All Categories
Double Iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs
0.6mm fine wire firing pin provides superior ignitability and performance
360° continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability
7 year performance satisfaction guarantee
Original equipment, pre-gapped replacement delivering optimum fit, form and function
Fit type: Vehicle Specific
Product Description Bosch 9659/HR9BII33V Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing advanced original equipment (OE) spark plug technology. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the Iridium center electrode and ground electrode help it to go the distance. OE-matched spark position ensures compatibility with Gasoline Direct Injection (GDI) technology used in modern gas engines. Bosch Double Iridium Spark Plugs are pre-gapped at the factory and feature nickel plated rolled threads that require no anti-seize, for simple, easy installation right out of the box. Unlock the performance in your engine with Bosch Double Iridium Spark Plugs. brand_description Bosch Automotive