Delphi TC1321 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC1321 suspension control arm and ball joint assembly is designed for front right lower suspension applications on select BMW models. Engineered with durable aluminum construction and natural rubber bushings, this component provides reliable suspension performance for BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li vehicles.

• Compatible with BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li front right lower suspension
• Aluminum control arm with casting and forged construction for strength and lightweight design
• Includes natural rubber bushings for effective vibration dampening
• Threaded ball joint stud with 14mm diameter and 85mm length
• Mounting hardware included for straightforward installation
• Standard replacement grade with a silver finish
• Non-greaseable, no grease fitting included

Detailed Product Description

The Delphi TC1321 suspension control arm and ball joint assembly is a standard replacement part engineered specifically for the front right lower suspension of BMW 7 Series models including the 745i, 745Li, 750i, 750Li, 760i, and 760Li. Constructed from aluminum using a combination of casting and forging processes, this control arm balances strength and weight reduction to maintain vehicle handling and ride quality. The assembly includes natural rubber bushings that help absorb road vibrations and reduce noise, contributing to a smoother driving experience.

The ball joint stud is threaded with a 14mm diameter and an 85mm length, designed to fit securely within the suspension system. This assembly does not include grease fittings and is not greaseable, which aligns with the maintenance requirements of the original equipment. The control arm features a single mounting hole with a 12.2mm diameter and comes with all necessary mounting hardware for installation. Finished in silver, the part maintains a clean appearance while resisting corrosion.

Common Applications and Issues Addressed

• Replacement of worn or damaged front right lower control arm on BMW 7 Series
• Correction of suspension misalignment or uneven tire wear
• Reduction of clunking noises or vibrations from the front suspension
• Restoration of proper steering response and vehicle stability
• Addressing bushing deterioration or ball joint play

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before beginning installation
• Remove the old control arm assembly carefully to avoid damage to surrounding components
• Verify that the mounting hole diameter and ball joint stud dimensions match the vehicle specifications
• Torque all mounting hardware to manufacturer specifications for safety and performance
• Alignment check is recommended after installation to maintain proper suspension geometry

Quality Assurance and Warranty

The Delphi TC1321 suspension control arm and ball joint assembly is manufactured to meet or exceed OEM standards for fit, form, and function. This standard replacement grade part undergoes rigorous quality control to ensure durability and reliability in service. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in the product's performance.