To ensure reliability, purchase GM part # 12604020 Exhaust Manifold Assembly (W/ Catalytic Converter) Cadillac Exhaust Manifold. 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 SRX, STS models.
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