Delphi TC4345 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

OE-Style Front Left Lower Control Arm

Delphi TC4345 is a front left lower suspension control arm and ball joint assembly for select 2016-2021 Honda Civic models. Built with stamped steel construction, a pre-greased ball joint, and included bushings, it supports precise front suspension geometry and steering response.

Fits 2016-2021 Honda Civic, front left lower. Delphi applies OE-focused dimensional and material analysis to help the aftermarket part match the original application more closely. This part cross-references MOOG Chassis Products RK623649 for the same application.

Key Features

• Part number TC4345
• Front left lower position for select Honda Civic applications
• Stamped steel control arm construction with painted finish
• Ball joint included with bolt-in mounting type
• Pre-greased design with dust boot included
• Bushings included with rubber bushing material
• Adjustable design for suspension alignment service
• Mounting hardware and locking nut included
• Clockwise (right) thread direction
• Premium grade replacement component

Detailed Description

Delphi TC4345 is engineered as a suspension control arm and ball joint assembly for the front left lower location on 2016-2021 Honda Civic vehicles. The stamped steel arm, black painted finish, and included rubber bushings are selected for OE-style fit and serviceability. The assembly also includes a threaded ball joint stud, chloroprene rubber dust boot, and pre-greased joint for direct replacement service. Delphi validates its steering and suspension components through temperature and corrosion testing, including exposure to extreme heat, sub-zero conditions, and extended salt spray, to help confirm material durability and dimensional consistency. Part number TC4345 is a practical choice when replacing a worn front suspension arm on a Honda Civic.

Common Problems This Part Addresses

• Clunking or knocking from the front suspension
• Excessive play in the lower control arm or ball joint
• Uneven tire wear caused by worn suspension geometry
• Steering pull or unstable road feel
• Failed bushings, cracked boots, or loosened mounting points

Installation Notes and Tips

Verify fitment by year, make, model, and front left lower position before installation. Inspect adjacent suspension components, alignment angles, and mounting points for wear or damage before replacing the arm. Because this assembly is adjustable, a professional wheel alignment is recommended after installation to restore proper suspension settings on the Honda Civic.

Quality Assurance

Delphi uses OE-based engineering, dimensional analysis, and material testing to support consistent fit and performance. Its suspension and steering parts are tested across extreme temperature ranges and salt spray exposure to evaluate durability in demanding conditions.