Craftsman
Lawn & Garden Engine

Model # 143984502 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143984502 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 154 parts  |

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
$9.79
9% OFF Phone Price : $10.79
Back Order
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
Ignition Module 34443B
#100

Engine 143.984502 diagram

Ignition module

Part #34443B

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443B. Substitute parts can look different from the original.
BEST SELLER
$45.43
12% OFF Phone Price : $51.43
In Stock
Generac Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Engine 143.984502 diagram

Generac lawn & garden equipment engine fuel line (replaces 14306, 34357)

Part #29774

BEST SELLER
This item is not returnable
$5.99
14% OFF Phone Price : $6.99
Back Order
Cap 36246
#301

Engine 143.984502 diagram

Cap

Part #36246

Replaced by #37844

?
Manufacturer substitution
This part replaces 36246. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.69
13% OFF Phone Price : $7.69
Back Order
Troybilt Lawn & Garden Equipment Engine Air Filter Collar Gasket 34338
#239

Engine 143.984502 diagram

Troybilt 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
Carburetor 640076A
#0

Carburetor 640076a diagram

Carburetor

Part #640076A

Replaced by #640262A

?
Manufacturer substitution
This part replaces 640076A. Substitute parts can look different from the original.
BEST SELLER
$80.81
7% OFF Phone Price : $86.81
In Stock
Carburetor 640124
Carburetor

Part #640124

Replaced by #640262A

?
Manufacturer substitution
This part replaces 640124. Substitute parts can look different from the original.
BEST SELLER
$80.81
7% OFF Phone Price : $86.81
In Stock
Float 632019
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
In Stock

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.…