OEM Nissan Spark Plug, Part No. 22401-5M015.

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

Function: Produces a precise, high-voltage spark to ignite the compressed air–fuel mixture, ensuring efficient combustion, smooth acceleration, reliable starts, and stable engine performance.

Compatibility: Fits Nissan Altima (2013-2017, GCC/UAE spec, 3.5L VQ35DE V6 engine). Also applicable to other Nissan/Infiniti vehicles using the same VQ35DE engine (e.g., Maxima, Murano). Superseded in some catalogs by 22401-5M016. Always confirm fitment with VIN/chassis before purchase.

Material/Construction: Fine-wire iridium center electrode with platinum ground electrode, factory-gapped to Nissan specifications. Engineered for extended service life and stable ignition under high-compression operation.

Performance: Meets Nissan OEM standards for ignition efficiency, combustion stability, and durability. Designed to withstand high temperatures and harsh driving conditions.

Replacement Interval: Replace every 80,000-100,000 km or according to Nissan service schedule for VQ35DE engines.