Parts for your 2013 Toyota Land cruiser-Spark plugs

2013 Toyota Land Cruiser spark plugs — what they do and when to replace them

Technical references confirm spark plugs are used on 2013 Toyota Land Cruiser petrol variants, but not on diesel models. Toyota’s service publications for the UR‑series V8 (1UR‑FE/3UR‑FE) specify long‑life iridium spark plugs, while the 4.5‑litre 1VD‑FTV twin‑turbo diesel relies on compression ignition and glow plugs, not spark plugs. This is supported by Toyota Owner’s Manual and Repair Manual information for the 200 Series, plus Denso and NGK application catalogues that list plugs only for the petrol engines. Diesel ignition fundamentals (as per standard automotive texts like Bosch Automotive Handbook) also confirm no spark plugs are used in the diesel.

For petrol 2013 Land Cruiser models, spark plugs ignite the air‑fuel mix in each cylinder, ensuring smooth starts, strong torque and tidy fuel economy. Modern iridium plugs resist wear and run hot enough to self‑clean, which helps the big Cruiser stay dependable from the outback to the urban crawl.

Servicing guidance from Toyota for UR‑series V8s calls for periodic inspection and eventual replacement of the iridium plugs on a long interval. In Australia and New Zealand schedules, that’s typically in the 120,000–160,000 km window (market and usage dependent), with earlier attention if symptoms appear. Checking the maintenance schedule in the Land Cruiser’s owner’s manual is the go‑to for the exact kilometre mark.

When ageing plugs creep up in resistance or gap, the engine management has to work harder to fire the coil‑on‑plug system. Owners might notice rough idle, slower cranking starts, a flat spot under load, poorer fuel use or a check engine light and stored misfire codes. Left too long, weak spark can stress coils and converters.

Good workshop practice under the bonnet includes using OEM‑spec iridium plugs, verifying the correct heat range, applying a light torque to spec on a cool engine, and avoiding anti‑seize unless the plug maker explicitly allows it (most iridium plugs come with plated threads). Gaps are usually factory‑set, chasing the gap with a feeler can damage fine‑wire tips, so spec confirmation rather than adjustment is the norm. A tidy job also means inspecting coil boots for tracking, blowing debris from plug wells, and recording the service in the logbook.

• Typical replacement window: 120,000–160,000 km (check local Toyota schedule).
• Tell‑tales for attention: misfire, sluggish climb under load, higher fuel burn, hard starts.
• Parts tip: stick with quality iridium plugs matched to the specific UR‑series engine.

Popular question: How often should spark plugs be replaced on a 2013 Land Cruiser petrol V8?

Most 2013 petrol Land Cruisers run long‑life iridium plugs with an interval around 120,000–160,000 km in AU/NZ schedules. Heavy towing, dusty tracks and lots of short trips can justify earlier inspection. The owner’s manual or Toyota dealer schedule has the exact figure for the specific market.

Popular question: My 2013 Land Cruiser is the 4.5‑litre diesel — does it have spark plugs?

No. The 1VD‑FTV diesel uses compression ignition and glow plugs for cold starts. There are no spark plugs on the diesel, so any misfire or hard‑start diagnosis should look at fuel, air, glow system and compression rather than spark.

Popular question: What type of spark plug is best for the 2013 petrol Land Cruiser, and should the gap be adjusted?

OEM‑spec iridium plugs matched to the exact engine code (1UR‑FE or 3UR‑FE, as applicable to market) are recommended. They come pre‑gapped to specification, measuring is fine, but adjusting fine‑wire iridium tips is generally not advised. Always follow the spec in the Toyota manual and the plug maker’s guidance.