Parts for your 2013 Toyota Hilux-Spark plugs

2013 Toyota HiLux spark plugs: what’s fitted and how to look after them

Technical determination: For the 2013 Toyota HiLux sold in Australia and New Zealand, spark plugs are fitted to the petrol variants (2.7 L 2TR‑FE and 4.0 L V6 1GR‑FE). Diesel variants (3.0 L D‑4D 1KD‑FTV) do not use spark plugs, they use glow plugs and compression ignition. This is supported by Toyota owner’s and repair manuals for the relevant engines, and by plug catalogues from OEM suppliers.

Why some 2013 HiLux models don’t use spark plugs: the D‑4D diesel engines ignite fuel by very high compression rather than a timed spark. They employ glow plugs only to aid cold starts. So, anyone with a 2013 HiLux diesel won’t find spark plugs under the bonnet, and spark plug servicing isn’t part of that engine’s routine maintenance.

For petrol 2013 HiLux models, spark plugs are a small part with a big job. They ignite the air–fuel mix thousands of times a minute, delivering smooth starts, steady idle, decent fuel economy, and reliable pulling power when the ute’s loaded or towing. Toyota specifies long‑life, fine‑tip iridium plugs in these engines, chosen for strong spark energy and durability in Aussie and Kiwi conditions.

Service timing typically lands around 100,000–120,000 km or about six years for iridium plugs, whichever comes first. Short‑trip driving, dusty work sites, heavy towing, or rich running can shorten that. Replacing all plugs as a set keeps each cylinder on the same page and helps prevent coil‑on‑plug stress.

When the plugs are due, correct parts, gap and torque matter. Iridium plugs arrive pre‑gapped and generally shouldn’t be re‑gapped, the specification for these Toyota petrol engines is typically about 1.0–1.1 mm. Install into a cool aluminium head using a torque wrench, most Toyota specs are in the 18–22 Nm range for this style of plug. Plated threads usually don’t need anti‑seize, adding it can distort torque. If in doubt, follow the exact Toyota spec for the engine code under the bonnet.

Tell‑tale signs it’s time for fresh plugs include harder starts, a shaky idle, misfire under load, higher fuel use, or a check‑engine light with misfire codes. During plug replacement it’s smart to inspect coil boots for cracking, apply a light smear of dielectric grease to the inside of each boot, and blow debris from plug wells before removal to keep grit out of the cylinders.

Keeping on top of spark plugs helps the 2013 HiLux petrol run crisply, saves fuel on long highway runs, and makes light work of hills with a trailer on the back. Mark the odometer and date after the job so the next interval is easy to track.

• Technical sources referenced:
  • Toyota HiLux Owner’s Manual (AU/NZ, 2011–2015) – engine specifications and maintenance schedule
  • Toyota Repair Manuals for 2TR‑FE and 1GR‑FE – ignition system, plug type, gap and torque data
  • Denso and NGK application catalogues – plug fitment for 2TR‑FE/1GR‑FE and confirmation that 1KD‑FTV diesel uses glow plugs

Popular questions about 2013 Toyota HiLux spark plugs

Do all 2013 HiLux models have spark plugs?

No. Petrol HiLux models (2TR‑FE 2.7 and 1GR‑FE 4.0 V6) have spark plugs, the 3.0 D‑4D diesel (1KD‑FTV) does not. The diesel relies on compression ignition and uses glow plugs only to help with cold starts.

If unsure which engine is fitted, check the build plate or the engine code on the rego/insurance paperwork.

How often should the spark plugs be changed on a 2013 HiLux petrol?

With iridium plugs, expect roughly 100,000–120,000 km or about six years under normal driving. Utes that tow, idle on site, or see dusty conditions may benefit from earlier replacement. Always follow the service schedule listed for the exact engine code.

Replacing all plugs as a complete set keeps performance consistent and reduces misfire risk.

What plug gap and torque should be used?

These engines typically specify a gap around 1.0–1.1 mm and installation torque in the 18–22 Nm range. Iridium plugs are pre‑gapped and generally shouldn’t be adjusted. Use a torque wrench on a cool engine and avoid anti‑seize on plated threads unless the manufacturer says otherwise.

Confirm the exact figures in the Toyota repair data for the VIN and engine code.