Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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  |
Troybilt Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#101

No image available diagram

Troybilt lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

This item is not returnable
$5.24 | 
16% OFF Phone Price : $6.24
In Stock
Lawn & Garden Equipment Engine Carburetor 640231
#380

No image available diagram

Lawn & garden equipment engine carburetor

Part #640231

Replaced by #640231A

?
Manufacturer substitution
This part replaces 640231. Substitute parts can look different from the original.
$75.19 | 
7% OFF Phone Price : $81.19
In Stock
Lawn & Garden Equipment Engine Air Filter Screen 450255
#245A

No image available diagram

Lawn & garden equipment engine air filter screen

Part #450255

This item is not returnable
$7.59 | 
12% OFF Phone Price : $8.59
In Stock
Lawn & Garden Equipment Engine Ignition Coil (replaces 611291) 611056
#100

No image available diagram

Lawn & garden equipment engine ignition coil (replaces 611291)

Part #611056

$65.99 | 
8% OFF Phone Price : $71.99
In Stock
Lawn & Garden Equipment Engine Fuel Line Clamp 410253
#292

No image available diagram

Lawn & garden equipment engine fuel line clamp

Part #410253

This item is not returnable
$2.16
In Stock
Screw 650938
#277

No image available diagram

Screw

Part #650938

Replaced by #650988

?
Manufacturer substitution
This part replaces 650938. Substitute parts can look different from the original.
This item is not returnable
$4.59 | 
18% OFF Phone Price : $5.59
In Stock
Lawn & Garden Equipment Engine Throttle Shaft Return Spring 570701
#203

No image available diagram

Lawn & garden equipment engine throttle shaft return spring

Part #570701

This item is not returnable
$2.16
In Stock
Piston Rod 310285A
#39

No image available diagram

Piston rod

Part #310285A

Replaced by #310293

?
Manufacturer substitution
This part replaces 310285A. Substitute parts can look different from the original.
$71.51
In Stock
Plunger 570712
#216

No image available diagram

Plunger

Part #570712

Replaced by #570712A

?
Manufacturer substitution
This part replaces 570712. Substitute parts can look different from the original.
This item is not returnable
$4.31
In Stock
Nut 650580
#178

No image available diagram

Nut

Part #650580

This item is not returnable
$2.16
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

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