Delphi TC3730 Suspension Control Arm and Ball Joint Assembly - Rear Left, Rear Right or Rear Right Lower Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC3730 suspension control arm and ball joint assembly is designed for reliable rear suspension performance on Land Rover vehicles. Engineered with stamped steel construction and natural rubber bushings, this assembly supports smooth handling and stability for models like the Defender 90, Defender 110, Discovery, and Range Rover.

• Stamped steel control arm construction for durability
• Includes natural rubber bushings for vibration dampening
• Compatible with rear left, rear right, and rear right lower forward positions
• Black finish for corrosion resistance
• Standard replacement grade for reliable fit and function
• Two mounting holes with precise diameters for secure installation
• Non-adjustable design for consistent suspension geometry

Detailed Product Description

The Delphi TC3730 suspension control arm and ball joint assembly is crafted from stamped steel, providing a strong yet lightweight component essential for maintaining proper rear suspension alignment on Land Rover vehicles. The assembly features natural rubber bushings that help absorb road vibrations and reduce noise, contributing to a smoother ride. With a maximum length of approximately 14.17 inches (360 mm) and a maximum width near 2.9 inches (74 mm), this control arm fits specific rear suspension positions including rear left, rear right, and rear right lower forward. The black finish offers additional protection against corrosion and wear, extending the service life of the part.

Common Applications and Problem Resolution

• Replacement for worn or damaged rear suspension control arms on Land Rover Defender 90 and 110
• Restores proper suspension geometry and handling on Discovery and Range Rover models
• Eliminates excessive play or noise caused by deteriorated bushings
• Addresses uneven tire wear due to faulty control arm components
• Improves vehicle stability and ride comfort by maintaining correct suspension alignment

Installation Notes and Tips

Installation of the Delphi TC3730 control arm requires removal of the existing rear suspension control arm. Note that mounting hardware is not included, so original bolts and nuts should be reused or replaced as needed. Ensure the mounting holes, sized between 0.56 and 0.64 inches (14.2 to 16.2 mm), align correctly with the vehicle’s suspension points. Since this control arm is non-adjustable, precise positioning during installation is critical to maintain suspension geometry. Professional installation is recommended to ensure safety and performance.

Quality Assurance and Warranty

This Delphi suspension control arm and ball joint assembly is manufactured to meet standard replacement grade specifications, ensuring compatibility and durability for Land Rover rear suspension systems. While specific warranty details are not provided, Delphi parts typically undergo rigorous quality control to comply with OEM standards, offering dependable performance for your Defender, Discovery, or Range Rover.