Craftsman
Lawn & Garden Engine

Model # 143986712 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143986712 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 159 parts  |

Lawn & Garden Equipment Engine Air Filter (replaces Taf-124, Tc-36046) 36046
#245

Engine 143.986712 diagram

Lawn & garden equipment engine air filter (replaces taf-124, tc-36046)

Part #36046

BEST SELLER
$9.40
10% OFF Phone Price : $10.40
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

Engine 143.986712 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

Engine 143.986712 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
Back Order
Cap 36246
#301

Engine 143.986712 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
Tractor Accessories Lawn & Garden Equipment Engine Recoil Starter (replaces 590637, 590702) 590739
#0

Starter 590739 div 71/143 diagram

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
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
Troybilt Lawn & Garden Equipment O-ring 35499
#307

Engine 143.986712 diagram

Troybilt lawn & garden equipment o-ring

Part #35499

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Carburetor Gasket 36183
#184

Engine 143.986712 diagram

Lawn & garden equipment engine carburetor gasket

Part #36183

This item is not returnable
In Stock
Troybilt Lawn & Garden Equipment Screw 650926
#287

Engine 143.986712 diagram

Troybilt lawn & garden equipment screw

Part #650926

This item is not returnable
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.…