The 599-211XD HVAC Climate Control Module is designed for vehicles such as the Rainier, Bravada, Sierra, H2, and Avalanche. It features a Bolt-On mounting style in black color, and comes with the control module included. This module does not require any drilling or modifications for installation and is meant for vehicles with Automatic Air Conditioning Controls and Rear Window Defogger. It is a non-performance part manufactured in China, featuring OE/OEM Part Numbers like 15763065, 21998695, and others for compatibility with specific vehicle models.