Lawn & Garden Engine

Model # 143973091 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143973091 engine, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
143973091 Engine
Needle Seat 631021
#30

Carburetor 632714 (71/143) 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
Back Order
Lamination 34443A
#100

Engine (71/143) 143.973091 diagram

Lamination

Part #34443A

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443A. Substitute parts can look different from the original.
BEST SELLER
$41.40
13% OFF Phone Price : $47.40
Back Order
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
Back Order
Float 632019
#28

Carburetor 632714 (71/143) diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
Back Order
Troybilt Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#101

Engine (71/143) 143.973091 diagram

Troybilt lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

This item is not returnable
$5.24
16% OFF Phone Price : $6.24
In Stock
Troybilt Lawn & Garden Equipment Screw 650926
#287

Engine (71/143) 143.973091 diagram

Troybilt lawn & garden equipment screw

Part #650926

This item is not returnable
Back Order
Carburetor Lawn & Garden Equipment Engine Carburetor Bowl Drain Valve 27136A
#32

Carburetor 632714 (71/143) diagram

Carburetor lawn & garden equipment engine carburetor bowl drain valve

Part #27136A

This item is not returnable
$8.09
11% OFF Phone Price : $9.09
Back Order
Lawn & Garden Equipment Engine Air Vane 490291A
#16B

Engine (71/143) 143.973091 diagram

Lawn & garden equipment engine air vane

Part #490291A

This item is not returnable
In Stock
Carburetor Lawn & Garden Equipment Engine Gasket 27554
#33

Carburetor 632714 (71/143) diagram

Carburetor lawn & garden equipment engine gasket

Part #27554

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Troybilt Lawn & Garden Equipment Engine Welch Plug (replaces 53-005) 631027
#48

Carburetor 632714 (71/143) diagram

Troybilt lawn & garden equipment engine welch plug (replaces 53-005)

Part #631027

This item is not returnable
In Stock

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

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
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

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.…