To ensure reliability, purchase GM part # 12101857 Connector,Valve, Secondary Air Injection Bypass. It is sometimes referred to as GM Engine Wiring Harness Connector, GM Instrument Panel Harness Connector. 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 Escalade, Fleetwood models. It fits Chevrolet Blazer, Camaro, Tahoe. It also fits GMC C2500, Suburban, Yukon. This also fits Pontiac Firebird, Trans Sport.
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