ACDelco LS91 GM Original Equipment Multi-Purpose Lamp Socket Heavy duty bindings offer a greater hold against vibration, abrasions, and moisture Protective outer coverings protect against even the toughest conditions Wires are color-coded correctly for easy installation GM-recommended replacement part for your GM vehicle's original factory component Offering the quality, reliability, and durability of GM OE Manufactured to GM OE specification for fit, form, and function