Delphi TC387 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC387 suspension control arm and ball joint assembly is designed for front right upper suspension applications on select Mercedes-Benz models. Engineered with durable aluminum construction and natural rubber bushings, this assembly provides reliable suspension performance for vehicles such as the 300SD, 300SEL, and 560SEL.

• Aluminum control arm with casting and forged construction for strength and lightweight design
• Threaded ball joint stud with 10.0 mm thread diameter and 57.5 mm stud length
• Natural rubber bushings for effective vibration dampening
• Single mounting hole with 12.2 mm diameter for secure fitment
• Standard replacement grade suitable for light suspension use
• Silver finish control arm with a maximum width of 80.0 mm (3.15 inches)
• Non-greasable design without grease fitting

Detailed Product Description

The Delphi TC387 suspension control arm and ball joint assembly is specifically engineered for front right upper suspension positions on Mercedes-Benz vehicles including the 300SD, 300SDL, 300SE, 300SEL, 350SD, 350SDL, 380SE, 380SEC, 380SEL, 420SEL, 500SEC, 500SEL, 560SEC, and 560SEL. Constructed from aluminum using a combination of casting and forging processes, this control arm balances strength and weight reduction to maintain suspension integrity and vehicle handling characteristics.

The assembly features a threaded ball joint stud with precise dimensions (10.0 mm thread diameter and 57.5 mm stud length) to ensure proper fit and secure attachment. Natural rubber bushings provide effective isolation from road vibrations and contribute to a smoother ride. The single mounting hole with a 12.2 mm diameter allows for straightforward installation and alignment.

Common Applications and Problem Resolution

• Replacement of worn or damaged front right upper suspension control arm on compatible Mercedes-Benz models
• Correction of suspension misalignment or uneven tire wear caused by faulty control arms
• Restoration of steering stability and handling performance
• Elimination of clunking noises or excessive play in the front suspension
• Addressing suspension component fatigue due to age or road conditions

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before beginning installation
• Verify compatibility with specific Mercedes-Benz model and year prior to installation
• Use proper torque specifications for mounting bolts and ball joint stud
• Inspect related suspension components for wear during replacement
• Alignment check is recommended after installation to maintain proper handling

Quality Assurance and Warranty

The Delphi TC387 suspension control arm and ball joint assembly is manufactured to meet standard replacement grade specifications, ensuring reliable performance and durability. While this part does not include a grease fitting and is non-greasable, it is designed for long-lasting service in light suspension applications. Delphi provides quality assurance consistent with OEM standards for Mercedes-Benz suspension components.