To ensure reliability, purchase GM part # 25857958 Seal Assembly, Catalytic Converter. It is sometimes referred to as Cadillac Exhaust Flange Gasket, Cadillac Catalytic Converter Gasket. 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, SRX, STS models.
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