Tecumseh
Lawn & Garden Engine

Model # TC300-3204J Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh TC300-3204J 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 102 parts  |

Lawn & Garden Equipment Engine Air Filter 450252
#245

Engine 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 Air Filter Screen 450255
#245A

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
Lawn & Garden Equipment Engine Carburetor 640231
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
6% OFF Phone Price : $80.19
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
Lawn & Garden Equipment Engine Oil Seal 510319
#78

Engine diagram

Lawn & garden equipment engine oil seal

Part #510319

In Stock
Lawn & Garden Equipment Engine Air Cleaner Cover 450253
#250

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
Lawn & Garden Equipment Engine Ignition Coil (replaces 611291) 611056
#100

Engine 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
#274

Engine diagram

Lawn & garden equipment engine exhaust gasket

Part #510347

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Screw 650986
#16C

Engine diagram

Lawn & garden equipment engine screw

Part #650986

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

Engine diagram

Lawn mower fuel cap

Part #410280

This item is not returnable
In Stock

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.…