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Model # 143236122 Official Craftsman 4-cycle engine
Here are the diagrams and repair parts for Official Craftsman 143236122 4-cycle engine, as well as links to manuals and error code tables, if available.
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143236122 4-Cycle Engine
#12
Carburetor diagram
Needle seat
Part #631021
Replaced by #631021B
?
Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
This item is not returnable
$9.79 |
9% OFF Phone Price : $10.79
Back Order
#21
Carburetor diagram
Gasket
Part #27110
Replaced by #27110A
?
Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
Back Order
#9
Rewind starter diagram
Starter rope
Part #590456
Replaced by #590535
?
Manufacturer substitution
This part replaces 590456. Substitute parts can look different from the original.
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
Back Order
#134
Basic engine diagram
Fuel line
Part #29774
The manufacturer no longer makes this part, and there's no substitute part
#14
Carburetor diagram
Carburetor float
Part #631023
Replaced by #632019A
?
Manufacturer substitution
This part replaces 631023. Substitute parts can look different from the original.
This item is not returnable
$8.89 |
10% OFF Phone Price : $9.89
In Stock
#15
Carburetor diagram
Troybilt carburetor float
Part #631024
This item is not returnable
$2.16
In Stock
#13
Magneto diagram
Lauson lawn & garden equipment engine ignition coil (replaces 29632, 30546, 30560)
Part #30560A
$47.09 |
11% OFF Phone Price : $53.09
In Stock
#88
Basic engine diagram
Screw
Part #28820
The manufacturer no longer makes this part, and there's no substitute part
#18
Carburetor diagram
Carburetor lawn & garden equipment engine gasket
Part #27554
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
In Stock
#13
Carburetor diagram
Lawn & garden equipment engine carburetor float pin
Part #631022
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
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
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
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
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.

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

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