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

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

Craftsman 143123021 4-cycle engine Parts

Here are the diagrams and repair parts for Craftsman 143123021 4-cycle engine, as well as links to manuals and error code tables, if available.

Craftsman 143123021 4-cycle engine
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for143123021 4-Cycle Engine

  • Screw for Craftsman 143123021 - Part 29919

    Basic engine diagram

    Screw

    Part #29919

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

  • Washer for Craftsman 143123021 - Part 29714

    Basic engine diagram

    Washer

    Part #29714

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

  • Screw for Craftsman 143123021 - Part 6021

    Basic engine diagram

    Screw

    Part #6021

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

  • O-ring for Craftsman 143123021 - Part 30139

    Basic engine diagram

    O-ring

    Part #30139

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

  • Washer for Craftsman 143123021 - Part 20747

    Basic engine diagram

    Washer

    Part #20747

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

  • Cap for Craftsman 143123021 - Part 21043

    Basic engine diagram

    Cap

    Part #21043

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

  • Washer for Craftsman 143123021 - Part 30151

    No-pull starter no. 590357 diagram

    Washer

    Part #30151

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

  • Spring for Craftsman 143123021 - Part 29940

    No-pull starter no. 590357 diagram

    Spring

    Part #29940

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

  • Crankshaft for Craftsman 143123021 - Part 30742

    Basic engine diagram

    Crankshaft

    Part #30742

    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

Bottom-Mount Refrigerator
Dishwasher
Dryer
Garage Door Opener
Gas Pressure Washer
Gas Range
Parts
Power Grinder
Reciprocating Saw
Side-By-Side Refrigerator
Snowblower
Water Treatment