To ensure reliability, purchase GM part # 19420357 BASE ASM,RDO ANT ECCN=5A991. It is sometimes referred to as GM Antenna Base. 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 Colorado models. It fits GMC Canyon.
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