OEM Nissan Spark Plug, Part No. 22401-5M016.

Application/Position: Engine ignition system - iridium spark plug, installed in combustion chambers (6 plugs required for 3.5L VQ35DE engine).

Function: Provides a reliable, high-energy spark to ignite the air–fuel mixture, ensuring efficient combustion, smooth engine operation, and consistent performance under varied driving conditions.

Compatibility: Fits Nissan Altima (2016–present, GCC/UAE spec, 3.5L VQ35DE V6 engine). Also applicable to other Nissan/Infiniti models equipped with the VQ35DE engine, such as Maxima and Murano. Supersedes earlier plug number 22401-5M015. Always confirm fitment with VIN/chassis before purchase.

Material/Construction: Fine-wire iridium-tipped center electrode with platinum ground electrode. Factory-gapped to Nissan OEM specifications, ensuring long service life and consistent ignition performance.

Performance: Meets Nissan OEM standards for ignition stability, durability, and fuel efficiency. Designed for extended service intervals and to withstand high combustion temperatures in V6 engines.

Replacement Interval: Replace every 80,000–100,000 km, or as per Nissan service guidelines for VQ35DE engines.