The bosch spark plug, also known by its short code hr7nii332w, is a double iridium spark plug engineered for high-performance gasoline engines. double iridium design: features iridium firing pins on both the center and ground electrodes, enhancing durability and ignition performance. 
this spark plug is compatible with a range of vehicles from manufacturers such as ford, opel, volvo, chevrolet, lincoln, mazda, and suzuki. it corresponds to several oem part numbers, including: 
• ford: 1686133, ag9g12405bc, cyfs12y1, cyfs12y3, cyfs12yp, cyfs12yt3 
• lincoln: cyfs12y1, cyfs12y3, cyfs12yt3 
• opel: , 32017040 
• volvo: 30758130,