Check the listing for details. 599-009 A/C Climate Control Module for 03-04 Chevy Silverado GMC NOT 599-211XD. Color: Black, Condition: New. Listed at 85.20 USD. Before purchasing, Please check our photos and make sure the part shown looks identical to your original one 12Pins + 24 Pins This climate control module is designed to match original factory performance. Direct replacement for easy installation 100% Brand New Replace Part Number: 599-009, 15107730 !!!NOT 599-211XD Please carefully make sure the OEM part number before you buying and use amazon confirmedfit to make sure the climate control module fit your car Function Control the temperature Distribute air-flow and air Control the fan speed Internal circulation Compatible with Cadillac 2003-2004 Cadillac Escalade 2003-2004 Cadillac Escalade ESV 2003-2004 Cadillac Escalade EXT Compatible with Chevy 2003 Chevy Avalanche 1500 2003 Chevy Avalanche 2500 2003-2004 Chevy Silverado 1500 2003 Chevy Silverado 1500 HD 2003-2004 Chevy Silverado 2500 2003-2004 Chevy Silverado 2500 HD 2003-2004 Chevy Silverado 3500 2003-2004 Chevy Suburban 1500 2003-2004 Chevy Suburban 2500 2003-2004 Chevy Tahoe Compatible with GMC 2003-2004 GMC Sierra 1500 2003 GMC Sierra 1500 HD 2003-2004 GMC Sierra 2500 2003-2004 GMC Sierra 2500 HD 2003-2004 GMC Sierra 3500 2003-2004 GMC Yukon 2003-2004 GMC Yukon XL 1500 2003-2004 GMC Yukon XL 2500