ACDelco 45D10390 Professional Front Driver Side Upper Suspension Control Arm and Ball Joint Assembly

The ACDelco 45D10390 Professional Front Driver Side Upper Suspension Control Arm and Ball Joint Assembly is a high-quality aftermarket replacement designed to restore proper front suspension geometry and handling performance. This complete assembly integrates the upper control arm and ball joint into a single, ready-to-install unit, simplifying the replacement process and ensuring precise fit and function.

Key Features:

• Complete Assembly: Integrates the upper control arm and pre-installed ball joint for a straightforward, one-piece replacement
• Steel Construction: Heavy-duty steel control arm finished in a corrosion-resistant black coating for long-term durability
• Pre-Greased Ball Joint: Ships pre-greased and greaseable where applicable, allowing fresh lubricant to flush contaminants and reduce wear over time
• Grease Fitting Included: Grease fitting included to support ongoing maintenance
• Induction Hardened: Ball joint is induction hardened to match OE fatigue life for reliable, long-lasting performance
• CNC-Machined Housing: CNC-machined for consistency and high quality across every unit
• Rubber Bushings Included: Rubber bushings are included and pre-installed for a complete, no-hassle installation
• Mounting Hardware Included: All necessary mounting hardware is included
• Threaded Ball Joint Stud: Features a threaded ball stud design compatible with OE-style installation
• ACDelco Professional Grade: Manufactured to meet expectations for fit, form, and function as a high-quality alternative to Original Equipment (OE) parts

The control arm serves as the critical link between the vehicle's frame and steering knuckle, while the integrated ball joint allows the wheels and suspension to pivot smoothly. Together, they maintain proper wheel alignment, stable handling, and a controlled, comfortable ride. The ACDelco 45D10390 is engineered to restore your vehicle's suspension to like-new performance.