Bosch Double Platinum Spark Plugs are engineered to deliver both performance and long life, representing the best of OE spark plug technology. Bosch utilizes a platinum firing pin on the center electrode and platinum inlay in the ground electrode. This design reduces gap erosion, increases durability and performance life while meeting Original Equipment specifications for double platinum spark plugs.
With its roots dating back to 1886, Bosch is a well-established German company famous for its innovative and high-quality automotive components.
OE Part #
99917023390 / 999-170-233-90 / 999 170 233 90
99-91-7-023-590 / 99 91 7 023 590 / 99917023590
MFR Part # 7432
