High Pressure AC Sensor Switch Replaces OEM 1551343 13587668 For Buick Cadillac Pontiac Saturn Chevrolet GMC HVAC Refrigerant Pressure Transducer Air Conditioning Sensor Unit

Single unit high pressure A/C sensor switch for OEM 1551343
✔️ Direct-fit high pressure sensor switch, OEM replacement for GM

This high pressure AC sensor switch is a sturdy replacement part that monitors refrigerant pressure in real time and communicates with the vehicle's ECU to regulate the A/C compressor. It helps protect the system from damage due to overpressure or underpressure, ensuring stable cooling performance in GM family vehicles and other listed brands from Buick to Saab. Built with an aluminum alloy body and engineering plastic, it resists corrosion and wear for long service life in harsh automotive environments.

✅ Replaces OEM numbers: 1551343, 15-51343, 13587668, 13502759, 1550147, 1551258, 155884, 22634172, 22678731, SW10093C
✅ Core material: aluminum alloy body with engineering plastic for durability and corrosion resistance
✅ Compatibility: 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
✅ Function: monitors refrigerant pressure and signals ECU to control compressor operation

💡 What is a high pressure A/C sensor switch used for in a car's HVAC system?

- It monitors refrigerant pressure in real time to protect the A/C components - It sends pressure data to the vehicle ECU to control the A/C compressor clutch - It helps prevent damage from overpressure or underpressure, improving system safety - It serves as a reliable OEM replacement for part numbers like 1551343 and SW10093C