Parts for your 2006 Nissan Serena-Head gasket

2006 Nissan Serena Head Gasket: What It Does and When to Replace It

Yes, a head gasket is fitted to the 2006 Nissan Serena. Technical references including the Nissan C25 Serena Factory Service Manual (Engine Mechanical section for MR20DE/QR20DE engines) and the Nissan FAST electronic parts catalogue list a cylinder head gasket for this model, confirming it’s a standard component of its inline-four engines.

The head gasket’s job is simple but critical: it seals the mating surface between the cylinder head and the engine block. That seal keeps high-compression combustion gases where they belong, and prevents engine oil and coolant from mixing or leaking. On the Serena’s petrol four-cylinder engines, the gasket is typically a multi‑layer steel (MLS) design, chosen for its durability, heat resistance, and ability to maintain clamping force over many heat cycles. When healthy, it helps the engine run smoothly, maintain power, and keep emissions and temperatures under control.

A head gasket isn’t a routine “service item” like oil or filters