The 2003-2006 Tahoe Yukon Silverado Sierra Escalade HVAC Heater A/C Climate Control is a black plastic controller with screw-on, clip-on, and bolt-on mounting styles. It includes a harness adapter and has a 1-month manufacturer warranty. This GM product is designed for left-hand drive vehicles and is an interchangeable part with various manufacturer part numbers. It does not require any drilling or modifications for installation and is a genuine OE/OEM part with specific interchange part numbers for compatibility.