β‘Spark Plug Type
Infiniti QX60 Spark Plug Type
Find the correct spark plug type, gap size, and replacement interval for your Infiniti QX60. Covers all model years with torque specs.
Quick Answer
The Infiniti QX60 typically uses iridium or platinum spark plugs. Newer models (2010+) use long-life iridium plugs rated for 60,000-100,000 miles. Check below for your specific year.
2019-2024
2019-2024Spark Plug TypeIridium (long-life)
Plug Gap0.039" - 0.043" (1.0 - 1.1mm)
Replacement Interval60,000 - 100,000 miles
Torque Spec15 - 22 ft-lbs (check manual)
Quantity4 (inline-4) or 6 (V6)
Notes
- βIridium plugs last longer but cost more β do NOT re-gap iridium plugs
- βUse a torque wrench β over-tightened plugs can strip aluminum heads
- βApply a thin coat of anti-seize to threads (unless plug is pre-coated)
- βUse a spark plug socket with rubber insert to avoid cracking the ceramic insulator
2014-2018
2014-2018Spark Plug TypeIridium (long-life)
Plug Gap0.039" - 0.043" (1.0 - 1.1mm)
Replacement Interval60,000 - 100,000 miles
Torque Spec15 - 22 ft-lbs (check manual)
Quantity4 (inline-4) or 6 (V6)
Notes
- βIridium plugs last longer but cost more β do NOT re-gap iridium plugs
- βUse a torque wrench β over-tightened plugs can strip aluminum heads
- βApply a thin coat of anti-seize to threads (unless plug is pre-coated)
- βUse a spark plug socket with rubber insert to avoid cracking the ceramic insulator
Frequently Asked Questions
- What spark plugs does a Infiniti QX60 use?
- The Infiniti QX60 spark plug type varies by year and engine. Newer models (2010+) typically use iridium plugs for longer service life. Older models may use platinum or copper. Check the specs below for your exact year.
- How often should I change spark plugs on a Infiniti QX60?
- Modern Infiniti QX60 models with iridium plugs can go 60,000-100,000 miles between changes. Older models with copper plugs need replacement every 30,000 miles. Replace sooner if you notice misfires, rough idle, or poor fuel economy.
- What is the spark plug gap for a Infiniti QX60?
- Most Infiniti QX60 models use a spark plug gap between 0.039" and 0.044" (1.0-1.1mm). Pre-gapped plugs from the OEM are recommended. Do not re-gap iridium-tip plugs as it can damage the electrode.
- Can I upgrade to iridium spark plugs in my Infiniti QX60?
- Yes, upgrading from copper or platinum to iridium is generally safe and beneficial. Iridium plugs offer better ignitability, longer life, and improved fuel economy. Just match the correct heat range and gap for your engine.