To ensure reliability, purchase GM part # 21210001 Solenoid, Secondary Air Injection Switch. It is sometimes referred to as Saturn Diverter Valve, Saturn Secondary Air Injection Check Valve. 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 Saturn SC1, SW1, SW2 models.
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