GEAR-TIMING BS-797521
Brand: Briggs & Stratton · Fits: 9 models · Reference price: $28.49
BS-797521 is a Briggs & Stratton replacement part (gear-timing). Our fitment data lists 9 models that use it.
When to replace this part
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.
Models that use this part
| Model | Brand | Appliance | Parts on file |
|---|---|---|---|
| 122M02-0108-F1 | Briggs & Stratton | — | 148 |
| 121Q02-0064-F1 | Briggs & Stratton | — | 114 |
| 122R02-0008-F1 | Briggs & Stratton | — | 103 |
| 12S912-0122-B1 | Briggs & Stratton | — | 90 |
| 112P02-0117-F1 | Briggs & Stratton | — | 87 |
| 121S12-0112-F1 | Briggs & Stratton | — | 87 |
| 128M05-0126-F1 | Briggs & Stratton | — | 84 |
| 128T05-5268-B1 | Briggs & Stratton | — | 29 |
| 128L05-5305-F1 | Briggs & Stratton | — | 28 |
Part numbers it replaces
The manufacturer lists BS-797521 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.
Other parts for model 122M02-0108-F1
If you are repairing that appliance, these are the most model-specific parts on file for the same model.
Reference price and where to compare
The reference price on file for this part is $28.49. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
Compare BS-797521 listings on Amazon