Craftsman
Gas Pressure Washer

Model #580742780 Official Craftsman power washer

Here are the diagrams and repair parts for Craftsman 580742780 power washer, as well as links to manuals and error code tables, if available.

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    Showing 10 of 270 parts

    Lawn & Garden Equipment Engine Spark Plug#35

    Engine Diagram

    Spark plug

    Part #72347
    Replaced by #RC12YC
    ?
    Manufacturer substitution
    This part replaces 72347. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    In Stock
    $1.99 | 
    54% OFF 
    MSRP: $4.30
    Pressure Washer O-Ring Kit

    #NI

    All parts Diagram

    O-ring kit

    Part #100516GS
    Replaced by #705001
    ?
    Manufacturer substitution
    This part replaces 100516GS. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $17.41 | 
    13% OFF 
    MSRP: $20.00
    Generator Fuel Shut-Off Valve Kit#6

    2600 psi high pressure washer Diagram

    Valve

    Part #80270
    Replaced by #192980GS
    ?
    Manufacturer substitution
    This part replaces 80270. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $15.11 | 
    24% OFF 
    MSRP: $20.00
    Generator Fuel Shut-Off Valve Kit#7

    2600 psi high pressure washer Diagram

    Bushing

    Part #78299
    Replaced by #192980GS
    ?
    Manufacturer substitution
    This part replaces 78299. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $15.11 | 
    24% OFF 
    MSRP: $20.00
    Lawn & Garden Equipment Engine Air Filter#11

    Engine Diagram

    Filter

    Part #78601
    Replaced by #78601GS
    ?
    Manufacturer substitution
    This part replaces 78601. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $12.79 | 
    20% OFF 
    Was: $15.99
    Pressure Washer Quick-Connect Kit

    #NI

    All parts Diagram

    Quik-connect

    Part #71-75188
    Replaced by #312981GS
    ?
    Manufacturer substitution
    This part replaces 71-75188. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $42.29 | 
    11% OFF 
    Phone Price: $47.29
    Pressure Washer Quick-Connect Kit

    #NI

    All parts Diagram

    Adaptor-quic

    Part #100518GS
    Replaced by #312981GS
    ?
    Manufacturer substitution
    This part replaces 100518GS. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $42.29 | 
    11% OFF 
    Phone Price: $47.29
    Pressure Washer Quick-Connect Kit

    #NI

    All parts Diagram

    Accessory

    Part #71-75197
    Replaced by #312981GS
    ?
    Manufacturer substitution
    This part replaces 71-75197. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $42.29 | 
    11% OFF 
    Phone Price: $47.29
    Pressure Washer Garden Hose Quick-Connect Kit

    #NI

    All parts Diagram

    Adapter guard

    Part #100517GS
    Replaced by #6190
    ?
    Manufacturer substitution
    This part replaces 100517GS. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $24.09 | 
    17% OFF 
    Phone Price: $29.09
    Pressure Washer Garden Hose Quick-Connect Kit

    #NI

    All parts Diagram

    Quik-connect

    Part #71-75187
    Replaced by #6190
    ?
    Manufacturer substitution
    This part replaces 71-75187. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $24.09 | 
    17% OFF 
    Phone Price: $29.09

    Symptoms for gas pressure washers

    Choose a symptom to see related pressure washer repairs.

    Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad recoil starter
    Main causes: faulty unloader valve, bad pressure regulator
    Main causes: broken recoil spring, damaged recoil starter
    Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter
    Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine needs tune up
    Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, bad unloader valve
    Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stuck unloader valve
    Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system failure
    Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve

    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

    The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace the chemical injection valve.

    Repair difficulty
    Time required
     15 minutes or less
    April 1, 2013
    By Lyle Weischwill
    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 to replace the O-rings in a leaking pressure washer pump.

    Repair difficulty
    Time required
     45 minutes or less
    April 1, 2013
    By Lyle Weischwill
    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 chemical injection system. Follow these steps to replace a damaged pump.

    Repair difficulty
    Time required
     15 minutes or less

    Articles and videos common to all 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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