MTD
Gas Snowblower

Model #310-450-000 MTD snow thrower

Here are the repair parts and diagrams for your MTD 310-450-000 snow thrower. 

The diagram(s) below can help you find the right part.  If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.

On this page, you can also find any manuals, installation guides and error code tables associated with this model.

For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

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Showing 10 of 218 parts

Lawn & Garden Equipment Carriage Bolt

#6

Snow throwers page 6 Diagram

Lawn & garden equipment carriage bolt

Part #710-0451
This item is not returnable
$3.59
10% OFFMSRP:$4.00

In Stock

Lawn & Garden Equipment Carriage Bolt

#2

Snow throwers page 6 Diagram

Lawn & garden equipment carriage bolt

Part #710-0276
This item is not returnable
$2.71
10% OFFMSRP:$3.00

In Stock

Lawn & Garden Equipment Screw

#17

Snow throwers/wheel charts page 2 Diagram

Lawn & garden equipment screw

Part #710-0538
This item is not returnable
$3.06

In Stock

Snowblower Chute Handle

#14

Snow throwers Diagram

Snowblower chute handle

Part #720-0201A
This item is not returnable
$6.78
11% OFFMSRP:$7.60

In Stock

Lawn & Garden Equipment Pulley

#54

Snow throwers page 3 Diagram

$22.85

In Stock

Lawn & Garden Equipment Screw

#15

Snow throwers page 3 Diagram

Lawn & garden equipment screw

Part #710-0502A
This item is not returnable
$4.15
8% OFFMSRP:$4.50

In Stock

Snowblower Belt Cover

#52

Snow throwers page 3 Diagram

Snowblower belt cover

Part #731-0642
$22.02

In Stock

Lawn & Garden Equipment Bolt

#55

Snow throwers/wheel charts Diagram

Lawn & garden equipment bolt

Part #710-0698
This item is not returnable
$4.38

In Stock

Lawn & Garden Equipment Bolt

#84

Snow throwers page 2 Diagram

Lawn & garden equipment bolt

Part #710-0672
This item is not returnable
$3.02

In Stock

Lawn & Garden Equipment Washer

#45

Snow throwers/wheel charts page 2 Diagram

Lawn & garden equipment washer

Part #736-0315
This item is not returnable
$4.33

In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim
Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets
Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the belts
Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground, engine problems
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems
Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, auger cable problems
Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case
Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect valve lash
Main causes: dirty carburetor, stale fuel

Repair guides for gas snowblowers

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

December 1, 2015
By Lyle Weischwill
How to replace a snowblower spark plug

You need a spark to fire up the engine of your snowblower, and that spark comes from a spark plug. You can replace one in minutes.

Repair difficulty
Time required
 15 minutes or less
December 1, 2015
By Lyle Weischwill
How to replace a snowblower fuel line

Replace the fuel line on your snowblower if it's cracked or damaged.

Repair difficulty
Time required
 30 minutes or less
January 20, 2015
By Lyle Weischwill
How to replace a snowblower shear pin

The shear pin breaks if you hit hard-packed snow, to protect the engine from damage. Your snowblower auger won't rotate until you fix it. You can replace it in about 10 minutes.

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas snowblowers

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

November 1, 2014

How to adjust a snowblower auger control video

By Sears PartsDirect staff

This video shows how to adjust a snowblower's auger control.

November 1, 2014

How to adjust a snowblower drive control video

By Sears PartsDirect staff

Learn how to tighten a snowblower drive control if the drive slips or doesn't engage, and how to loosen it if the snowblower creeps when you disengage the drive.

November 1, 2014

How to adjust a snowblower chute control rod video

By Sears PartsDirect staff

See how to replace the chute control rod on a snowblower.