Delphi TC4596 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

OE-Style Front Left Lower Control Arm

Delphi TC4596 is a front left lower suspension control arm and ball joint assembly built for direct replacement on select Hyundai and Kia EV and hybrid applications. It combines an aluminum control arm with a pre-greased ball joint, rubber bushings, and included mounting hardware for a service-ready repair.

Compatible With 2019-2023 Hyundai Kona Electric, front left lower; 2020-2023 Kia Soul EV, front left lower; 2017-2022 Hyundai Ioniq, front left lower; 2017-2022 Kia Niro, front left lower; and 2019-2022 Kia Niro EV, front left lower.

• Delphi part number TC4596 for OE-style suspension service
• Aluminum control arm construction with casting/forged design
• Ball joint included with threaded stud type and machined mounting
• Pre-greased assembly with dust boot, bushings, castle nut, cotter pin, and mounting hardware included
• Black rubber bushings and chloroprene rubber dust boot
• Standard replacement grade for front left lower suspension repair
• Clockwise (right) thread direction

Detailed Product Overview

Delphi TC4596 is engineered as a direct-fit front left lower control arm and ball joint assembly for Hyundai Kona Electric, Kia Soul EV, Hyundai Ioniq, Kia Niro, and Kia Niro EV applications. The aluminum arm measures 17.440 inches maximum length and 14.490 inches maximum width, with two mounting holes and a black uncoated finish. Delphi applies OE-focused dimensional and material analysis to help maintain proper fit and suspension geometry in the aftermarket replacement process. This part cross-references Mevotech Supreme CMS901280 and Suspensia X23CJ0004 for the same application.

Common Repair Uses

• Front-end clunking or looseness from a worn lower control arm
• Uneven tire wear caused by suspension geometry issues
• Steering pull or wandering linked to worn bushings or ball joint wear
• Noise over bumps from deteriorated rubber bushings or boot damage
• Restoring stable front left lower suspension operation after wear or corrosion

Installation Notes and Tips

Verify vehicle year, make, model, and front left lower position before installation. Inspect adjacent suspension components, alignment angles, and fasteners during service, and perform a professional wheel alignment after replacement. The assembly is pre-greased and includes the ball joint, bushings, dust boot, castle nut, cotter pin, and mounting hardware, which helps streamline installation on the listed applications.

Quality Assurance

Delphi subjects steering and suspension components to extreme temperature and salt-spray testing and uses OE-level dimensional and material analysis to support consistent fit and performance across the listed Hyundai and Kia applications.