New Genuine Honda Tappet Cover Gasket For All Years Of G400's, GV400's, E3500's, E4500's, EB4000's, EM4000's, EMS4000's, EMS4500's, ES3500's, ES4500's, EV4000's, EW170's, HT3810's Honda Engine Models. Part number 12375-ZA1-000. This Is Genuine Honda, Not Aftermarket. I have 1 left. 1 SOLD. Please email me with any questions. I Will ship Worldwide. Thanks for looking.