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Model # 143943838 Official Craftsman engine
Here are the diagrams and repair parts for Official Craftsman 143943838 engine, as well as links to manuals and error code tables, if available.
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143943838 Engine
#30
Carburetor 632046a 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
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#100
Replacement parts diagram
Lamination
Part #34443A
Replaced by #34443D
?
Manufacturer substitution
This part replaces 34443A. Substitute parts can look different from the original.
$41.40 |
13% OFF Phone Price : $47.40
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#12
Starter 590686 (71/143) diagram
Lawn & garden equipment engine recoil starter rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032)
Part #590535
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
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#250
Replacement parts diagram
Tecumseh lawn & garden equipment engine air filter cover (replaces 35986, b35065)
Part #35065
This item is not returnable
$9.69 |
9% OFF Phone Price : $10.69
In Stock
Carburetor
Part #632046A
Replaced by #632795A
?
Manufacturer substitution
This part replaces 632046A. Substitute parts can look different from the original.
$76.19 |
7% OFF Phone Price : $82.19
In Stock
#292
Replacement parts diagram
Troybilt lawn & garden equipment engine fuel line clamp
Part #26460
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
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#239
Replacement parts diagram
Troybilt lawn & garden equipment engine air filter collar gasket
Part #34338
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
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#28
Carburetor 632046a diagram
Float
Part #632019
Replaced by #632019A
?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
This item is not returnable
$8.89 |
10% OFF Phone Price : $9.89
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#35
Carburetor 632046a diagram
Primer assembly
Part #632047
Replaced by #632047A
?
Manufacturer substitution
This part replaces 632047. Substitute parts can look different from the original.
This item is not returnable
$3.55
In Stock
#75
Replacement parts diagram
Troybilt lawn & garden equipment engine oil seal
Part #27897
This item is not returnable
$7.02 |
12% OFF Phone Price : $8.02
In Stock
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Symptoms for gas walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
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 rebuild a lawn mower carburetor
The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…
Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine
Replace the recoil starter if it doesn't move when you pull the starter rope.…
Repair difficulty
Time required
15 minutes or less
How to replace a lawn mower wheel
Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…
Repair difficulty
Time required
15 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.…