Tecumseh
Lawn & Garden Engine

Model #HM80-155644S Tecumseh engine

Here are the diagrams and repair parts for Tecumseh HM80-155644S engine, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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

    Showing 10 of 181 parts

    Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket#29

    Carburetor 640125 Diagram

    Lawn mower o-ring

    Part #631028
    Replaced by #631028A
    ?
    Manufacturer substitution
    This part replaces 631028. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    In Stock
    $2.49 | 
    29% OFF 
    Phone Price: $3.49
    Lawn & Garden Equipment Engine Fuel Line Clamp#292

    Engine hm80-155644s Diagram

    Lawn & garden equipment engine fuel line clamp

    Part #26460
    BEST SELLER
    This item is not returnable
    In Stock
    $2.49 | 
    29% OFF 
    Phone Price: $3.49
    Lawn & Garden Equipment Engine Spark Plug#135

    Engine hm80-155644s Diagram

    Spark plug

    Part #33636
    Replaced by #J19LM
    ?
    Manufacturer substitution
    This part replaces 33636. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    In Stock
    $1.55 | 
    66% OFF 
    MSRP: $4.60
    Lawn & Garden Equipment Engine Carburetor Float#28

    Carburetor 640125 Diagram

    Float

    Part #632019
    Replaced by #632019A
    ?
    Manufacturer substitution
    This part replaces 632019. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    In Stock
    $8.89 | 
    10% OFF 
    Phone Price: $9.89
    Lawn & Garden Equipment Engine Oil, SAE 30, 1-qt#420

    Engine hm80-155644s Diagram

    Oil

    Part #730225
    Replaced by #25-357-03-S
    ?
    Manufacturer substitution
    This part replaces 730225. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $9.19 | 
    34% OFF 
    MSRP: $14.00
    Lawn & Garden Equipment Engine Air Filter#171

    Engine hm80-155644s Diagram

    Lawn & garden equipment engine air filter

    Part #28424
    BEST SELLER
    This item is not returnable
    In Stock
    $4.09 | 
    20% OFF 
    Phone Price: $5.09
    Lawn & Garden Equipment Engine Carburetor Rebuild Kit#NI

    Carburetor 640125 Diagram

    Repair kit

    Part #632760
    Replaced by #49-019
    ?
    Manufacturer substitution
    This part replaces 632760. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $15.76 | 
    26% OFF 
    Was: $21.39
    Lawn & Garden Equipment Engine Carburetor O-Ring#37

    Carburetor 640125 Diagram

    Lawn & garden equipment engine carburetor o-ring

    Part #632547
    BEST SELLER
    This item is not returnable
    In Stock
    $2.49 | 
    40% OFF 
    MSRP: $4.15
    Lawn & Garden Equipment Engine Spark Plug Boot#101

    Engine hm80-155644s Diagram

    Lawn & garden equipment engine spark plug boot

    Part #610118
    BEST SELLER
    This item is not returnable
    In Stock
    $4.49 | 
    25% OFF 
    MSRP: $6.00
    Lawn & Garden Equipment Engine Fuel Tank#300

    Engine hm80-155644s Diagram

    In Stock
    $47.99 | 
    9% OFF 
    Phone Price: $52.99

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