凯迪拉克2.0T/君越/昂科威 铱铂金火花塞 ILTR6M9G 94489

Cadillac 2.0T turbocharged engines (ATS-L, XTS), Buick LaCrosse 2.0T and Envision 2.0T use iridium-platinum spark plug ILTR6M9G (OEM number 94489), covering 2013-2020 models with 2.0L displacement. Core function is stable ignition and improved combustion efficiency to optimize power output and fuel economy, extending service life to approximately 80,000–100,000 km. OEM number ILTR6M9G can be cross-checked directly with the original part for compatibility. Replacement difficulty is medium; use professional tools and follow service manual instructions.