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 # TC300-3218J Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh TC300-3218J 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 107 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 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
Lawn & Garden Equipment Engine Recoil Starter Handle (replaces 590443, 590452) 590701
#13

Recoil starter diagram

Lawn & garden equipment engine recoil starter handle (replaces 590443, 590452)

Part #590701

This item is not returnable
$7.80 | 
11% OFF Phone Price : $8.80
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 Oil Seal 510319
#78

Engine diagram

Lawn & garden equipment engine oil seal

Part #510319

$8.20
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
$3.91
In Stock
Fuel Tank 410277A
#300

Engine diagram

Fuel tank

Part #410277A

Replaced by #410277

?
Manufacturer substitution
This part replaces 410277A. Substitute parts can look different from the original.
$53.59 | 
9% OFF Phone Price : $58.59
In Stock
Lawn & Garden Equipment Engine Primer Assembly 570704
#350

Engine diagram

Lawn & garden equipment engine primer assembly

Part #570704

This item is not returnable
$11.26
In Stock
Lawn & Garden Equipment Engine Cylinder Head Gasket 510349
#119

Engine diagram

Lawn & garden equipment engine cylinder head gasket

Part #510349

This item is not returnable
$2.16
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

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Read more
Repair difficulty
Time required
 45 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