Infiniti 54501-1NA1A Control Arm Assembly

This front left lower control arm assembly (transverse link) is engineered as a direct replacement for Infiniti part number 54501-1NA1A. The component integrates a pre-installed ball joint and features aluminum alloy construction for reduced unsprung weight and corrosion resistance. It mounts to the front subframe and steering knuckle, maintaining factory suspension geometry and alignment specifications. The assembly supersedes previous revisions including 54501-1NA0A, 54501-JK51A, 54501-1NA2A, 54501-1NA3A, and 54501-1NA4A. The latest service part 54501-1NA4B replaces this number in current OEM catalogs. Unit weight is approximately 7 kg. Designed for all-wheel-drive variants of the applicable models. Cross-reference interchange includes aftermarket numbers CMS301032 (Mevotech), GS301032, TED43874 (Tedgum), APCA8471 (A-Premium), and Febest NAB-S51 series bushings. Verified fitment covers 2007-2008 Infiniti G35 AWD, 2009-2013 Infiniti G37 AWD, 2011-2012 Infiniti G25 AWD, and 2015 Infiniti Q40 AWD equipped with VQ35HR, VQ37VHR, or VQ25HR engines.