Craftsman
Lawn & Garden Engine

Model # 143043800 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143043800 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 133 parts  |

Lawn Mower O-ring 631028
#29

Carburetor diagram

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
#30

Carburetor diagram

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
$10.12
17% OFF Phone Price : $12.12
In Stock
Repair Kit 632760
#60

Carburetor diagram

Repair kit

Part #632760

Replaced by #632760B

?
Manufacturer substitution
This part replaces 632760. Substitute parts can look different from the original.
BEST SELLER
$23.60
17% OFF Phone Price : $28.60
In Stock
Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#184

Engine assembly diagram

Lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756

BEST SELLER
This item is not returnable
$3.03
36% OFF MSRP : $4.70
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Engine assembly diagram

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

Carburetor 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
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
#12

Rewind starter diagram

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
Lawn & Garden Equipment Engine Fuel Tank Cap 35355
#301

Engine assembly 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.
BEST SELLER
$9.59
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine O-ring (replaces 36996) 37610
#306

Engine assembly diagram

Lawn & garden equipment engine o-ring (replaces 36996)

Part #37610

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Oil Seal 27897
#75

Engine assembly diagram

Lawn & garden equipment engine oil seal

Part #27897

BEST SELLER
This item is not returnable
$4.69
48% OFF MSRP : $9.00
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 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 treadmill.

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.…