Features: Replaces your broken ignition lock cylinder to fix ignition problems. Made of durable metal material with strong construction for long-lasting durability and reliability Easy to install and operate with good sensitivity. OE Number: US312L,LS1724C, 15298923 This is non-OEM product, accessory ONLY! Specification: Color: Silver Tone, Black Size: 6.4x4.1cm / 2.52''x1.61''(H*D) Material: Metal Type: Ignition Lock Switch Cylinder with Keys Place on Vehicle: Driver Side Fit for: for Chevrolet Avalanche 1500 2003-2006 for Chevrolet Avalanche 2500 2003-2006 for Cadillac Escalade 2003-2007 for Cadillac Escalade ESV 2003-2006 for Cadillac Escalade EXT 2003-2006 for Hummer H2 2003-2007 for GMC Sierra 1500 2003-2006 for GMC Sierra 1500 Classic 2007 for GMC Sierra 1500 HD 2003 2005 2006 for GMC Sierra 1500 HD Classic 2007 for GMC Sierra 2500 2003-2004 for GMC Sierra 2500 HD 2003-2006 for GMC Sierra 2500 HD Classic 2007 for GMC Sierra 3500 2003-2006 for GMC Sierra 3500 Classic 2007 for Chevrolet Silverado 1500 2003-2006 for Chevrolet Silverado 1500 Classic 2007 for Chevrolet Silverado 1500 HD 2003 2005 2006 for Chevrolet Silverado 1500 HD Classic 2007 for Chevrolet Silverado 2500 2003 2004 for Chevrolet Silverado 2500 HD 2003-2006 for Chevrolet Silverado 2500 HD Classic 2007 for Chevrolet Silverado 3500 2003-2006 for Chevrolet Silverado 3500 Classic 2007 for Chevrolet Suburban 1500 2003-2006 for Chevrolet Suburban 2500 2003-2006 Package Includes: 1 Pcs Ignition Lock Cylinder 2 Pcs Keys