AC Pressure Switch Sensor OEM Replacement Cross Reference 1551343 13587668 For Buick Cadillac Pontiac Saturn Chevrolet GMC High Pressure Air Conditioning Refrigerant Sensor And HVAC Transducer
✔️ Fits Buick, Cadillac, GMC (2002-2018); single-unit cross-ref
This high-pressure AC pressure switch sensor is an OEM replacement cross reference designed for automotive HVAC systems. It’s used to monitor refrigerant pressure, sending accurate data to the vehicle's control module or gauge cluster to protect components like the compressor and ensure proper cooling performance. This part covers Buick, Chevrolet, GMC, Cadillac and other GM brands across model years listed in the compatibility notes.
✅ Replaces OEM codes: 1551343, 13587668, 15-51343, 1550147, 1551258, 155884, 22634172, 22678731, 13502759, SW10093C
✅ High-pressure switch for automotive A/C; not the low-pressure variant
✅ Material: aluminum and plastic; lightweight, rust-proof and corrosion-resistant
✅ Dimensions: 1.88 in × 0.90 in (47.8 mm × 22.9 mm)
✅ Compatibility covers Buick (2003-2018), Chevrolet (2002-2018), GMC (2003-2018), Hummer (2004-2010), Saturn (2002-2010), Cadillac (2003-2017), Ford (2007-2012), Isuzu (2006-2017), Mercury (2007-2010), Oldsmobile (2002-2004), Pontiac (2002-2010), Saab (2007-2009)
✅ Note: high-pressure switch only; ensure electrical connections are clean and dry before install
💡 What is an AC pressure switch sensor used for in automotive HVAC systems?
It monitors refrigerant pressure and communicates data to the vehicle’s HVAC controller, helping protect the compressor and optimize cooling.
- automotive air conditioning pressure sensor replacement part for Buick/Cadillac/GMC vehicles
- cross-reference compatible with OEM codes 1551343, 13587668 and related numbers
- provides accurate high-pressure refrigerant data to the HVAC control module and gauge cluster
- easy, plug-and-play replacement that helps prevent compressor damage and cooling issues