Description
Our Diaphragms are a direct fit for Rammer 555, 555 City, 555S, 315, 455. The OEM part number for Upper is:
| Brand | Model |  Serial Number | Part Number |
| Rammer | 555 555 City 555 SCALING |
555A0005-UP | 102044 |
The OEM part number for Lower is:
| Brand | Model |  Serial Number | Part Number |
| Rammer | 555 555 City 555 SCALING |
555A0005-UP | 154759 |
| Rammer | 315 315 PIN 315 FLANGE |
15181413-UP | 154759 |
| Rammer | 455 |
455A0005-UP | 154759 |
The quality of the diaphragm you choose is a large consideration, and not all diaphragms are the same. The Rubber material can widely vary depending on temperature, mixing time, and mold style. This results in significant viscosity variations during manufacturing and an inconsistent product.
Big Hammer Co. is a direct replacement manufacturer for all our brands. It is not endorsed, sponsored, or in any way associated with Rammer. This product is a direct replacement part.
Any use of or reference to the Rammer trademark is for the sole purpose of indicating compatibility or product fit, and is not meant to imply any affiliation or relationship between Big Hammer Co. and Rammer and/or the Rammer Trademark.