Aircap
Gas Snowblower

Model # 8431 Official Aircap snow thrower

Here are the diagrams and repair parts for Official Aircap 8431 snow thrower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 87 parts  |

Knob Assembly 720-0241
#95

Replacement parts diagram

Knob assembly

Part #720-0241

Replaced by #720-04072A

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Manufacturer substitution
This part replaces 720-0241. Substitute parts can look different from the original.
BEST SELLER
$8.69
10% OFF Phone Price : $9.69
In Stock
Bearing 741-0124
#61

Replacement parts diagram

Bearing

Part #741-0124

Replaced by #941-0600

?
Manufacturer substitution
This part replaces 741-0124. Substitute parts can look different from the original.
BEST SELLER
$26.71
18% OFF Phone Price : $32.71
In Stock
Keeper 731-0851
#65

Replacement parts diagram

Keeper

Part #731-0851

Replaced by #731-0851A

?
Manufacturer substitution
This part replaces 731-0851. Substitute parts can look different from the original.
This item is not returnable
$5.37
16% OFF Phone Price : $6.37
In Stock
Aircap Lawn Tractor Screw (replaces 150011, 910-0134) 710-0134
#69

Replacement parts diagram

Aircap lawn tractor screw (replaces 150011, 910-0134)

Part #710-0134

$6.55
13% OFF Phone Price : $7.55
In Stock
Grommet 735-0218A
#21

Replacement parts diagram

Grommet

Part #735-0218A

Replaced by #941-0475

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Manufacturer substitution
This part replaces 735-0218A. Substitute parts can look different from the original.
This item is not returnable
$5.24
16% OFF Phone Price : $6.24
In Stock
Screw 710-1003
#79

Replacement parts diagram

Screw

Part #710-1003

Replaced by #710-04669

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Manufacturer substitution
This part replaces 710-1003. Substitute parts can look different from the original.
This item is not returnable
$5.22
16% OFF Phone Price : $6.22
In Stock
Aircap Tiller Idler Pulley 756-0313
#46

Replacement parts diagram

Aircap tiller idler pulley

Part #756-0313

This item is not returnable
$29.47
17% OFF Phone Price : $35.47
In Stock
Aircap Snowblower Speed Nut 726-0221
#88

Replacement parts diagram

Aircap snowblower speed nut

Part #726-0221

This item is not returnable
$9.33
10% OFF Phone Price : $10.33
In Stock
Screw 710-0442
#40

Replacement parts diagram

Screw

Part #710-0442

Replaced by #710-0805A

?
Manufacturer substitution
This part replaces 710-0442. Substitute parts can look different from the original.
This item is not returnable
In Stock
Aircap Trus Mch Scr 710-0323
#63

Replacement parts diagram

Aircap trus mch scr

Part #710-0323

This item is not returnable
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your snowblowers

Use the advice and tips in these articles and videos to get the most out of your snowblower.

How to make your snowblower last longer

How to make your snowblower last longer

Learn the steps to take to adjust and maintain your snowblower so it lasts longer.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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.…