Lawn & Garden Engine

Model # 143631840 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143631840 4-cycle engine, as well as links to manuals and error code tables, if available.

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143631840 4-Cycle Engine
Carburetor 631840
#1

Carburetor diagram

Carburetor

Part #631840

Replaced by #632795A

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Manufacturer substitution
This part replaces 631840. Substitute parts can look different from the original.
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$76.19
7% OFF Phone Price : $82.19
In Stock
Fuel Fitting 631775
#26

Carburetor diagram

Fuel fitting

Part #631775

Replaced by #632527

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Manufacturer substitution
This part replaces 631775. Substitute parts can look different from the original.
This item is not returnable
$9.59
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Troybilt Carburetor Float 631024
#15

Carburetor diagram

Troybilt carburetor float

Part #631024

This item is not returnable
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Lawn & Garden Equipment Engine Carburetor Float Pin 631022
#13

Carburetor diagram

Lawn & garden equipment engine carburetor float pin

Part #631022

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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Carburetor Lawn & Garden Equipment Engine Gasket 27554
#18

Carburetor diagram

Carburetor lawn & garden equipment engine gasket

Part #27554

This item is not returnable
$2.49
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Spring Retainer 630731
#2

Carburetor diagram

Spring retainer

Part #630731

Replaced by #631767

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Manufacturer substitution
This part replaces 630731. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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Lawn & Garden Equipment Engine Throttle Shaft 631615
#1A

Carburetor diagram

Lawn & garden equipment engine throttle shaft

Part #631615

This item is not returnable
$10.29
16% OFF Phone Price : $12.29
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Bowl Gasket 631334
#21

Carburetor diagram

Bowl gasket

Part #631334

Replaced by #631334A

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Manufacturer substitution
This part replaces 631334. Substitute parts can look different from the original.
This item is not returnable
$3.59
22% OFF Phone Price : $4.59
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Nut 631617
#22

Carburetor diagram

Nut

Part #631617

In Stock
Lauson Shutter 631616
#3

Carburetor diagram

Lauson shutter

Part #631616

This item is not returnable
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Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

Main causes: clogged drain hole, air conditioner not leveled properly…

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

Repair guides for window air conditioners

These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.

How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

Repair difficulty
Time required
 30 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…

Repair difficulty
Time required
 45 minutes or less

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