Yanmar 4LHA Thermostat Gasket 121850-49550 Replacement

Thermostat gasket to suit Yanmar marine engines:

4LHA-STE(P), 4LHA-STZE(P), 4LHA-DTE(P), 4LHA-DTZE(P), 4LHA-HTE(P), 4LHA-HTZE(P)

Gasket 121850-49550 (lower) for thermostat 121850-49550. Top cover gasket 119171-49530 not included.

This is an aftermarket part REC 121850-49550.