- Compatibility: Designed specifically for Pontiac models from 2002 to 2010, this air conditioning refrigerant pressure switch sensor (part numbers 13502759, 6E5Z19D594AA, 22678731) ensures a perfect fit and reliable performance. - Reliable Performance: This air conditioning pressure sensor delivers accurate pressure readings, crucial for the optimal operation of your vehicle's air conditioning system. It is engineered to withstand heat and resist rust, ensuring long-lasting reliability. - Functionality: The pressure switch protects the refrigeration system from extreme pressures, preventing potential damage. It also helps regulate the engine cooling fan speed and automatically adjusts the air conditioning temperature based on the vehicle's internal environment. This functionality promotes a balanced temperature, enhances performance, and reduces fuel consumption and emissions. - Easy Installation: Installing this air conditioning pressure sensor is straightforward and requires no special tools. Its user-friendly design allows for a hassle-free setup, making it accessible for both professionals and DIY enthusiasts. - Practical Applications: 1. Ideal for maintaining a comfortable cabin temperature during hot summer months, ensuring a pleasant driving experience. 2. Essential for preventing air conditioning system failures, which can lead to costly repairs and discomfort. 3. Useful for improving engine efficiency by optimizing cooling fan speed, ultimately contributing to better fuel economy. This air conditioning pressure switch is an essential component for maintaining the performance and efficiency of your Pontiac's air conditioning system.