Craftsman
Lawn & Garden Engine

Model # 143998001 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143998001 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 150 parts  |

Spark Plug 33636
#135

Craftsman 4-cycle engine diagram

Spark plug

Part #33636

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 33636. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.80
17% OFF Phone Price : $5.80
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
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 Air Filter 33268
#245

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine air filter

Part #33268

This item is not returnable
$16.59
11% OFF Phone Price : $18.59
In Stock
Lawn & Garden Equipment Engine Service Manual (replaces 692509, 730546, 740048) 740049
#NI

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine service manual (replaces 692509, 730546, 740048)

Part #740049

This item is not returnable
$12.19
14% OFF Phone Price : $14.19
In Stock
Lawn & Garden Equipment O-ring 35499
#307

Craftsman 4-cycle engine diagram

Lawn & garden equipment o-ring

Part #35499

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lamination 35135
#100

Craftsman 4-cycle engine diagram

Lamination

Part #35135

Replaced by #35135B

?
Manufacturer substitution
This part replaces 35135. Substitute parts can look different from the original.
$58.79
8% OFF Phone Price : $63.79
In Stock
Lawn & Garden Equipment Engine Recoil Starter Handle (replaces 590443, 590452) 590701
Lawn & garden equipment engine recoil starter handle (replaces 590443, 590452)

Part #590701

This item is not returnable
$7.80
11% OFF Phone Price : $8.80
In Stock
Lawn & Garden Equipment Engine Pre-filter 35881
#245A

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine pre-filter

Part #35881

This item is not returnable
$6.16
14% OFF Phone Price : $7.16
In Stock
Starter 590746
Starter

Part #590746

Replaced by #590788

?
Manufacturer substitution
This part replaces 590746. Substitute parts can look different from the original.
$58.09
8% OFF Phone Price : $63.09
In Stock
Starter 590704
#0

Recoil starter 590704 diagram

Starter

Part #590704

Replaced by #590788

?
Manufacturer substitution
This part replaces 590704. Substitute parts can look different from the original.
$58.09
8% OFF Phone Price : $63.09
In Stock

Repair guides for bottom-mount refrigerators

How to replace an electronic control board on the back of a refrigerator

How to replace an electronic control board on the back of a refrigerator

If your refrigerator isn't running, an electronic control board failure could be the problem. A service technician can d…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator thermistor

How to replace a refrigerator thermistor

The thermistor senses the temperature inside the refrigerator. If the actual temperature and the temperature you set are…

Repair difficulty
Time required
 15 minutes or less
How to replace an in-door ice maker on a French door refrigerator

How to replace an in-door ice maker on a French door refrigerator

Follow these step-by-step instructions how to replace the in-door ice maker in Kenmore TRIO and LG French door refrigera…

Repair difficulty
Time required
 15 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.…