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

Briggs & Stratton 121700 TO 121799 (0239-254) engine Parts

Here are the diagrams and repair parts for Briggs & Stratton 121700 TO 121799 (0239-254) engine, as well as links to manuals and error code tables, if available.

Briggs & Stratton 121700 TO 121799 (0239-254) engine
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for 121700 TO 121799 (0239-254) Engine

  • Briggs & Statton Piston Assembly for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 493385

    Piston/ring set diagram

    Briggs & Statton Piston Assembly

    Part #493385

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

  • Briggs & Statton Governor Spring for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 262654

    Spring-governor diagram

    Briggs & Statton Governor Spring

    Part #262654

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

  • Briggs & Statton Ring for Briggs & Stratton 121700 TO 121799 (0239-254) - 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 Fuel Tank Assembly for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 495065

    Tank-fuel diagram

    Briggs & Statton Fuel Tank Assembly

    Part #495065

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

  • Briggs & Statton Label for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 494256

    Cylinder/intake - manifold diagram

    Briggs & Statton Label

    Part #494256

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

  • Briggs & Statton Seat Exhaust Valve for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 213513

    Cylinder/intake - manifold diagram

    Briggs & Statton Seat Exhaust Valve

    Part #213513

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

  • Briggs & Statton Spark Plug for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 492167

    Cylinder/intake - manifold diagram

    Briggs & Statton Spark Plug

    Part #492167

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

  • Briggs & Statton Base Cleaner for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 492363

    Filter/base - air cleaner diagram

    Briggs & Statton Base Cleaner

    Part #492363

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

  • Briggs & Statton Gear Cam for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 493739

    Sump-engine/shaft-drive diagram

    Briggs & Statton Gear Cam

    Part #493739

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

  • Briggs & Statton Plug-oil Drain for Briggs & Stratton 121700 TO 121799 (0239-254) - Part 936313

    Sump-engine/shaft-drive diagram

    Briggs & Statton Plug-oil Drain

    Part #936313

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair time and Difficulty

 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair time and Difficulty

 15 minutes or less
How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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

Audio Equipment
Dishwasher
Dryer
Front-Engine Lawn Tractor
Gas Cooktop
Jointer/Planer
Parts
Rear-Engine Riding Mower
Rear-Tine Tiller
Washer
Weight System