福翼博特氧传感器CV6A-9G444-AA/0258010313，稳定信号输出

This Ford/Volvo sensor CV6A-9G444-AA/0258010313 is designed for Ford Focus (2005–2011, 1.8L/2.0L), Mazda3 (2004–2009, 2.0L) and Volvo S40 (2004–2012, 2.0L/2.4L); ensures exact match with original connectors. Core function is real-time monitoring of exhaust oxygen, feeding ECU to stabilize signal for optimized air-fuel ratio, improving fuel economy and reducing emissions. OEM CV6A-9G444 (Bosch 0258010313) cross-checks easily to avoid wrong purchases. Replacement difficulty medium; use a dedicated socket to remove; apply anti-seize during installation to prevent high-temperature sintering; torque 45–55 Nm. For B2B buyers, this sensor uses a high-temperature ceramic core with faster signal response by ~30%, effectively reducing false engine fault warnings; suitable for bulk stock.