Parts for your 2017 Toyota Hiace-Spark plugs

2017 Toyota HiAce spark plugs: what they do and when to replace

Per Toyota’s own technical literature for the H200-series HiAce (owner’s manual, dealer service schedule, and workshop repair manual), spark plugs are fitted only to petrol models such as the 2TR‑FE 2.7‑litre. Diesel HiAce variants (e.g., KDH with the 1KD‑FTV 3.0‑litre turbo‑diesel) don’t use spark plugs at all