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NGK Laser Iridium Spark Plug 90543 Experience dependable ignition performance with the NGK Laser Iridium Spark Plug 90543 . Designed for original equipment applications, this premium spark plug delivers a powerful combination of long-lasting durability , smooth starting , and consistent engine performance . Built to meet NGK’s high quality standards, the Laser Iridium design helps support reliable operation under demanding conditions. The iridium-tipped center electrode offers exceptional wear resistance, while the platinum pad ground electrode on many applications promotes even wear for improved longevity in distributorless ignition systems. OE-engineered for dependable fit and function Laser Iridium technology for extended service life Iridium center electrode for superior durability Platinum pad ground electrode for even wear Pure alumina ceramic helps resist overheating 98% pure copper core supports reliable starts and heat control Choose NGK 90543 for a spark plug designed to deliver consistent ignition, strong performance, and proven longevity .
Enhanced ignition reliability with OE-engineered design for perfect fit.
Laser Iridium technology extends service life, reducing replacement frequency.
Superior durability from iridium center electrode, withstands harsh conditions.
Even wear ensured by platinum pad ground electrode for optimal performance.
Advanced heat resistance from pure alumina ceramic for consistent operation.