Delphi TD4921W Suspension Control Arm Bushing - Rear Arm To Knuckle (Upper)

Delphi Suspension Control Arm Bushing Overview

The Delphi TD4921W suspension control arm bushing is designed for reliable rear upper arm to knuckle connection in select Ford, Lincoln, and Mercury vehicles. Constructed with durable rubber and a steel sleeve, this black bushing ensures consistent performance and proper suspension alignment.

• Material: Rubber with steel sleeve for durability and flexibility
• Length: 2.61 inches (66.5 mm)
• Inside Diameter: 0.562 inches (14.3 mm)
• Outside Diameter: 1.87 inches (47.5 mm)
• Mounting Type: Press-in installation
• Position: Rear arm to knuckle (upper)
• Item Grade: Standard replacement quality

Detailed Product Description

The Delphi TD4921W suspension control arm bushing is engineered to provide a secure and stable connection between the rear upper control arm and the knuckle on compatible vehicles. Its rubber construction combined with a steel sleeve offers a balance of flexibility and strength, helping to absorb road vibrations and reduce noise. The press-in mounting type allows for straightforward installation, maintaining proper suspension geometry and vehicle handling characteristics. This bushing is specifically designed for use in Ford Cougar, Lincoln Mark VIII, and Mercury Thunderbird models, ensuring precise fitment and reliable operation.

Common Applications and Problem Solving

• Reduces excessive suspension noise and vibration
• Prevents premature wear of control arm components
• Maintains proper alignment of rear suspension arms
• Eliminates looseness or play in the rear upper arm to knuckle connection
• Restores handling stability and ride comfort

Installation Notes and Tips

• Ensure the suspension is properly supported before removing the old bushing
• Use a press or appropriate tool to install the bushing without damaging the rubber or steel sleeve
• Verify correct orientation and position during installation for optimal performance
• Inspect surrounding suspension components for wear or damage during replacement

Quality Assurance and Warranty

Delphi suspension bushings meet standard replacement quality requirements, providing dependable performance for the specified Ford, Lincoln, and Mercury models. The TD4921W part number is manufactured to OEM specifications to ensure compatibility and durability. While specific warranty details may vary, Delphi products typically come with a limited warranty against defects in materials and workmanship.