Delphi TC3089 Suspension Control Arm - Rear Left Lower, Rear Left Upper or Rear Left Upper Rearward

Delphi Suspension Control Arm for Audi and Porsche Vehicles

The Delphi TC3089 suspension control arm is engineered for reliable performance in select Audi and Porsche models. Constructed from durable steel and aluminum, this control arm is designed to maintain proper suspension geometry and improve vehicle handling.

• Material: Steel and aluminum for strength and corrosion resistance
• Construction: Casting and forged for enhanced durability
• Bushing Color: Gray rubber bushings included for vibration dampening
• Ball Joint Mounting Type: Press-in (ball joint not included)
• Color: Silver finish for corrosion protection
• Position: Rear left lower, rear left upper, and rear left upper rearward
• Compatible with multiple Audi and Porsche models including A4, A5, A6, A7, A8, Macan, Q5, RS5, RS7, S4, S5, S6, S7, S8, and SQ5

Durable Construction and Design Features

The TC3089 control arm combines steel and aluminum materials using casting and forging processes to provide a balance of strength and weight savings. The gray rubber bushings, made from a combination of rubber, steel, and aluminum, help absorb road vibrations and reduce noise. This control arm is designed with a press-in ball joint mounting type, allowing for secure attachment of the ball joint (sold separately). Its silver finish offers additional protection against corrosion, extending the service life of the component.

Compatible Vehicles and Applications

This suspension control arm is a standard replacement part specifically designed for rear left lower, rear left upper, and rear left upper rearward positions on various Audi and Porsche models. Compatible vehicles include Audi A4, A4 allroad, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, A7 Quattro, A8 Quattro, allroad, Q5, RS5, RS7, S4, S5, S6, S7, S8, SQ5, and Porsche Macan.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling or noise
• Corroded or weakened control arm structure affecting suspension alignment
• Loose or failing ball joint mounting points leading to steering instability
• Uneven tire wear due to suspension misalignment
• Reduced ride comfort from deteriorated suspension components

Installation Notes and Tips

When installing the Delphi TC3089 control arm, ensure the ball joint is compatible and installed separately as it is not included. Verify the correct position on the rear left side of the vehicle before installation. Since mounting hardware is not included, use OEM or high-quality replacement hardware to secure the control arm properly. It is recommended to have a professional alignment performed after installation to maintain proper suspension geometry.

Quality Assurance and Warranty

The Delphi TC3089 suspension control arm meets standard replacement grade specifications, ensuring reliable performance and durability. Manufactured with precision casting and forging techniques, this part is designed to meet OEM standards. While specific warranty details are not provided, Delphi products typically come with a limited warranty covering defects in materials and workmanship.