Drivetrain Damper
WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
A weight attached to the engine, the transmission, the transfer case or the axle. It is tuned by weight and placement to absorb vibration.