98623-42 Hose, Breather tube used on the Elliott MPSG12 units. 40-3020902 This filter uses adapter 751-10790

This filter uses adapter 751-10790 ( the adapter is what the filter screw onto)

On the Lister Petter gaseous generators (LPWG) this was the filter used

variable speed units require a different style of quadrant

751-10770 Head Gasket

there are no other choices at this time

98623-42 Hose, Breather tube used on the Elliott MPSG12 units. 40-3020902 This filter uses adapter 751-1079098623 42 Breather tube used on the MPSG 12 units, this rubber tube went from the air cleaner to the center of the engine valley. This will be the Kohler 25 engine. This will solve alot of oil leakage in the valley area of the engine and almost all are badly cracked due to age. Kohler part number is 24 326 89 S.