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Lawn & Garden Engine

Model # 143635042 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143635042 4-cycle engine, as well as links to manuals and error code tables, if available.

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Browse Parts for143635042 4-Cycle Engine

  • Lawn Mower O-ring 631028
    #25

    Carburetor no. 631816 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
    $2.49
    29% OFF Phone Price : $3.49
    Back Order
  • Needle Seat 631021
    #12

    Carburetor no. 631816 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
    $9.49
    10% OFF Phone Price : $10.49
    In Stock
  • Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
    #158

    Engine diagram

    Troybilt lawn & garden equipment engine fuel line clamp

    Part #26460

    BEST SELLER
    This item is not returnable
    $2.49
    29% OFF Phone Price : $3.49
    In Stock
  • Craftsman Lawn & Garden Equipment Engine Air Filter 28424
    #40

    Engine diagram

    Craftsman lawn & garden equipment engine air filter

    Part #28424

    This item is not returnable
    $4.14
    19% OFF Phone Price : $5.14
    In Stock
  • Fuel Bowl 631025
    #16

    Carburetor no. 631816 diagram

    Fuel bowl

    Part #631025

    Replaced by #631867

    ?
    Manufacturer substitution
    This part replaces 631025. Substitute parts can look different from the original.
    This item is not returnable
    $3.49
    22% OFF Phone Price : $4.49
    In Stock
  • Lauson Lawn & Garden Equipment Engine Carburetor Rebuild Kit 31840
    #32

    Carburetor no. 631816 diagram

    Lauson lawn & garden equipment engine carburetor rebuild kit

    Part #31840

    This item is not returnable
    $22.60
    21% OFF Phone Price : $28.60
    In Stock
  • Gasket 27930
    #104

    Engine diagram

    Gasket

    Part #27930

    Replaced by #35865

    ?
    Manufacturer substitution
    This part replaces 27930. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
  • Craftsman Lawn & Garden Equipment Engine Carburetor Bowl Drain Valve 27136A
    #17

    Carburetor no. 631816 diagram

    Craftsman lawn & garden equipment engine carburetor bowl drain valve

    Part #27136A

    This item is not returnable
    $8.09
    11% OFF Phone Price : $9.09
    In Stock
  • Craftsman Lawn & Garden Equipment Engine Screw 650765
    #42

    Engine diagram

    Craftsman lawn & garden equipment engine screw

    Part #650765

    This item is not returnable
    $2.49
    29% OFF Phone Price : $3.49
    In Stock
  • Screw 28820
    #94

    Engine diagram

    Screw

    Part #28820

    Replaced by #651081

    ?
    Manufacturer substitution
    This part replaces 28820. Substitute parts can look different from the original.
    This item is not returnable
    In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

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