Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Please enter one or more characters
Scan Icon
Tips to find your model number
Water filter finder tool
Top DIY repair help
View All Repair Categories

Appliances

Lawn & Garden

Power Tools

Home Improvement

Sports & Leisure

Heating & Cooling

View all parts by brand
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Lawn & Garden Engine

Model # 143993503 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143993503 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
143993503 Engine
Troybilt Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#60

Carburetor 640172 diagram

Troybilt lawn & garden equipment engine carburetor rebuild kit (replaces 632760a, 632809)

Part #632760B

BEST SELLER
$25.02 | 
19% OFF Phone Price : $31.02
Back Order
Startrer 590695
#11

Rewind starter diagram

Startrer

Part #590695

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

Ignition Module 34443B
#100

Engine 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 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
Lawn & Garden Equipment Engine Carburetor Float Bowl Washer (replaces 49-084) 27110A
#44

Carburetor 640172 diagram

Lawn & garden equipment engine carburetor float bowl washer (replaces 49-084)

Part #27110A

BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
Back Order
Generac Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Engine 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
Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Engine 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
Troybilt Lawn & Garden Equipment Engine Air Filter Collar Gasket 34338
#239

Engine 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
Lawn & Garden Equipment Engine Fuel Tank Cap 35355
#301

Engine diagram

Lawn & garden equipment engine fuel tank cap

Part #35355

Replaced by #37845

?
Manufacturer substitution
This part replaces 35355. Substitute parts can look different from the original.
$9.59 | 
9% OFF Phone Price : $10.59
Back Order
Troybilt Lawn & Garden Equipment O-ring 35499
#307

Engine diagram

Troybilt lawn & garden equipment o-ring

Part #35499

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

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

View all
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.…

Read more
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.…

Read more

Parts & More