Tecumseh
Lawn & Garden Engine

Model # TC300 Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh TC300 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 98 parts  |

Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#101

Tecumseh engine diagram

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

Part #610118

This item is not returnable
$5.24
22% OFF MSRP : $6.70
In Stock
Lawn & Garden Equipment Engine Air Filter Screen 450255
#245A

Tecumseh engine 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
Pulley 590693
#8

Recoil starter diagram

Pulley

Part #590693

Replaced by #590779

?
Manufacturer substitution
This part replaces 590693. Substitute parts can look different from the original.
This item is not returnable
$23.59
17% OFF Phone Price : $28.59
In Stock
Screw 650985
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
17% OFF Phone Price : $28.59
In Stock
Spring 590691
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
17% OFF Phone Price : $28.59
In Stock
Starter Pawl 590692
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
17% OFF Phone Price : $28.59
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 410246, 410250, 410276, 410282) 410246A
#290

Tecumseh engine 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
Lawn Mower Fuel Cap 410280
#301

Tecumseh engine diagram

Lawn mower fuel cap

Part #410280

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

Tecumseh engine 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
Rope 590639
#12

Recoil starter diagram

Rope

Part #590639

Replaced by #590639A

?
Manufacturer substitution
This part replaces 590639. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for gas ranges

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

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

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.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

Repair difficulty
Time required
 30 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…

Repair difficulty
Time required
 60 minutes or less

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

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.…

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.…