To ensure reliability, purchase GM part # 20850446 Antenna,Digital Radio & Mobile Telephone & Vehicle Locating. It is sometimes referred to as Chevrolet Antenna. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Silverado, Tahoe, Trailblazer models.
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