Alfa Romeo Oxygen Sensor 0258006389/46764207 Optimize fuel consumption restore engine condition

Alfa Romeo oxygen sensor (models 0258006389/46764207) designed for 2008-2015 Giulietta, 2010-2016 MiTo, and some 2012-2018 Giulia engines (1.4L/1.6L/2.0L gasoline/diesel); precisely matches OEM specs. Real-time monitoring of exhaust oxygen content and feedback to ECU to optimize fuel economy, restore engine power, and reduce emissions. OEM numbers 0258006389 and 46764207 noted for cross-checking. Replacement difficulty moderate; use professional wrench with anti-seize to avoid thread damage. This sensor is KLP brand; OE standard; suitable for bulk purchase for repair shops or fleet maintenance.