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 # TC300-3173G Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh TC300-3173G 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 71 parts  |
Lawn & Garden Equipment Engine Air Filter 450252
#245

No image available diagram

Lawn & garden equipment engine air filter

Part #450252

This item is not returnable
$4.09 | 
20% OFF Phone Price : $5.09
In Stock
Screw 650985
#91B

No image available diagram

Screw

Part #650985

Replaced by #590779

?
Manufacturer substitution
This part replaces 650985. Substitute parts can look different from the original.
This item is not returnable
$23.59 | 
20% OFF Phone Price : $29.59
In Stock
Starter Pawl 590692
#91A

No image available diagram

Starter pawl

Part #590692

Replaced by #590779

?
Manufacturer substitution
This part replaces 590692. Substitute parts can look different from the original.
This item is not returnable
$23.59 | 
20% OFF Phone Price : $29.59
In Stock
Spring 590691
#91

No image available diagram

Spring

Part #590691

Replaced by #590779

?
Manufacturer substitution
This part replaces 590691. Substitute parts can look different from the original.
This item is not returnable
$23.59 | 
20% OFF Phone Price : $29.59
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 410246, 410250, 410276, 410282) 410246A
#290

No image available diagram

Lawn & garden equipment engine fuel line (replaces 410246, 410250, 410276, 410282)

Part #410246A

This item is not returnable
$8.46 | 
11% OFF Phone Price : $9.46
In Stock
Troybilt Lawn & Garden Equipment Engine Governor Spring (replaces 570711) 570716
#19

No image available diagram

Troybilt lawn & garden equipment engine governor spring (replaces 570711)

Part #570716

This item is not returnable
$5.40
In Stock
Troybilt Lawn Mower Fuel Cap 410280
#301

No image available diagram

Troybilt lawn mower fuel cap

Part #410280

This item is not returnable
$8.20
In Stock
Lawn & Garden Equipment Engine Oil Seal 510319
#78

No image available diagram

Lawn & garden equipment engine oil seal

Part #510319

$8.20
In Stock
Lawn & Garden Equipment Engine Thread Insert 650964
#243A

No image available diagram

Lawn & garden equipment engine thread insert

Part #650964

This item is not returnable
$2.16
In Stock
Lawn & Garden Equipment Engine Air Cleaner Cover 450253
#250

No image available 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

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Read more

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Read more

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Read more
Repair difficulty
Time required
 15 minutes or less

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

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