Replacement For - OE Number: 20908127; suitable for GMC Sierra 1500 2009-2013.
Function - When the car is back to its limit, this parking sensor will be warning to attention driver. Measure the distance of vehicle rear and nearest obstacle. Protect your car body from scratches.
Material - Parking Sensor is made of durable plastic and metal material, durable and anti deform.
Installation - Easy to install and replace the broken one, no special tools needed.
Package List - 4 pcs Car Bumper PDC Reverse Parking Assist Sensor