Craftsman
Lawn & Garden Engine

Model # 143983500 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143983500 engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 149 parts  |

Lawn & Garden Equipment Engine Air Filter 35066
#245

Engine 143.983500 diagram

Lawn & garden equipment engine air filter

Part #35066

BEST SELLER
This item is not returnable
$4.81
20% OFF MSRP : $6.00
In Stock
Lawn Mower O-ring 631028
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
In Stock
Needle Seat 631021
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
$9.82
9% OFF Phone Price : $10.82
In Stock
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
Lawn & garden equipment engine carburetor rebuild kit (replaces 632760a, 632809)

Part #632760B

BEST SELLER
$22.91
18% OFF Phone Price : $27.91
In Stock
Repair Kit 632760
#NI

Carburetor 640076a diagram

Repair kit

Part #632760

Replaced by #632760B

?
Manufacturer substitution
This part replaces 632760. Substitute parts can look different from the original.
BEST SELLER
$22.91
18% OFF Phone Price : $27.91
In Stock
Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
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

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Line 34357
#290

Engine 143.983500 diagram

Line

Part #34357

Replaced by #29774

?
Manufacturer substitution
This part replaces 34357. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.99
14% OFF Phone Price : $6.99
In Stock
Lawn & Garden Equipment Engine Air Filter Collar Gasket 34338
#239

Engine 143.983500 diagram

Lawn & garden equipment engine air filter collar gasket

Part #34338

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Float 632019
Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
In Stock
Lawn & Garden Equipment Engine Carburetor O-ring 632547
Lawn & garden equipment engine carburetor o-ring

Part #632547

BEST SELLER
This item is not returnable
$3.64
23% OFF MSRP : $4.70
In Stock

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

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

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.…