This is the upper cup
Cummins/Onan part number for this XXX
old part number was 751-19700
and within that
this is the cup that goes into the cylinder head and seals the push rod tube at the head itself
754-40891 Cylinder Head Gasket, fits LPW/S4 and LPWT engines, this gasket fits the 4 cylinder engines only LPA This is the upper cupHead Gasket for Lister Petter LPW S4, LPWT engine. This gasket is for a 4 cylinder engine only. The LPW, LPWS engines are used in numerous pieces of equipment, Moffett M5000 Forklift, Manitou forklifts, Ditch Witch 400SX plow, Ditch Witch 410SX plow, Ditch Witch JT 920L directional drill, Ditch Witch JT 820L directional drill, Ditch Witch FP35 Fluid Pac, Onan gas generators model GNAA,GNAB,GNAC, Elliott MagnaTek Generators 10 12 kw, Hawkpower diesel