Craftsman
Lawn & Garden Engine

Model #143991101 Official Craftsman engine

Here are the diagrams and repair parts for Craftsman 143991101 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 179 parts

    Lawn & Garden Equipment Engine Carburetor Rebuild Kit#(NI)

    Carburetor 640054 (71/143) Diagram

    In Stock
    $18.33 | 
    20% OFF 
    Was: $22.91
    Lawn & Garden Equipment Engine Carburetor Needle Valve Kit#30

    Carburetor 640054 (71/143) Diagram

    Needle seat

    Part #631021
    Replaced by #631021B
    ?
    Manufacturer substitution
    This part replaces 631021. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    In Stock
    $5.83 | 
    20% OFF 
    Was: $7.29
    Lawn & Garden Equipment Engine Fuel Tank Cap#301

    Craftsman 4-cycle engine mod. 143.991101 Diagram

    Lawn & garden equipment engine fuel tank cap

    Part #35355
    Replaced by #37845
    ?
    Manufacturer substitution
    This part replaces 35355. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $9.59 | 
    9% OFF 
    Phone Price: $10.59
    Lawn & Garden Equipment Engine Fuel Line#351

    Craftsman 4-cycle engine mod. 143.991101 Diagram

    Lawn & garden equipment engine fuel line

    Part #32180C
    BEST SELLER
    This item is not returnable
    In Stock
    $2.89 | 
    26% OFF 
    Phone Price: $3.89
    Lawn & Garden Equipment Engine Carburetor Float Bowl Washer#44

    Carburetor 640054 (71/143) Diagram

    Gasket

    Part #27110
    Replaced by #27110A
    ?
    Manufacturer substitution
    This part replaces 27110. 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

    Craftsman 4-cycle engine mod. 143.991101 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
    Snowblower Ignition Key#328

    Craftsman 4-cycle engine mod. 143.991101 Diagram

    Ignition key

    Part #35593
    Replaced by #35062
    ?
    Manufacturer substitution
    This part replaces 35593. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    In Stock
    $4.09 | 
    20% OFF 
    Phone Price: $5.09
    Lawn & Garden Equipment Engine Carburetor Float#28

    Carburetor 640054 (71/143) 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 Carburetor Primer Assembly#350

    Craftsman 4-cycle engine mod. 143.991101 Diagram

    In Stock
    $11.79 | 
    15% OFF 
    Phone Price: $13.79
    Lawn & Garden Equipment Engine Throttle Control Knob#215

    Craftsman 4-cycle engine mod. 143.991101 Diagram

    Lawn & garden equipment engine throttle control knob

    Part #35440
    BEST SELLER
    This item is not returnable
    In Stock
    $4.09 | 
    20% OFF 
    Phone Price: $5.09

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