Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Craftsman
Lawn & Garden Engine

Model # 143800012 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143800012 4-cycle 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 197 parts  |
Lawn & Garden Equipment Torx Screw 30063
#82

Replacement parts diagram

Lawn & garden equipment torx screw

Part #30063

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Washer 8345
#56

Replacement parts diagram

Washer

Part #8345

This item is not returnable
$2.16
In Stock
Lawn & Garden Equipment Engine Starter Pinion Gear Retainer Ring 33842
#2

Starter motor diagram

Lawn & garden equipment engine starter pinion gear retainer ring

Part #33842

This item is not returnable
$4.43
In Stock
Lawn & Garden Equipment Engine Valve Keeper 33508
#24

Replacement parts diagram

Lawn & garden equipment engine valve keeper

Part #33508

$10.37
In Stock
Adjustment Spring 632452
#23

Replacement parts diagram

Adjustment spring

Part #632452

This item is not returnable
$3.86
In Stock
Spring 632451
#22

Replacement parts diagram

Spring

Part #632451

This item is not returnable
$4.14
In Stock
Armature 33846
#9

Starter motor diagram

Armature

Part #33846

$130.42
In Stock
Connecting Rod 35243
#14A

Replacement parts diagram

Connecting rod

Part #35243

$140.92
In Stock
Nut 7975
#63

Replacement parts diagram

Nut

Part #7975

This item is not returnable
$2.16
In Stock
Screw 650738
#109

Replacement parts diagram

Screw

Part #650738

This item is not returnable
$4.14
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for front-engine lawn tractors

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.…

Read more
Repair difficulty
Time required
 45 minutes or less
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…

Read more
Repair difficulty
Time required
 30 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.…

Read more
Repair difficulty
Time required
 45 minutes or less

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