Factory Direct Denso Iridium Spark Plug IK20 (90919-01178)

Premium Iridium Core
High-performance iridium tip ensures extreme durability and precise ignition, reducing voltage requirements for smoother starts.
Laser-Welded Construction
Precision laser welding enhances structural integrity, preventing misfires and extending plug life up to 60,000 miles.
Optimized Heat Range
Engineered for stable combustion in turbocharged and high-compression engines, ideal for Buick, Chevrolet, and Hyundai models.
OEM-Spec Accuracy
Exact fit (90919-01178) with factory-sealed packaging, guaranteeing 100% compatibility and peak engine performance.
Bulk Purchase Advantage
Lowest global wholesale pricing for garages, retailers, and fleet operators—no minimum order. Ships worldwide.