Compatibility - Cadillac CTS 4-Door HF (2005-2007) - Cadillac STS 3.6L (2011) - OEM replacement parts numbers: 12674782, 12621649 What it does - Monitors oil pressure to verify oil pump operation, detect pump stalling, and sense low oil level - Provides reliable lubrication status in demanding or severe operating conditions - Designed as a direct OEM replacement to restore accurate readings Design and installation - Sensor location: behind the plastic protective cover, behind the intake manifold, or on top of the engine - Package includes an oil pressure sensor socket to facilitate quick removal and replacement of the old sensor - Built to match original specifications for a straightforward fit and reliable performance Performance and signals - Immediately communicates with the vehicle’s oil pressure gauge and/or engine computer - Delivers accurate oil pressure measurements and triggers the low oil pressure warning light when needed - Helps prevent engine damage by enabling timely maintenance alerts Use scenarios - Replacing a faulty sensor on a 2005-2007 Cadillac CTS to restore accurate readings and warning indicators - Replacing on a 2011 Cadillac STS 3.6L to maintain dependable oil pressure monitoring during heavy driving or demanding conditions - Routine maintenance or diagnostic sensor replacement to ensure reliable oil pressure signaling and engine lubrication status