Generac
Lawn & Garden Engine

Model #EHC040480 Official Generac engine

Here are the diagrams and repair parts for Generac EHC040480 engine, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

    Showing 10 of 119 parts

    Lawn & Garden Equipment Engine Spark Plug#20

    Spark plug/ oil filter 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
    Lawn & Garden Equipment Engine Air Filter#47

    Carburetor 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
    Generator Engine Valve Set#37

    Complete long block Diagram

    Valve

    Part #90082
    Replaced by #0D24890ESV
    ?
    Manufacturer substitution
    This part replaces 90082. Substitute parts can look different from the original.
    In Stock
    $34.87 | 
    12% OFF 
    Phone Price: $39.59
    Generator Engine Valve Set#38

    Complete long block Diagram

    Valve

    Part #90081
    Replaced by #0D24890ESV
    ?
    Manufacturer substitution
    This part replaces 90081. Substitute parts can look different from the original.
    In Stock
    $34.87 | 
    12% OFF 
    Phone Price: $39.59
    Generator Oil Pressure Switch#5

    Spark plug/ oil filter Diagram

    Switch

    Part #99236
    Replaced by #0D9235BSRV
    ?
    Manufacturer substitution
    This part replaces 99236. Substitute parts can look different from the original.
    In Stock
    $40.51 | 
    10% OFF 
    Phone Price: $45.19
    Generator Engine Valve Set#31

    Complete long block Diagram

    Spring

    Part #88401
    Replaced by #0D24890ESV
    ?
    Manufacturer substitution
    This part replaces 88401. Substitute parts can look different from the original.
    In Stock
    $34.87 | 
    12% OFF 
    Phone Price: $39.59
    Lawn & Garden Equipment Engine Hose Clamp#61

    Flywheel Diagram

    Clamp

    Part #48031C
    Replaced by #691038
    ?
    Manufacturer substitution
    This part replaces 48031C. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $3.65
    Spool#16

    Complete long block Diagram

    Spool

    Part #A7811
    This item is not returnable
    Back Order
    $6.24
    Lawn & Garden Equipment Engine Cover Bolt#84

    Flywheel Diagram

    Bolt

    Part #78609
    Replaced by #G078609
    ?
    Manufacturer substitution
    This part replaces 78609. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.16
    Spring#25

    Spark plug/ oil filter Diagram

    Spring

    Part #78604
    Replaced by #G078604
    ?
    Manufacturer substitution
    This part replaces 78604. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.37

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