Craftsman
Lawn & Garden Engine

Model # 143701012 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143701012 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 179 parts  |

Lawn Mower O-ring 631028
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
Spark Plug 33636
#37

Engine diagram

Spark plug

Part #33636

Replaced by #861

?
Manufacturer substitution
This part replaces 33636. Substitute parts can look different from the original.
This item is not returnable
In Stock
Needle Seat 631021
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
Starter Rope 590386
#9

Rewind starter diagram

Starter rope

Part #590386

Replaced by #590535

?
Manufacturer substitution
This part replaces 590386. 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
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
Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
Troybilt lawn & garden equipment engine carburetor float bowl (replaces 631025, 632808)

Part #631867

This item is not returnable
$3.49
22% OFF Phone Price : $4.49
In Stock
Lawn & Garden Equipment Throttle Shaft Return Spring (replaces 630731, 631279, 631279a, 631279l, 632016) 631767
#2

Replacement parts diagram

Lawn & garden equipment throttle shaft return spring (replaces 630731, 631279, 631279a, 631279l, 632016)

Part #631767

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Spring 632016
#2

Carburetor diagram

Spring

Part #632016

Replaced by #631767

?
Manufacturer substitution
This part replaces 632016. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Screw 28942
#103

Engine diagram

Lawn & garden equipment engine screw

Part #28942

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Control Assembly 33879A
#91

Engine diagram

Control assembly

Part #33879A

Replaced by #36677

?
Manufacturer substitution
This part replaces 33879A. Substitute parts can look different from the original.
$39.34
13% OFF Phone Price : $45.34
In Stock

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.…