The NGK BKR6EYA-11 (Manufacturer Part Number: 4073) is a standard nickel alloy spark plug commonly used as an OEM replacement for various Toyota, Lexus, and Daihatsu engines. The "-11" suffix indicates it comes pre-gapped to 1.1 mm (0.044").


Key Specifications & FeaturesThread Diameter:
14 mmThread Reach:19 mmHex Size:16 mmSeat Type: Flat (includes a gasket seat for a leak-free fit)Design: Features a V-grooved center electrode and solid copper core for enhanced ignitability and better heat dissipationHeat Range: 6Lifespan: Recommended replacement interval is 20,000 to 40,000 km