Delphi TC3438 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC3438 suspension control arm and ball joint assembly is engineered for front right lower forward suspension applications on select BMW xDrive models. Designed with durable aluminum construction and natural rubber bushings, this assembly provides reliable suspension performance for vehicles like the BMW 328i xDrive and 335i xDrive.

• Aluminum control arm with casting and forged construction for strength and lightweight design
• Includes natural rubber bushings for effective vibration dampening
• Machined ball joint mounting with threaded stud for secure fitment
• Standard replacement grade suitable for light suspension use
• Compatible with multiple BMW xDrive models including 228i, 320i, 430i, and M240i

Detailed Product Features and Specifications

The Delphi TC3438 control arm assembly features a silver aluminum control arm measuring approximately 17.8 inches in length and 5.8 inches in width. It incorporates a machined ball joint mounting type with a 14 mm thread diameter and an 82 mm stud length, ensuring precise alignment and secure attachment. The assembly includes natural rubber bushings that help absorb road shocks and reduce noise, contributing to a smoother ride. This part is designed for light suspension grade applications and is not greaseable or pre-greased, with no grease fitting included. The control arm has one mounting hole with a diameter of 12.2 mm, and mounting hardware is included for installation.

Compatible BMW Models and Fitment Details

This suspension control arm and ball joint assembly is compatible with a range of BMW models equipped with xDrive all-wheel drive systems. Compatible vehicles include the BMW 228i xDrive, 230i xDrive, 320i xDrive, 328d xDrive, 328i xDrive, 330i xDrive, 335i xDrive, 340i xDrive, 428i xDrive (including Gran Coupe), 430i xDrive (including Gran Coupe), 435i xDrive (including Gran Coupe), 440i xDrive (including Gran Coupe), M235i xDrive, and M240i xDrive. The part number TC3438 ensures precise fitment for the front right lower forward suspension position.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive vibration or noise
• Loose or failing ball joints leading to poor steering response
• Corroded or weakened control arm structure affecting suspension geometry
• Uneven tire wear due to misaligned suspension components
• Reduced vehicle stability and handling performance

Installation Notes and Tips

When installing the Delphi TC3438 control arm assembly, ensure the vehicle is securely lifted and supported. Remove the old control arm carefully, noting the position of bushings and ball joints. Since this assembly is not greaseable and does not include grease fittings, no additional lubrication is required during installation. Verify torque specifications for the mounting hardware and ball joint stud to maintain proper suspension alignment. It is recommended to perform a wheel alignment after installation to ensure optimal handling and tire wear.

Quality Assurance and Warranty Information

Delphi suspension components are manufactured to meet or exceed OEM standards for durability and performance. The TC3438 control arm assembly is a standard replacement grade part designed for reliable service life. While specific warranty details may vary, Delphi typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.