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Craftsman 143973091 engine Parts
Here are the diagrams and repair parts for Craftsman 143973091 engine, as well as links to manuals and error code tables, if available.
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Engine (71/143) 143.973091 diagram
Lawn & Garden Equipment Engine Carburetor Nut
Part #650633Replaced by #650633A
Manufacturer substitutionThis part replaces 650633. Substitute parts can look different from the original.This item is not returnableIn Stock$2.16
Qty
Starter
Part #590712Replaced by #590784
Manufacturer substitutionThis part replaces 590712. Substitute parts can look different from the original.In Stock$48.2911% OFF Phone Price : $54.29
QtyCarburetor 632714 (71/143) diagram
Throttle Shutter
Part #631621Replaced by #631616
Manufacturer substitutionThis part replaces 631621. Substitute parts can look different from the original.This item is not returnableIn Stock$2.16QtyEngine (71/143) 143.973091 diagram
Connecting Rod
Part #310235BReplaced by #310235C
Manufacturer substitutionThis part replaces 310235B. Substitute parts can look different from the original.In Stock$30.78QtyRewind starter 590743 diagram
Pulley
Part #590645A
The manufacturer no longer makes this part, and there's no substitute part
Engine (71/143) 143.973091 diagram
Crankshaft
Part #290607
The manufacturer no longer makes this part, and there's no substitute part
Engine (71/143) 143.973091 diagram
Short Block
Part #710513
The manufacturer no longer makes this part, and there's no substitute part
Engine (71/143) 143.973091 diagram
Lawn & Garden Equipment Engine Muffler
Part #390330
The manufacturer no longer makes this part, and there's no substitute part
Engine (71/143) 143.973091 diagram
Cover Plate
Part #570644
The manufacturer no longer makes this part, and there's no substitute part
Engine (71/143) 143.973091 diagram
Lubrication Decal
Part #36261
The manufacturer no longer makes this part, and there's no substitute part
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.…
Learn about the main parts of a lawn mower and when to replace parts.…
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