Parts for 121S050013F1 — Briggs & Stratton

We found 20 parts confirmed to fit the Briggs & Stratton 121S050013F1.

Compatibility table

All 20 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
593321Briggs & Stratton Control CoverThis model only$57.48 · Amazon
593323Briggs & Stratton Lawn & Garden Equipment Engine Rocker SwitchThis model only$52.57 · Amazon
593324Briggs & Stratton Wire StopThis model only$42.82 · Amazon
593325Briggs & Stratton Wire StopThis model only$35.59 · Amazon
797386Briggs & Statton Flywheel5 models$324.56 · Amazon
593599Briggs & Stratton Lawn & Garden Equipment Engine Carburetor6 models$112.84 · Amazon
799275Briggs & Statton Cylinder Gasket7 models$47.46 · Amazon
799178Briggs & Statton Main Jet7 models$55.17 · Amazon
592159Briggs & Statton Gasket9 models$32.50 · Amazon
590398Briggs & Statton Intake Gasket10 models$32.43 · Amazon
797301Briggs & Stratton Lawn & Garden Equipment Engine Air Filter11 models$10.49 · Amazon
691894Briggs & Stratton Lawn & Garden Equipment Engine Air Filter Collar Gasket13 models$6.48 · Amazon
795426Briggs & Statton Grip-Starter Rope32 models$5.50 · Amazon
799585Briggs & Statton Lawn & Garden Equipment Engine Fuel Tank Cap39 models$26.60 · Amazon
299819SBriggs & Statton Lawn & Garden Equipment Engine Oil Seal91 models$8.86 · Amazon
692051Briggs & Statton Lawn & Garden Equipment Engine Spark Plug110 models$9.43 · Amazon
66538SBriggs & Stratton Lawn and Garden Equipment Engine Spark Plug Boot122 models$5.64 · Amazon
697316Briggs & Stratton Lawn & Garden Equipment Engine Recoil Starter Rope367 models$10.88 · Amazon
791766Briggs & Stratton Lawn & Garden Equipment Engine Fuel Line, Red564 models$14.01 · Amazon
222698SBriggs & Stratton Lawn & Garden Equipment Engine Flywheel Key630 models$3.97 · Amazon

Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.

Common failure areas on this model

The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.

Storage, trim and cosmetic hardware

Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.

Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.

Parts in this group on 121S05-0013-F1: 593321 (Briggs & Stratton Control Cover), 799585 (Briggs & Statton Lawn & Garden Equipment Engine Fuel Tank Cap).

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Parts in this group on 121S05-0013-F1: 593323 (Briggs & Stratton Lawn & Garden Equipment Engine Rocker Switch), 593324 (Briggs & Stratton Wire Stop), 593325 (Briggs & Stratton Wire Stop), 797386 (Briggs & Statton Flywheel), 593599 (Briggs & Stratton Lawn & Garden Equipment Engine Carburetor), 799178 (Briggs & Statton Main Jet), 797301 (Briggs & Stratton Lawn & Garden Equipment Engine Air Filter), 795426 (Briggs & Statton Grip-Starter Rope), 299819S (Briggs & Statton Lawn & Garden Equipment Engine Oil Seal), 692051 (Briggs & Statton Lawn & Garden Equipment Engine Spark Plug), 66538S (Briggs & Stratton Lawn and Garden Equipment Engine Spark Plug Boot), 697316 (Briggs & Stratton Lawn & Garden Equipment Engine Recoil Starter Rope), 791766 (Briggs & Stratton Lawn & Garden Equipment Engine Fuel Line, Red), 222698S (Briggs & Stratton Lawn & Garden Equipment Engine Flywheel Key).

Door and drum seals

Symptom: A door or drum seal that has lost its grip, letting water or conditioned air escape past it.

Check: Inspect the seal for tears, flattening, or gaps, and check it against your model's part number before ordering.

Parts in this group on 121S05-0013-F1: 799275 (Briggs & Statton Cylinder Gasket), 592159 (Briggs & Statton Gasket), 590398 (Briggs & Statton Intake Gasket), 691894 (Briggs & Stratton Lawn & Garden Equipment Engine Air Filter Collar Gasket).

Before you buy

Match 121S050013F1 exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.

How to confirm this is your model

Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.