Delphi TD551W Suspension Control Arm Bushing - Rear At Knuckle (Lower)

Delphi Suspension Control Arm Bushing Overview

The Delphi TD551W suspension control arm bushing is engineered for precise fitment and reliable performance in various BMW models. Designed with a rubber to metal construction, this rear lower knuckle bushing ensures effective vibration dampening and suspension stability.

• Material: Durable rubber to metal composite
• Wall Thickness: 0.801 inches (20.4 mm)
• Length: 2.64 inches (67.3 mm)
• Inside Diameter: 0.642 inches (16.3 mm)
• Outside Diameter: 2.244 inches (57.0 mm)
• Mounting Type: Press fit installation
• Position: Rear at knuckle (lower)
• Item Grade: Standard replacement quality

Technical Details and Specifications

The TD551W bushing features a robust rubber to metal design that balances flexibility and strength, reducing noise and harshness while maintaining suspension geometry. Its precise dimensions, including a 0.801-inch wall thickness and 2.64-inch length, provide a secure fit for the rear lower knuckle position. The press fit mounting type ensures a firm installation without the need for additional hardware. Finished in black, this bushing is built to meet OEM standards for BMW vehicles.

Compatible BMW Models

This suspension control arm bushing is compatible with a wide range of BMW models, including the 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535i, 535i xDrive, 535xi, 540i, 545i, 550i, 645Ci, 650i, 740i, 740iL, 745i, 745Li, 750i, 750iL, 750Li, 760i, 760Li, M5, M6, X5, and Z8. This ensures proper fitment for vehicles requiring rear lower knuckle suspension bushings.

Common Suspension Issues Addressed

• Excessive suspension noise or clunking at the rear lower knuckle
• Uneven tire wear due to misaligned control arms
• Reduced ride comfort from worn or degraded bushings
• Vibration and harshness transmitted through the suspension
• Loose or unstable rear suspension handling characteristics

Installation Notes and Tips

Installation of the Delphi TD551W requires pressing the bushing into the rear lower knuckle control arm position. It is recommended to use a hydraulic press or appropriate bushing installation tools to avoid damage. Ensure the mounting surfaces are clean and free of debris before installation. Proper alignment during installation is critical to maintain suspension geometry and vehicle handling.

Quality Assurance and Warranty

Delphi suspension bushings are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The TD551W is a standard replacement grade part backed by Delphi's quality control processes. Please refer to Delphi's warranty policy for specific coverage details.