Awesome thank you! Yeah I don’t know about those big washers . Hate to miss something but I don’t think it was the oil cooler .. already pulled it and did the gaskets on that, I’m sure I’ll find out sometime lolTop gasket is for the water pump. Large O-ring is for the thermostat. Small silver washers look like fuel filter and fuel rail crush washers. The big silver washers are for the oil cooler pressure relief valve....i think..