Features: The key switch on the steering wheel is convenient for the driver to control the voice, hang up, switch the interface and other operations The passenger side radio control switch is made of plastic, which is stable performance,anti corrosion, wear-resistant, durable and long lasting. Details: Material: Plastic, Metal Color: Black Pin Number: 4 OE Number:21997739 Fitment: for Buick Rainier 2004-2005 for Cadillac Escalade 2003-2006 for Chevrolet Avalanche 1500 2003-2006 for Chevrolet Avalanche 2500 2003-2006 for Chevrolet Silverado 1500 2003-2007 for Chevrolet Silverado 1500 HD 2003 for Chevrolet Silverado 1500 HD 2005-2006 for Chevrolet Silverado 2500 2003-2004 for Chevrolet Silverado 2500 HD 2003-2007 for Chevrolet Silverado 3500 2003-2007 for Chevrolet Silverado 3500 HD 2007 for Chevrolet Suburban 1500 2003-2006 for Chevrolet Suburban 2500 2003-2006 for Chevrolet Tahoe 2003-2006 for Chevrolet Trailblazer 2004-2009 for Chevrolet Trailblazer EXT 2005-2006 for GMC Envoy 2004-2009 for GMC Sierra 1500 2003-2007 for GMC Sierra 1500 HD 2003 for GMC Sierra 1500 HD 2005-2006 for GMC Sierra 2500 2003-2004 for GMC Sierra 2500 HD 2003-2007 for GMC Sierra 3500 2003-2006 for GMC Sierra 3500 HD 2007 for GMC Yukon 2003-2006 for GMC Yukon XL 1500 2003-2006 for GMC Yukon XL 2500 2003-2006 for Hummer H2 2003-2007 Please Note: Please check the OE number and fitment to see if it fits your vehicle before ordering. This is non-OEM product, accessory ONLY! Package List:1 Pcs Steering Wheel Control Switch