The GM Dash Control Unit for 1990-2001 GM Trucks #15169225 is a screw-on mounting style control unit specifically designed for GM trucks. It comes with a 1-year manufacturer warranty and does not require any drilling or modifications for installation. This OE/OEM part number 15169225 is a genuine GM product, ensuring a perfect fit and reliable performance for your vehicle's HVAC system. Ideal for those looking to replace or upgrade their existing dash control unit, this product offers a seamless and efficient solution for controlling your truck's air conditioning and heating system.