To ensure reliability, purchase GM part # 19420126 CONVERTER ASM,3WAY CTLTC "KIT". It is sometimes referred to as Cadillac Catalytic Converter. 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 Cadillac CTS models.
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