雪铁龙C2/C3/C5倒车雷达传感器 9649186580 9653139777 1996-2011

This replacement part uses original-grade ultrasonic sensing elements and molding process; housing withstands weathering with stable signal from −30°C to 80°C, with similar service life to OEM. Fits Citroën C2 (2003-2009), C3 (2002-2010), C5 (2001-2008) and some 1996-2011 models. OEM numbers 9649186580, 9653139777, 1687921A. Functions by emitting 40 kHz ultrasonic waves to detect obstacles behind the vehicle, detection range about 0.3–2.5 meters, alarm tone frequency increases as distance shortens. Replacement requires removing the bumper inner lining, unplugging the original connector, plug-in directly, clip secure. Skilled technician can finish in about 20 minutes, but sensor color must match vehicle body or repainting may be required.