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

Briggs & Stratton 121700 TO 121799 (4006-4009) engine Parts

Here are the diagrams and repair parts for Briggs & Stratton 121700 TO 121799 (4006-4009) engine, as well as links to manuals and error code tables, if available.

Briggs & Stratton 121700 TO 121799 (4006-4009) engine
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for121700 TO 121799 (4006-4009) Engine

  • Briggs & Statton Crankshaft for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 493947

    Crankshaft diagram

    Briggs & Statton Crankshaft

    Part #493947

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

  • Briggs & Statton Fuel Pipe for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 399254

    Seal, o-ring/lin-fuel diagram

    Briggs & Statton Fuel Pipe

    Part #399254

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

  • Briggs & Statton Case Control Wire for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 66986

    Bracket-control diagram

    Briggs & Statton Case Control Wire

    Part #66986

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

  • Briggs & Statton Ring for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 493390

    Piston/ring set diagram

    Briggs & Statton Ring

    Part #493390

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

  • Briggs & Statton Spline for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 281125

    Motor-starter diagram

    Briggs & Statton Spline

    Part #281125

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

  • Briggs & Statton Bracket Carburetor for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 495976

    Bracket-control diagram

    Briggs & Statton Bracket Carburetor

    Part #495976

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

  • Briggs & Statton Gear Cover for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 224262

    Motor-starter diagram

    Briggs & Statton Gear Cover

    Part #224262

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

  • Briggs & Statton Cap for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 492922

    Motor-starter diagram

    Briggs & Statton Cap

    Part #492922

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

  • Briggs & Statton Pin for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 93474

    Sump-engine/shaft-drive diagram

    Briggs & Statton Pin

    Part #93474

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

  • Briggs & Statton Carburetor for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 493764

    Carburetor/valve kit (i) diagram

    Briggs & Statton Carburetor

    Part #493764

    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

Central Air Conditioner
Electric Cooktop
Electric Water Heater
Front-Engine Lawn Tractor
Gas Leaf Blower
Gas Pressure Washer
Gas Range
Gas Snowblower
Gas Walk-Behind Mower
Parts
Refrigerator
Side-By-Side Refrigerator
Washer