Get free shipping on your order, 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 643-21 engine Parts

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

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

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

Browse Parts for TYPE 643-21 Engine

  • Shttr Thrttl for Tecumseh TYPE 643-21 - Part 631621

    Carburetor no. 631899 diagram

    Shttr Thrttl

    Part #631621

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

  • Pulley for Tecumseh TYPE 643-21 - Part 590413A

    Rewind starter no. 590420 diagram

    Pulley

    Part #590413A

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

  • Baffle for Tecumseh TYPE 643-21 - Part 570434

    Basic engine diagram

    Baffle

    Part #570434

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

  • Spring for Tecumseh TYPE 643-21 - Part 510142

    Basic engine diagram

    Spring

    Part #510142

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

  • Screw for Tecumseh TYPE 643-21 - Part 650569

    Carburetor no. 631899 diagram

    Screw

    Part #650569

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

  • Screw for Tecumseh TYPE 643-21 - Part 650497

    Basic engine diagram

    Screw

    Part #650497

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

  • Magneto for Tecumseh TYPE 643-21 - Part 610832A

    Basic engine diagram

    Magneto

    Part #610832A

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

  • Spacer for Tecumseh TYPE 643-21 - Part 570613

    Basic engine diagram

    Spacer

    Part #570613

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

  • Screw for Tecumseh TYPE 643-21 - Part 610593

    Magneto no. 610832a diagram

    Screw

    Part #610593

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

  • Screw Assembly for Tecumseh TYPE 643-21 - Part 631271

    Carburetor no. 631899 diagram

    Screw Assembly

    Part #631271

    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

Canister Vacuum
Kenmore 11623312303 canister vacuum parts
Dishwasher
Shop Model #FFBD2406NS3A Frigidaire dishwasherShop Model #GDF520PGD0BB GE dishwasher
Gas Walk-Behind Mower
Shop Model #917374390 Craftsman lawn mowerShop Model #PR625Y22RP-96142012601 Poulan lawn mower
Generator
Generac GP7500E-5943-5 generator parts
Lawn & Garden Engine
Craftsman 143751032 lawn & garden engine parts
Microwave/Hood Combo
Shop Model #JVM7195SK4SS GE microwave/hood combo
Parts
Range Membrane Switch (Silver) 316549105Air Housing 17220-ZB6-000Dishwasher Leak Detector Sensor DD94-01062AINDUCTOR-S 2703-003790Microwave Electronic Control Board WB27X10935Dishwasher Dishrack Roller Assembly 5304506920Shipping Kit WH49X10077Base Plate A YEFP05011Line Trimmer Cutting Head Assembly 753-06848Discharge Chute 7053934YPCONTROL ASSY 16500-Z4H-821
Repair
Dishwasher won't drain