ACDelco 10374577 GM Original Equipment Digital Mobile Telephone Antenna with Snap-in Mast ACDelco GM OE Antennas have signal strength, clarity, and signal interference protection Made with durable materials to withstand exposure to harsh weather and car washes GM-recommended replacement part for your GM vehicles original factory component Offering the quality, reliability, and durability of GM OE Manufactured to GM OE specification for fit, form, and function