Japan Original Iridium SPARK PLUG KH20TT 4618 / K16TT 4603 / K20TT 4604
Premium iridium alloy tip ensures ultra-high durability and consistent ignition performance under extreme temperatures. Laser-welded fine-wire center electrode minimizes voltage requirements while maximizing fuel efficiency. Precision-engineered insulator design prevents misfires and carbon buildup, extending engine life. OE-grade ceramic material resists thermal shock for stable performance in high-compression engines. Direct-fit replacement for Japanese & global vehicle models (Toyota, Honda, Nissan etc.). Ideal for turbocharged engines, stop-start city driving, and long-distance highway cruising. Exclusive original packaging guarantees 100% authenticity. Bulk order discounts available for workshops and auto parts resellers. Ships globally with wholesale pricing advantages.