Delphi TD549W Suspension Control Arm Bushing - Rear Upper Outer

Delphi Suspension Control Arm Bushing Overview

The Delphi TD549W suspension control arm bushing is designed for rear upper outer positions on select BMW models. Constructed with durable rubber to metal material, this bushing provides reliable performance and helps maintain proper suspension alignment for vehicles like the BMW 325i and 330i.

• Material: Rubber to metal for effective vibration dampening
• Wall Thickness: 0.65 mm and 16.5 mm for structural integrity
• Length: 2.244 inches (57.0 mm) ensuring precise fitment
• Inside Diameter: 0.472 inches (12.0 mm) for secure mounting
• Outside Diameter: 45.1 mm for compatibility with control arm assembly
• Mounting Type: Press fit for straightforward installation
• Position: Rear upper outer suspension location
• Item Grade: Standard replacement quality

Detailed Product Description

The Delphi TD549W suspension control arm bushing is engineered to meet the exact specifications required for rear upper outer suspension components on various BMW models, including the 318i, 320i, 323Ci, 325xi, 328is, M3, and Z4. Its rubber to metal construction balances flexibility and strength, reducing noise and vibration while maintaining suspension geometry. The press fit mounting type ensures a secure and stable installation, minimizing movement and wear over time. With precise dimensions such as a 0.472 inch inside diameter and 45.1 mm outside diameter, this bushing fits seamlessly into the control arm assembly, supporting optimal vehicle handling and ride comfort.

Common Applications and Problem Solving

• Reduces suspension noise and vibration in rear upper outer control arm
• Restores proper alignment and handling characteristics
• Prevents premature wear of suspension components
• Eliminates excessive play or looseness in control arm mounting
• Improves overall ride stability on BMW 318i, 325i, and 330i models

Installation Notes and Tips

Installation of the Delphi TD549W bushing requires pressing the part into the control arm housing. It is recommended to use a hydraulic press or appropriate bushing installation tools to avoid damage. Ensure the suspension components are clean and free of debris before installation. After replacement, verify suspension alignment and inspect for any unusual noises or movement during test driving.

Quality Assurance and Warranty

Delphi suspension bushings are manufactured to meet OEM standards for fit, form, and function. The TD549W part is a standard replacement grade component designed to provide reliable service life. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence in product quality.