Premium Copper Core Electrode: Ensures faster heat dissipation and superior conductivity for optimal spark performance, enhancing engine efficiency and fuel economy.

Durable Iridium Tip: Precision-crafted iridium center electrode resists wear and corrosion, extending plug lifespan up to 60,000 miles under harsh driving conditions.

Triple Gasket Seal: Multi-layer steel construction prevents gas leakage and maintains consistent cylinder pressure, ideal for high-performance Toyota engines.

OEM-Equivalent Precision: Exact match for Toyota part numbers 90919-01210/01237, guaranteeing seamless compatibility with Camry, Corolla, RAV4, and Tacoma models.

Laser-Welded Ground Electrode: Computer-controlled welding ensures perfect ignition timing, reducing misfires in turbocharged or stop-start urban driving scenarios.

Anti-Fouling Ceramic Insulator: High-purity alumina ceramic prevents carbon buildup, critical for hybrid vehicles and frequent short-trip usage.

ISO 9001 Certified Manufacturing: Produced in automated MASUMA factories with robotic quality control, meeting strict JIS D1606 standards.

Bulk Purchase Advantage: Direct-from-factory pricing allows 30-50% savings compared to retail auto parts stores when ordering pallet quantities.