Genuine Onan 132-0379 Impeller Repair Kit Onan impeller kit for various MDKAA, MDKAB, MDKAV, MDKAW, MDKBC, MDKBK, MDKBL, MDKBM, MDKBN, MDKAL and MDKDL models, includes O-Ring. Replaces: Onan 0541-1519, Sherwood 10077K, 22783, Sierra 23-3310, CEF 500166