What is the plastic part under the rear bumper called?
What is the plastic part under the rear bumper called? A bumper valance, also known as an air dam or rear spoiler, is a panel located below the bumper, usually installed for decorative or aerodynamic purposes. What is the plastic bumper called? Bumpers of most modern automobiles have been made of a combination of polycarbonate (PC) and acrylonitrile butadiene styrene (ABS) called PC/ABS. Are bumpers supposed to be plastic? Jumpers must be electrically conducting; they are usually encased in a non-conductive block of plastic for convenience. This also avoids the risk that an unshielded jumper will accidentally short out something...