Free standard ground shipping within the 48 contiguous states with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Please enter one or more characters
Scan Icon
Tips to find your model number
Water filters
Water filter finder tool
DIY help
Featured products
Top brands
View all parts by brand
Top products and services
Products by brand
Orders
Customer Service
Schedule a repair

Tecumseh TYPE 643-21A engine Parts

Here are the diagrams and repair parts for Tecumseh TYPE 643-21A engine, as well as links to manuals and error code tables, if available.

Tecumseh TYPE 643-21A engine
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts forTYPE 643-21A Engine

  • O-ring for Tecumseh TYPE 643-21A - Part 631028

    Carburetor diagram

    O-ring

    Part #631028

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

  • Cover for Tecumseh TYPE 643-21A - Part 610118

    Basic engine diagram

    Cover

    Part #610118

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

  • Pistn Rng St for Tecumseh TYPE 643-21A - Part 310190

    Basic engine diagram

    Pistn Rng St

    Part #310190

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

  • Rewnd Startr for Tecumseh TYPE 643-21A - Part 590420

    Basic engine diagram

    Rewnd Startr

    Part #590420

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

  • Gasket for Tecumseh TYPE 643-21A - Part 510217

    Basic engine diagram

    Gasket

    Part #510217

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

  • Spring for Tecumseh TYPE 643-21A - Part 630766

    Basic engine diagram

    Spring

    Part #630766

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

  • Bowl Gasket for Tecumseh TYPE 643-21A - Part 631334

    Carburetor diagram

    Bowl Gasket

    Part #631334

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

  • Retainer for Tecumseh TYPE 643-21A - Part 590410

    Rewind starter diagram

    Retainer

    Part #590410

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

  • Rod Assembly for Tecumseh TYPE 643-21A - Part 310246

    Basic engine diagram

    Rod Assembly

    Part #310246

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

  • Piston for Tecumseh TYPE 643-21A - Part 310230

    Basic engine diagram

    Piston

    Part #310230

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

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

Automotive
Automotive Parts Fridgette
Cd Player
Cd player Parts CraigCd player Parts Soundesign
Drill/Driver
Drill/driver Parts Porter
Lawn Tractor Attachment
Lawn tractor attachment Parts MTDLawn tractor attachment Parts NomaLawn tractor attachment Parts Homelite
Parts
Home Electronics Transformer 144691100Dc 10w Motor 154137211Shaft Center 141-2-754T-06400Pal Nut 705034Home Electronics Escutcheon YEFC024C117Bracket H60-205
Plasma Television
Plasma television Parts TechView
Space Heater
Space heater Parts Old HickorySpace heater Parts AmanaSpace heater Parts General SlicingSpace heater Parts Beacon
Vhs Players & Vcrs
Vhs players & vcrs Parts Sherwood
Wall Oven
Wall oven Parts Sears