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Craftsman 143986502 engine Parts
Here are the diagrams and repair parts for Craftsman 143986502 engine, as well as links to manuals and error code tables, if available.
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Browse Parts for 143986502 Engine
Starter motor 35709 (71/143) diagram
Spring
Part #34954Replaced by #590654
Manufacturer substitutionThis part replaces 34954. Substitute parts can look different from the original.This item is not returnableIn Stock$4.9717% OFF Phone Price : $5.97
Qty
Engine 143.986502 diagram
Filler Tube
Part #35647Replaced by #35647A
Manufacturer substitutionThis part replaces 35647. Substitute parts can look different from the original.This item is not returnableIn Stock$17.3810% OFF Phone Price : $19.38QtyStarter
Part #35709Replaced by #38753
Manufacturer substitutionThis part replaces 35709. Substitute parts can look different from the original.In Stock$124.74QtyEngine 143.986502 diagram
Lawn & Garden Equipment Washer
Part #30590AReplaced by #651080
Manufacturer substitutionThis part replaces 30590A. Substitute parts can look different from the original.This item is not returnableIn Stock$2.16QtyEngine 143.986502 diagram
Switch
Part #35035Replaced by #35035A
Manufacturer substitutionThis part replaces 35035. Substitute parts can look different from the original.In Stock$21.26QtyEngine 143.986502 diagram
Camshaft
Part #36778Replaced by #37460
Manufacturer substitutionThis part replaces 36778. Substitute parts can look different from the original.In Stock$83.387% OFF Phone Price : $89.38QtyEngine 143.986502 diagram
Muffler
Part #36790Replaced by #36790A
Manufacturer substitutionThis part replaces 36790. Substitute parts can look different from the original.This item is not returnableIn Stock$11.51QtyEngine 143.986502 diagram
Piston Pin
Part #40025Replaced by #40044
Manufacturer substitutionThis part replaces 40025. Substitute parts can look different from the original.In Stock$68.04QtyStarter 590739 div 71/143 diagram
Pulley
Part #590618A
The manufacturer no longer makes this part, and there's no substitute part
Engine 143.986502 diagram
Flywheel
Part #611150
The manufacturer no longer makes this part, and there's no substitute part
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Symptoms for gas walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
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: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
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 front deck tray
Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…
Repair time and Difficulty
60 minutes or less
How to replace a lawn mower transmission
Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…
Repair time and Difficulty
60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine
When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…
Repair time and Difficulty
45 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.…
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