Parts for your 2001 Toyota Hiace-Spark plugs

2001 Toyota Hiace spark plugs — what they do and when to replace

For the 2001 Toyota Hiace, spark plugs are relevant if the van runs a petrol engine, and not used if it’s a diesel. Toyota’s technical sources make this clear: the Toyota Electronic Parts Catalogue lists spark plugs for RZH-series petrol models with the 2RZ‑E engine, while LH/KZH diesel variants with the 5L or 1KZ‑TE engines are shown with glow plugs instead