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
Cap 36246
#301

Craftsman 4-cycle engine diagram

Cap

Part #36246

Replaced by #37844

?
Manufacturer substitution
This part replaces 36246. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.69
13% OFF Phone Price : $7.69
Back Order
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Air Filter (replaces 28424l) 28424
#171

Craftsman 4-cycle engine diagram

Cook top side trim kit lawn & garden equipment engine air filter (replaces 28424l)

Part #28424

BEST SELLER
This item is not returnable
$4.14
19% OFF Phone Price : $5.14
In Stock
Troybilt Lawn & Garden Equipment O-ring 35499
#307

Craftsman 4-cycle 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
Generac Lawn & Garden Equipment Engine Service Manual (replaces 692509, 730546, 740048) 740049
#NI

Craftsman 4-cycle engine diagram

Generac 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
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
9% OFF Phone Price : $64.79
In Stock
Lawn & Garden Equipment Engine Fuel Tank (replaces 34156, 34156a, 34160, 34160a, 34186, Ap-2238) 34186A
#300

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine fuel tank (replaces 34156, 34156a, 34160, 34160a, 34186, ap-2238)

Part #34186A

$45.98
12% OFF Phone Price : $51.98
In Stock
Lawn & Garden Equipment Engine Locking Plate 31588
#276

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine locking plate

Part #31588

This item is not returnable
$4.27
19% OFF Phone Price : $5.27
In Stock
Lawn & Garden Equipment Engine Speed Control Spring 34663
#19

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine speed control spring

Part #34663

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

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

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

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

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.…