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

Craftsman 143521021 4-cycle engine Parts

Here are the diagrams and repair parts for Craftsman 143521021 4-cycle engine, as well as links to manuals and error code tables, if available.

Craftsman 143521021 4-cycle engine
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 143521021 4-Cycle Engine

  • Fuel Line for Craftsman 143521021 - Part 30781

    Basic engine diagram

    Fuel Line

    Part #30781

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

  • Pipe Plug for Craftsman 143521021 - Part 27642

    Basic engine diagram

    Pipe Plug

    Part #27642

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

  • Screw for Craftsman 143521021 - Part 650176

    Basic engine diagram

    Screw

    Part #650176

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

  • Spring for Craftsman 143521021 - Part 630738

    Carburetor no. 630893 (power products) diagram

    Spring

    Part #630738

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

  • Screw for Craftsman 143521021 - Part 30564

    Basic engine diagram

    Screw

    Part #30564

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

  • Seat/gskt for Craftsman 143521021 - Part 630753

    Carburetor no. 630893 (power products) diagram

    Seat/gskt

    Part #630753

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

  • Screw for Craftsman 143521021 - Part 28820

    Basic engine diagram

    Screw

    Part #28820

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

  • Diaphragm for Craftsman 143521021 - Part 630749

    Carburetor no. 630893 (power products) diagram

    Diaphragm

    Part #630749

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

  • Washer for Craftsman 143521021 - Part 630739

    Carburetor no. 630893 (power products) diagram

    Washer

    Part #630739

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

  • Plug Cover for Craftsman 143521021 - Part 27276

    Basic engine diagram

    Plug Cover

    Part #27276

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

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

Blender
Bottom-Mount Refrigerator
Dishwasher
Drill Press
Dryer
Front-Engine Lawn Tractor
Gas Walk-Behind Mower
Lawn Vacuum
Parts
Range
Refrigerator
Snowblower
Washer