pump head & cradle assy diagram

    Nut

    Part #52858

    Replaced by #G052858

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    Manufacturer substitution
    This part replaces 52858. Substitute parts can look different from the original.
    In Stock
    $26.53
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  • Plug;expansi for Generac 9898-1 - Part G094820

    Carburetor assembly diagram

    Plug

    Part #94820

    Replaced by #G094820

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    Manufacturer substitution
    This part replaces 94820. Substitute parts can look different from the original.
    In Stock
    $37.21
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  • Nut for Generac 9898-1 - Part 049813

    Carburetor assembly diagram

    Nut

    Part #49813

    Replaced by #049813

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    Manufacturer substitution
    This part replaces 49813. Substitute parts can look different from the original.
    In Stock
    $25.11
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  • Sleeve, Do for Generac 9898-1 - Part 078699B

    Crancase sub assembly diagram

    Dowel

    Part #78699B

    Replaced by #078699B

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    Manufacturer substitution
    This part replaces 78699B. Substitute parts can look different from the original.
    In Stock
    $27.26
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  • Guide for Generac 9898-1 - Part 021705B

    Crancase sub assembly diagram

    Head

    Part #88404B

    Replaced by #021705B

    Info Icon
    Manufacturer substitution
    This part replaces 88404B. Substitute parts can look different from the original.
    In Stock
    $196.63
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  • Lawn & Garden Equipment Screw for Generac 9898-1 - Part G040945

    Cap Screw

    Part #40945

    Replaced by #G040945

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    Manufacturer substitution
    This part replaces 40945. Substitute parts can look different from the original.
    In Stock
    $25.95
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Most common symptoms to help you fix your pressure washers

Choose a symptom to see related pressure washer repairs.

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

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

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

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

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…

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

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

Main causes: faulty unloader valve, bad pressure regulator…

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 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 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…

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…

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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