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
Tecumseh
Lawn & Garden Engine

Model # TC300-3104 Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh TC300-3104 engine, 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.

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 94 parts  |
Lawn & Garden Equipment Engine Air Filter 450252
#246

Replacement parts diagram

Lawn & garden equipment engine air filter

Part #450252

This item is not returnable
$4.09 | 
20% OFF Phone Price : $5.09
In Stock
Lawn & Garden Equipment Engine Ignition Coil (replaces 611291) 611056
#100

Replacement parts diagram

Lawn & garden equipment engine ignition coil (replaces 611291)

Part #611056

$65.99 | 
7% OFF Phone Price : $70.99
In Stock
Lawn & Garden Equipment Engine Exhaust Gasket 510347
#269

Replacement parts diagram

Lawn & garden equipment engine exhaust gasket

Part #510347

This item is not returnable
$3.91
In Stock
Lawn & Garden Equipment Engine Primer Assembly 570704
#350

Replacement parts diagram

Lawn & garden equipment engine primer assembly

Part #570704

This item is not returnable
$11.26
In Stock
Lawn & Garden Equipment Engine Air Cleaner Cover 450253
#250

Replacement parts diagram

Lawn & garden equipment engine air cleaner cover

Part #450253

This item is not returnable
$12.00 | 
14% OFF Phone Price : $14.00
In Stock
Lawn & Garden Equipment Engine Carburetor Diaphragm And Gasket Kit 632934
#70

Carburetor no. 632900 diagram

Lawn & garden equipment engine carburetor diaphragm and gasket kit

Part #632934

$28.79 | 
15% OFF Phone Price : $33.79
In Stock
Lawn & Garden Equipment Engine Muffler 390322
#275

Replacement parts diagram

Lawn & garden equipment engine muffler

Part #390322

$46.09 | 
10% OFF Phone Price : $51.09
In Stock
Lawn & Garden Equipment Engine Flywheel Key 611054
#89

Replacement parts diagram

Lawn & garden equipment engine flywheel key

Part #611054

This item is not returnable
$2.16
In Stock
Lawn & Garden Equipment Engine Nut 650954
#298

Replacement parts diagram

Lawn & garden equipment engine nut

Part #650954

This item is not returnable
$2.16
In Stock
Screw 650844
#79

Replacement parts diagram

Screw

Part #650844

This item is not returnable
$2.16
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

View all

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

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

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

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 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 won't my snowblower chute turn?

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

Read more

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 does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

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

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 snowblower skid shoes

How to replace snowblower skid shoes

To prevent damage to your snowblower auger, replace the skid shoes when both sides of the shoe are worn. It's an easy re…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower electric starter

How to replace a snowblower electric starter

Replace the electric starter on your snowblower if it doesn't work.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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

View all
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
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.…

Read more

Parts & More

Room Air Conditioner
LG Parts Room Air Conditioner