This 6 pack DENSO Iridium Power Spark Plug is compatible with Lexus RX300 2003, 2002, 2001, 2000, 1999 3.0L V6 Genuine DENSO parts. Experience DENSO Iridium Power spark plugs. A larger spark translates to more power and superior fuel economy. DENSO delivers all-round vehicle performance to a wide range of OE vehicles IRIDIUM POWER: These DENSO spark plugs feature a tapered cut, U-Groove ground electrode, 0.4mm iridium tip, and a 360-degree laser welding assembly process MAXIMUM PERFORMANCE: DENSO Iridium Power are designed for performance and power sports applications, designed to deliver maximum spark energy while withstanding temperatures greater than 4000 degrees GENUINE QUALITY: All DENSO spark plugs are direct replacement auto parts, and include original packaging. Confirm vehicle fitment with Amazon Confirmed Fit This part fits the following vehicles:

Compatible with Lexus RX300 1999 - 3.0L V6;Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Compatible with Lexus RX300 1999 - Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Compatible with Lexus RX300 2000 - 3.0L V6;Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Compatible with Lexus RX300 2000 - Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Compatible with Lexus RX300 2001 - 3.0L V6;Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Compatible with Lexus RX300 2001 - Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Compatible with Lexus RX300 2002 - 3.0L V6;Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Compatible with Lexus RX300 2002 - Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Compatible with Lexus RX300 2003 - 3.0L V6;Gap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90%