Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
MTD
Gas Snowblower

Model # 31BE5MLG729 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31BE5MLG729 snow thrower, 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.

Owner’s manual

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 188 parts  |
Lawn & Garden Equipment Cotter Pin, 1/4- To 5/16-in 714-04040
Lawn & garden equipment cotter pin, 1/4- to 5/16-in

Part #714-04040

BEST SELLER
This item is not returnable
$3.00 | 
25% OFF Phone Price : $4.00
In Stock
Snowblower Auger Clutch Cable 746-04230
#56

Auger & housing diagram

Snowblower auger clutch cable

Part #746-04230

Replaced by #946-04230B

?
Manufacturer substitution
This part replaces 746-04230. Substitute parts can look different from the original.
BEST SELLER
$26.49 | 
18% OFF Phone Price : $32.49
Back Order
Troybilt Snowblower Shear Pin (replaces 738-04124) 738-04124A
#41

Auger & housing diagram

Troybilt snowblower shear pin (replaces 738-04124)

Part #738-04124A

BEST SELLER
This item is not returnable
$3.08 | 
25% OFF Phone Price : $4.08
In Stock
Belt 754-04050
#72

Drive/wheels diagram

Belt

Part #754-04050

Replaced by #256963

?
Manufacturer substitution
This part replaces 754-04050. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$32.00 | 
16% OFF Phone Price : $38.00
In Stock
Ace Lawn & Garden Equipment Self-tapping Bolt, 5/16-18 X 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, Gw-7101260) 710-1260A
#52

Handle/chute/light diagram

Ace lawn & garden equipment self-tapping bolt, 5/16-18 x 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, gw-7101260)

Part #710-1260A

BEST SELLER
This item is not returnable
$4.25 | 
19% OFF Phone Price : $5.25
In Stock
Yard Machines Lawn Tractor Flange Nut (replaces 00012173, Wd-129-103) 712-04065
Yard machines lawn tractor flange nut (replaces 00012173, wd-129-103)

Part #712-04065

BEST SELLER
This item is not returnable
$5.27 | 
16% OFF Phone Price : $6.27
In Stock
Yard Machines Lawn & Garden Equipment Nut 712-04064
Yard machines lawn & garden equipment nut

Part #712-04064

BEST SELLER
This item is not returnable
$4.49 | 
18% OFF Phone Price : $5.49
In Stock
Shave Plate 790-00118
#25

Auger & housing diagram

Shave plate

Part #790-00118

Replaced by #790-00118-0637

?
Manufacturer substitution
This part replaces 790-00118. Substitute parts can look different from the original.
BEST SELLER
$41.50 | 
13% OFF Phone Price : $47.50
In Stock
Worm Gear 717-0528A
#39

Auger & housing diagram

Worm gear

Part #717-0528A

Replaced by #917-04861

?
Manufacturer substitution
This part replaces 717-0528A. Substitute parts can look different from the original.
BEST SELLER
$43.60 | 
12% OFF Phone Price : $49.60
In Stock
Knob Wing Nut 720-0284
#46

Handle/chute/light diagram

Knob wing nut

Part #720-0284

Replaced by #720-04072A

?
Manufacturer substitution
This part replaces 720-0284. Substitute parts can look different from the original.
BEST SELLER
$9.33 | 
10% OFF Phone Price : $10.33
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

View all

Why doesn't my snowblower auger turn?

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Read more

Why won't my snowblower clear snow well?

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

Read more

Why won't my snowblower start?

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

Read more

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

Read more

Why won't my snowblower throw snow far enough?

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

Read more

How do I tune up my snowblower?

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

Read more

Why does my snowblower engine run rough?

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

Read more

Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

Read more

Why doesn't my snowblower self propel?

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

Read more

Repair guides for gas snowblowers

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

View all
How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Read more
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.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to rebuild a snowblower carburetor

How to rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…

Read more
Repair difficulty
Time required
 45 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.

View all
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.…

Read more
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.…

Read more
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.…

Read more

Parts & More