Craftsman
Lawn & Garden Engine

Model # 143995002 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143995002 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 147 parts  |

Lawn Mower O-ring 631028
#29

Carburetor 640069 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
Lawn & Garden Equipment Engine Air Filter (replaces 490-200-0021, Taf-128, Tc-36905) 36905
#245

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine air filter (replaces 490-200-0021, taf-128, tc-36905)

Part #36905

BEST SELLER
$7.59
12% OFF Phone Price : $8.59
In Stock
Needle Seat 631021
#30

Carburetor 640069 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
$9.79
9% OFF Phone Price : $10.79
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
Ignition Module 34443B
#100

Craftsman 4-cycle engine diagram

Ignition module

Part #34443B

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443B. Substitute parts can look different from the original.
BEST SELLER
$45.43
12% OFF Phone Price : $51.43
In Stock
Generac Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Craftsman 4-cycle engine diagram

Generac 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
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
In Stock
Troybilt Lawn & Garden Equipment Engine Air Filter Collar Gasket 34338
#239

Craftsman 4-cycle engine diagram

Troybilt lawn & garden equipment engine air filter collar gasket

Part #34338

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Tractor Accessories Lawn & Garden Equipment Engine Recoil Starter (replaces 590637, 590702) 590739
Tractor accessories lawn & garden equipment engine recoil starter (replaces 590637, 590702)

Part #590739

BEST SELLER
$48.58
11% OFF Phone Price : $54.58
In Stock
Starter 590702
#0

Rewind starter diagram

Starter

Part #590702

Replaced by #590739

?
Manufacturer substitution
This part replaces 590702. Substitute parts can look different from the original.
BEST SELLER
$48.58
11% OFF Phone Price : $54.58
In Stock

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor...

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up...

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank...

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor...

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor...

Repair guides for gas leaf blowers

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

How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow ...

Repair difficulty
Time required
60 minutes or less
How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t...

Repair difficulty
Time required
15 minutes or less
How to replace leaf blower fuel lines

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself...

Repair difficulty
Time required
60 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles to get the most out of your leaf blower.

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....