Parts for your 2002 Toyota Ist-Water pump

2002 Toyota ist water pump: what it does and how to look after it

Yes, the 2002 Toyota ist is fitted with a water pump. Technical references including the Toyota Electronic Parts Catalogue (EPC) for NCP60/NCP61 and the Toyota 1NZ‑FE/2NZ‑FE engine repair manuals list a belt‑driven “Water Pump Assy” for both the 1.3‑litre 2NZ‑FE and 1.5‑litre 1NZ‑FE engines. Equivalent documentation for the closely related Scion xA (same NCP platform) shows the same setup.

On this little hatch, the water pump’s job is straightforward but vital: it circulates coolant through the block, head, heater core and radiator so the engine sits in its happy temperature zone. Driven by the auxiliary (serpentine) belt, an impeller inside the pump keeps coolant flowing