We are replacing our 15 KVW Onan MDL3 generator. It is a Model 15MDL3.B (serial number A933989766). It is a 1993 vinatge unit with a Model 3A1.7-G engine. There is a pratically brand new coolant pump (with gaskets), a newer Sherwood K75NF fresh water pump along with 2 brand new impellers, 4 Standyne fuel filters and anyother parts you might want. We know that many parts have become unavailable for this model generator. Let me know if you need anything off this unit. Very reasonable. Unit will be out of the boat on Monday and parts could ship from the Ft. Myers Florida area later in the week. Jerry Richardson commjerry@aol.com