Sierra’s 23-7840 Oil Filter replaces Onan Part Number 122-0810. The oil filter fits Onan models: MDKBD, MDKBE, MDKBF, MDKBD (with Isolated Ground), MDKBE (with Isolated Ground), MDKBF (with Isolated Ground), and MDKAD/E/F. Built with marine grade materials for reliability.
Replacement generator oil filter
Replaces Onan Part Number 122-0810
Fits Onan models: MDKBD, MDKBE, MDKBF, MDKBD (with Isolated Ground), MDKBE (with Isolated Ground), MDKBF (with Isolated Ground), and MDKAD/E/F
Built with marine grade materials for reliability