Parts for your 2022 Toyota Prius-Head gasket

2022 Toyota Prius Head Gasket — what it does and when to sort it

Yes, the 2022 Toyota Prius does use a head gasket. Toyota’s Technical Information System (TIS) Repair Manual for the ZVW5# series, the New Car Features manual, and the Toyota Electronic Parts Catalogue all identify a “Gasket, Cylinder Head” for the 1.8‑litre 2ZR‑FXE engine. That means head‑gasket care is relevant on this hybrid, even though it’s famously reliable.

On the 2ZR‑FXE, the head gasket is a multi‑layer steel seal sandwiched between the aluminium cylinder head and the aluminium engine block. Its job is to keep three things from mixing where they shouldn’t: high‑pressure combustion gases, engine coolant, and engine oil. By sealing combustion, it helps maintain efficiency and power. By keeping coolant and oil in their own passages, it prevents overheating and lubrication issues. In a hybrid like the Prius—where the engine cycles on and off frequently—the gasket also sees plenty of thermal expansion and contraction, so good cooling‑system health really matters.

There’s no scheduled “head‑gasket service” as such