Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Tecumseh TYPE 643-23 engine Parts

Here are the diagrams and repair parts for Tecumseh TYPE 643-23 engine, as well as links to manuals and error code tables, if available.

Tecumseh TYPE 643-23 engine
By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for TYPE 643-23 Engine

  • (incl, With Key 107) for Tecumseh TYPE 643-23 - Part N/P

    Basic engine diagram

    (incl, With Key 107)

    Part #N/P

    The manufacturer no longer makes this part, and there's no substitute part

  • Bearing for Tecumseh TYPE 643-23 - Part 530105

    Basic engine diagram

    Bearing

    Part #530105

    The manufacturer no longer makes this part, and there's no substitute part

  • Gasket for Tecumseh TYPE 643-23 - Part 631554

    Carburetor no. 631727 diagram

    Gasket

    Part #631554

    The manufacturer no longer makes this part, and there's no substitute part

  • Inlet Needle for Tecumseh TYPE 643-23 - Part 631725

    Carburetor no. 631727 diagram

    Inlet Needle

    Part #631725

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw for Tecumseh TYPE 643-23 - Part 650584

    Basic engine diagram

    Screw

    Part #650584

    The manufacturer no longer makes this part, and there's no substitute part

  • Washer for Tecumseh TYPE 643-23 - Part 610385

    Magneto no. 610832a diagram

    Washer

    Part #610385

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw for Tecumseh TYPE 643-23 - Part 650477

    Basic engine diagram

    Screw

    Part #650477

    The manufacturer no longer makes this part, and there's no substitute part

  • Wire for Tecumseh TYPE 643-23 - Part 610809

    Basic engine diagram

    Wire

    Part #610809

    The manufacturer no longer makes this part, and there's no substitute part

  • Lock Nut for Tecumseh TYPE 643-23 - Part 650457

    Lock Nut

    Part #650457

    The manufacturer no longer makes this part, and there's no substitute part

  • Tank Assembly for Tecumseh TYPE 643-23 - Part 410235

    Basic engine diagram

    Tank Assembly

    Part #410235

    The manufacturer no longer makes this part, and there's no substitute part

Repair guides for front-engine lawn tractors

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…

Repair time and Difficulty

 30 minutes or less
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.…

Repair time and Difficulty

 45 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.…

Repair time and Difficulty

 45 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.…

Parts & More

Band Saw
Chipper/Shredder
Dishwasher
Electric Range
Electric Wall Oven
Health & Wellness
Miter Saw
Models
Office
Parts
Side-By-Side Refrigerator
Treadmill