Parts for your 2018 Toyota Land cruiser-Spark plugs

2018 Toyota LandCruiser spark plugs: what owners in Australia and New Zealand need to know

Technical references from Toyota’s own service literature for the 1VD‑FTV 4.5‑litre twin‑turbo diesel (the engine fitted to 2018 LandCruiser 200 Series models sold in Australia and New Zealand) confirm there are no spark plugs on this vehicle. The diesel engine uses compression ignition, so it doesn’t require a spark to ignite the fuel–air mix. Instead, it relies on cylinder heat generated by high compression, with glow plugs used to assist cold starts. This is consistent with Toyota owner’s manuals and workshop manuals for the 1VD‑FTV platform.

Why no spark plugs? In a diesel, fuel is injected into very hot, highly compressed air right before top dead centre. The heat of compression lights the mixture off—no ignition leads, coils or spark plugs needed. The engine management system times fuel injection precisely, and the glow plug system preheats the combustion chambers when it’s chilly to stabilise starting and idle.

What you won’t find on a 2018 AU/NZ LandCruiser 200 diesel:

• Spark plugs, ignition leads or a distributor
• Petrol-style ignition coils firing a spark

What you will find instead:

• Glow plugs and a glow control module for cold starts
• High‑pressure common‑rail injectors and a high‑pressure pump

Owners might hear about spark plugs on overseas 2018 LandCruiser variants. That’s because some regions received petrol V8 engines (such as 3UR‑FE 5.7‑litre or 1UR‑FE 4.6‑litre) that do use spark plugs. If a vehicle has one of those petrol engines, spark plug servicing applies, however, for Australian and New Zealand‑delivered 2018 LandCruiser 200 models with the 1VD‑FTV diesel, spark plugs are not part of the maintenance schedule.

Good servicing habits for the diesel that “replace” spark plug maintenance include timely fuel filter changes, checking glow plug operation if cold starts become sluggish, using quality diesel to protect injectors, and scanning for fault codes if there’s rough idle, smoke or hard starting. Keeping the battery healthy also matters—glow systems are sensitive to low voltage, especially on frosty mornings from the High Country to the South Island.

Popular questions about 2018 LandCruiser spark plugs

Do 2018 LandCruiser 200 models in Australia or New Zealand have spark plugs?

No. Local 2018 LandCruiser 200 vehicles are fitted with the 1VD‑FTV 4.5‑litre twin‑turbo diesel V8, which uses compression ignition and glow plugs, not spark plugs. If the vehicle is a grey import with a petrol V8, it will have spark plugs—check the engine code on the compliance plate or in the logbook.

What maintenance replaces spark plug servicing on the diesel LandCruiser?

Focus on fuel system care and cold‑start aids: replace fuel filters on schedule, use clean diesel, monitor injector performance, and test glow plugs if cold starts are rough. Keep the battery in top nick and ensure intake/EGR components are clean to maintain smooth combustion.

How can an owner tell whether their 2018 LandCruiser needs spark plugs?

Identify the engine. If it’s the 1VD‑FTV (diesel), there are no spark plugs. If it’s a petrol V8 (such as 3UR‑FE or 1UR‑FE, typically on imports), spark plugs are fitted. The engine code appears on the compliance/build plate, in the owner’s manual, and often on the engine cover.