2009-2011 Buick Lucerne Roof Mount, Shark Fin antenna cover. Item is already painted Switchblade silver color from the factory.

New. Never Installed. OEM Part

GM Part # 25840133 (number on the actual part)

Alternate GM Part # 25840137

ACDelco Part # 25840133

GM Paint Code--636R

Item is number 1 in the GM diagram