Craftsman
Lawn & Garden Engine

Model # 143986500 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143986500 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  |

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 Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#(NI)

Carburetor 640069 diagram

Lawn & garden equipment engine carburetor rebuild kit (replaces 632760a, 632809)

Part #632760B

BEST SELLER
$23.60
17% OFF Phone Price : $28.60
In Stock
Primer 36045
#35

Carburetor 640069 diagram

Primer

Part #36045

Replaced by #36045A

?
Manufacturer substitution
This part replaces 36045. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.74
13% OFF Phone Price : $7.74
In Stock
Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#184

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756

BEST SELLER
This item is not returnable
$3.03
36% OFF MSRP : $4.70
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
$46.33
10% OFF Phone Price : $51.33
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
Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine fuel line clamp

Part #26460

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Gasket 27110
#44

Carburetor 640069 diagram

Gasket

Part #27110

Replaced by #27110A

?
Manufacturer substitution
This part replaces 27110. 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
Float 632019
#28

Carburetor 640069 diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
In Stock
Lawn & Garden Equipment Engine Air Filter Collar Gasket 34338
#239

Craftsman 4-cycle engine diagram

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

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

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.…