What spark plug does the 2007-2014 Toyota FJ Cruiser 4L V6 · 2007-2014 take?

The 2007-2014 Toyota FJ Cruiser 4L V6 · 2007-2014 takes the ILFR6T11 (NGK). Gap it to 0.043 in (1.09 mm). Confirmed against two independent maker sources — your owner's manual is the final word.

2007-2014 Toyota FJ Cruiser spark plug & gap

The exact spark plug your FJ Cruiser takes, plus the gap and the change interval — cross-checked against two independent maker sources so you buy the right plug the first time.

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4L V6 · 2007-20144.0L-V6

Spark plug part number

NGKILFR6T11(heat range 6 — NGK scale)
DensoK20HRU11

Confirmed from NGK + Denso · verified Jun 2026.

Gap

0.043 in (1.09 mm)

We don't stock a reviewed plug for this engine yet. Search the confirmed part number on Amazon — it's the safest way to land on the right plug.

Find NGK ILFR6T11 on Amazon

Where this came from

NGK.com ILFR6T11 application page — source
RockAuto catalog — DENSO spark-plug fitment for 2010 TOYOTA FJ CRUISER 4.0L V6 — source

Part number and gap confirmed against two independent maker sources — never changed by what an affiliate link pays us. Heat range is shown per brand on purpose: a Denso number and an NGK number don't mean the same thing, so never compare them directly. Your owner's manual is always the final word.