Lawn & Garden Engine

Model # 143985504 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143985504 engine, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for
143985504 Engine
Starter 590694
#390

Engine 143.98504 diagram

Starter

Part #590694

The manufacturer no longer makes this part, and there's no substitute part

Ignition Module 34443B
#100

Engine 143.98504 diagram

Ignition module

Part #34443B

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443B. Substitute parts can look different from the original.
BEST SELLER
$40.75
13% OFF Phone Price : $46.75
In Stock
Tecumseh Lawn & Garden Equipment Engine Air Filter Cover (replaces 35986, B35065) 35065
#250

Engine 143.98504 diagram

Tecumseh lawn & garden equipment engine air filter cover (replaces 35986, b35065)

Part #35065

BEST SELLER
This item is not returnable
$9.69
9% OFF Phone Price : $10.69
In Stock
Generac Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Engine 143.98504 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
Gasket 27110
Gasket

Part #27110

Replaced by #27110A

?
Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
Back Order
Carburetor 632646
#1-48

Carburetor diagram

Carburetor

Part #632646

Replaced by #632795A

?
Manufacturer substitution
This part replaces 632646. Substitute parts can look different from the original.
BEST SELLER
$76.19
7% OFF Phone Price : $82.19
In Stock
Carburetor 632747
Carburetor

Part #632747

Replaced by #632795A

?
Manufacturer substitution
This part replaces 632747. Substitute parts can look different from the original.
BEST SELLER
$76.19
7% OFF Phone Price : $82.19
In Stock
Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Engine 143.98504 diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Cap 36246
#301

Engine 143.98504 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
Gasket 36996
#306

Engine 143.98504 diagram

Gasket

Part #36996

Replaced by #37610

?
Manufacturer substitution
This part replaces 36996. 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

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Repair difficulty
Time required
 45 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair difficulty
Time required
 45 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.…