Parts for your 2019 Nissan Serena-Head gasket

2019 Nissan Serena head gasket — purpose, care, and when to replace

Yes, the 2019 Nissan Serena uses a head gasket. Technical references including the Nissan C27 Serena Service Manual (Engine Mechanical section) and the Nissan FAST parts catalogue specify a cylinder head gasket for the MR20DD 2.0‑litre petrol engine, and for the HR12DE 1.2‑litre petrol engine used in e‑POWER models. As both engines have an alloy cylinder head bolted to an iron or alloy block, a multi‑layer steel (MLS) head gasket is required to seal combustion, oil, and coolant passages.

In this Serena, the head gasket’s job is to keep the combustion chambers sealed under high pressure and temperature, while preventing coolant and engine oil from mixing. The MLS design handles the heat cycles and clamping loads typical of modern engines, whether it’s the MR20DD driving the wheels directly or the HR12DE in the e‑POWER acting as a generator. When healthy, it’s invisible