| Parts Number | 4003966 |
| Parts Name | Valve Stem Seal 4003966 |
| Brand | Cummins |
| Cummins Models | ISM CM570, ISM CM570/870, ISM CM875, ISM CM876, ISM CM876 E, ISM11 CM876 SN, M11 CELECT, M11 CELECT PLUS, M11 MECHANICAL, QSM11 CM570, QSM11 CM876 |
| Parts Number | 4003966 |
| Parts Name | Valve Stem Seal 4003966 |
| Brand | Cummins |
| Cummins Models | ISM CM570, ISM CM570/870, ISM CM875, ISM CM876, ISM CM876 E, ISM11 CM876 SN, M11 CELECT, M11 CELECT PLUS, M11 MECHANICAL, QSM11 CM570, QSM11 CM876 |