High-performance 1D Automotive IRIDIUM Spark Plug with OEM-grade precision (DILKAR7B11 / 22401-1LA1C)

Premium iridium center electrode ensures ultra-durable spark delivery with 99.9% pure material for extended 60,000+ mile service life

Laser-welded fine-wire tip (0.6mm) maximizes combustion efficiency while reducing voltage requirements by 20% vs copper plugs

Exact OEM replacement for NISSAN vehicles (cross-reference part 22401-1LA1C) with triple-gasket sealed base preventing fuel leakage

Optimized heat range (7B11 coding) prevents pre-ignition in turbocharged engines while maintaining cold-start reliability (-22°F/-30°C)

Trivalent metal plating resists corrosion from ethanol-blended fuels and extends thread lifespan in aluminum cylinder heads

Precision-cast alumina insulator with ribbed design prevents flashover and maintains 50kV dielectric strength

Direct-fit application for Nissan Altima/Sentra/Rogue (2013-2021) with factory-spec 14mm hex size and tapered seat

Manufactured under IATF 16949 standards with 100% laser inspection for gap consistency (0.044" preset tolerance)

Bulk packaging available for repair shops - compatible with all gasoline formulations including E85 and premium unleaded