Premium Iridium Alloy Tip for superior conductivity and extended lifespan

Precision-engineered ceramic insulator resists high voltage and prevents current leakage

Multi-ground electrode design enhances ignition efficiency for faster engine starts

CNC-machined steel shell ensures perfect thread fit and corrosion resistance

OE-compatible replacement for 19850-54071 with exact torque specifications

Works with gasoline/diesel engines in sedans, SUVs, and light trucks

Laser-welded center electrode maintains consistent spark gap under extreme temperatures

ISO 9001 certified manufacturing with 100% quality control testing

Direct wholesale pricing with bulk discounts for repair shops and resellers