Singer
Singer
Singer 503 parts
- 1 part documented
- 0 confirmed no longer available
- 1 system
| Part no. | Part | Fits | Original | PorkForge | Sources |
|---|---|---|---|---|---|
| Other parts 1 part | |||||
| 163951 | Stitch length regulator (401 / 500) | 401, 401A, 403, 404, 500 +1 more | Not checked | Research only | 1 |
Fitment can change within a model run. Each part page lists its sources; check them against your serial number.