Manufacturer Part Number: RK621356, MS50108, RK621355, MS50109, K80631 OE/OEM Part Number: 12474417, 12475475, 12475521, 15103878, 15103880, 20832022, 20832024, 22803674, 25800378, 25909326, 12474418, 12475476, 12475522, 15103879, 15103881, 20832023, 20832025, 22803675, 25800379, 25909327, 10385580, 12542993, 12546193, 15070821, 15167767, 15579588, 15665691, 15835052, 15840266, 5451067, 6L2Z5K484BA Applicable models: compatible with 2003 - 2009 Hummer H2, compatible with 2001 - 2007 GMC Sierra 1500, compatible with 1999 - 2010 GMC Sierra 2500, compatible with 2001 - 2010 GMC Sierra 3500, compatible with 2001 - 2013 GMC Yukon XL 2500, compatible with 2001 - 2007 Chevrolet Silverado 1500, compatible with 1999 - 2010 Chevrolet Silverado 2500, compatible with 2001 - 2010 Chevrolet Silverado 3500, compatible with 2001 - 2013 Chevrolet Suburban 2500, compatible with 2002 - 2006 Chevrolet Avalanche 2500 (Please confirm your vehicle details by VIN, and check your vehicle in the fitment filter system). HAWK BROTHER reminds you that regular replacement of your car's suspension kit will improve the comfort of your ride. The control arms with silicone bushings can effectively reduce road noise and driving vibration. Allowing you to enjoy a smooth ride through turns and bumps in the road. HAWK BROTHER suspension kit strictly follows the manufacturing standards and uses electrophoretic coating to increase corrosion protection and extend the life of the control arm. The high strength steel body makes it more stable in operation. All control arms are rigorously tested to provide a reliable replacement. HAWK BROTHER has now met the replacement of major automotive suspension kits around the world, replacing exactly the right part for every car, making your car more stable. Listing Includes: Front Sway Bar Links - K80631 Front Driver Side Lower Control Arm with Ball Joint - RK621356 Front Passenger Side Lower Control Arm with Ball Joint - RK621355 Applicable models: Compatible with 2003 - 2009 Hummer H2 Compatible with 2001 - 2007 GMC Sierra 1500 Compatible with 1999 - 2010 GMC Sierra 2500 Compatible with 2001 - 2010 GMC Sierra 3500 Compatible with 2001 - 2013 GMC Yukon XL 2500 Compatible with 2001 - 2007 Chevrolet Silverado 1500 Compatible with 1999 - 2010 Chevrolet Silverado 2500 Compatible with 2001 - 2010 Chevrolet Silverado 3500 Compatible with 2001 - 2013 Chevrolet Suburban 2500 Compatible with 2002 - 2006 Chevrolet Avalanche 2500