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 # 143171272 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143171272 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 122 parts  |
O-ring 631028
#25

Carburetor diagram

O-ring

Part #631028

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

Starter Rope 590386
#9

Rewind starter diagram

Starter rope

Part #590386

Replaced by #590535

?
Manufacturer substitution
This part replaces 590386. 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
/carb Float 631023
#14

Carburetor diagram

/carb float

Part #631023

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

Spark Plug 610703
#49

Power head diagram

Spark plug

Part #610703

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

Seal 510105
#9

Power head diagram

Seal

Part #510105

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

Retainer 510106
#10

Power head diagram

Retainer

Part #510106

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

Spring 510109
#11

Power head diagram

Spring

Part #510109

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

Nut 650390
#53

Power head diagram

Nut

Part #650390

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

Washer 630739
#28

Carburetor diagram

Washer

Part #630739

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

Gasket 27554
#18

Carburetor diagram

Gasket

Part #27554

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

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…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace the brake interlock switch on a riding lawn mower

How to replace the brake interlock switch on a riding lawn mower

If the engine won’t start even though the brake is on, the brake interlock switch could be at fault. Here’s how to repla…

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