[Applicable Models-1]：Fit for Chevrolet Avalanche 2500 2002-2006; Silverado 1500 2005-2006; Silverado 1500 Classic 2007; Silverado 1500 HD 2001-2003 & 2005-2006; Silverado 1500 HD Classic 2007; Silverado 2500 2001-2004; Silverado 2500 HD 2001-2010; Silverado 3500 2001-2006; Silverado 3500 HD 2007-2010; Suburban 2500 2001-2013; Fit for Hummer H2 2003-2009 [Applicable Models-2]：The Steering Knuckle Assembly Fit for GMC Sierra 1500 2005-2006; Sierra 1500 Classic 2007; Sierra 1500 HD 2001-2003 & 2005-2006; Sierra 1500 HD Classic 2007; Sierra 2500 2001-2004; Sierra 2500 HD 2001-2010; Sierra 3500 2001-2006; Sierra 3500 Classic 2007; Sierra 3500 HD 2007-2010; Yukon XL 2500 2001-2013 [Position and Reference Part Number]: Position：Front Left Driver Side；Reference Part Number：698-017 698017 18060908 18079493 25850470 [Prominent Performance]: The steering knuckle Assembly is made of sturdy cast iron, which has Exremely Wear Resistance and high compressive strength, resulting in a longer service life. [Manufacturing standard]: steering knuckle Manufactured to strict OE specifications and compatible with other suspension components for the above models Fitment: Fit for Chevrolet Avalanche 2500 2002-2004 Silverado 1500 Crew Cab Pickup Over 9, 900lb GVW 2005-2006 Silverado 1500 Classic Crew Cab Pickup Over 9, 900lb GVW 2007-2007 Silverado 1500 HD Crew Cab Pickup Over 9, 900lb GVW 2001-2003/2005-2006 Silverado 1500 HD Classic Crew Cab Pickup Over 9, 900lb GVW 2007-2007 Silverado 2500 2001-2004 Silverado 2500 HD 2001-2010 Suburban 2500 2001-2005 Suburban 2500 2007-2013 Silverado 3500 2001-2006 Silverado 3500 Classic 2007 Silverado 3500 HD 2007-2010 Fit for GMC Sierra 1500 Crew Cab Pickup Over 9, 900lb GVW 2005-2006 Sierra 1500 Classic Crew Cab Pickup Over 9, 900lb GVW 2007-2007 Sierra 1500 HD Crew Cab Pickup Over 9, 900lb GVW 2001-2003/2005-2006 Sierra 1500 HD Classic Crew Cab Pickup Over 9, 900lb GVW 2007-2007 Sierra 2500 2001-2004 Sierra 2500 HD 2001-2010 Sierra 3500 2001-2006 Sierra 3500 Classic 2007-2007 Sierra 3500 HD 2007-2010 Yukon XL 2500 2007-2013 Fit for Hummer H4 2003-2009 Notes: Please check your model, year to make sure the steering knuckle is compatible with your car before you pay. Position: Front Left Driver Side. Replace Number: 698-017 698017 18060908 18079493 25850470 Feature: Help prevent rust and corrosion Minimize excessive noise and wear Make of sturdy and durable Ensuring precisely matches, durability, reliability and premium performance Good maneuverability Suitable steering force and position sense With return-to-square function Proper road feel Reliable operation Energy efficient