Delphi TC2821 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward or Front Left Upper Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC2821 suspension control arm and ball joint assembly is designed for precise fitment on select BMW models, including the 528i, 535d, 535i, 550i, 640i, 640i Gran Coupe, 650i, 650i Gran Coupe, and ActiveHybrid 5. Engineered with durable aluminum construction and integrated bushings, this assembly supports reliable suspension performance and vehicle handling.

• Control arm made from lightweight, durable aluminum with casting/forged construction
• Includes rubber and aluminum bushings for effective vibration dampening
• Threaded ball joint stud with a 16mm diameter and 85mm length for secure attachment
• Designed for front left lower forward and front left upper forward suspension positions
• Standard replacement grade suitable for light suspension applications
• Silver finish control arm with a maximum length of 470mm and width of 170mm
• One mounting hole with a diameter of 14.3mm included

Detailed Product Description

The Delphi TC2821 suspension control arm and ball joint assembly is crafted to meet the specific suspension requirements of various BMW models. Its aluminum control arm construction combines casting and forging techniques to provide a balance of strength and weight savings. The assembly includes rubber and aluminum bushings that help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint features a threaded stud type with precise dimensions to ensure proper fit and secure connection within the suspension system. This assembly is designed for light suspension grade applications and is not greaseable or pre-greased, which aligns with the maintenance standards for the specified BMW vehicles.

Common Applications and Problem Resolution

• Replacement for worn or damaged front left lower and upper forward control arms on BMW 5 and 6 Series models
• Addresses issues such as uneven tire wear caused by faulty suspension components
• Improves steering stability and handling performance
• Eliminates clunking noises from loose or failing ball joints
• Restores proper suspension geometry for enhanced vehicle safety

Installation Notes and Tips

When installing the Delphi TC2821 control arm and ball joint assembly, ensure the vehicle is securely lifted and supported. Verify the correct positioning for front left lower forward or upper forward suspension locations. Since the assembly is not pre-greased and does not include grease fittings, no additional lubrication is required during installation. Use the included mounting hardware and torque all fasteners to manufacturer specifications to maintain suspension integrity and safety.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet OEM standards for fit, form, and function. The TC2821 assembly is a standard replacement grade part designed to provide reliable service life consistent with original equipment. While specific warranty details are not provided, Delphi products typically come with a limited warranty covering defects in materials and workmanship under normal use conditions.