Delphi TC7399 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Delphi Rear Left Upper Suspension Control Arm for Nissan and Infiniti

The Delphi TC7399 suspension control arm and ball joint assembly is designed for rear left upper positioning on select Nissan and Infiniti models. Engineered with durable aluminum construction and pre-greased components, this part offers reliable performance for vehicles like the Nissan 370Z and Infiniti G37.

Key Features of Delphi TC7399 Suspension Control Arm

• Pre-greased for immediate installation and reduced maintenance
• Aluminum control arm construction combining casting and forging for strength and lightweight design
• Includes rubber bushings to absorb road vibrations and improve ride quality
• Machined ball joint mounting with threaded stud type for secure fitment
• Standard replacement grade suitable for light suspension applications
• Compatible with rear left upper suspension position on Nissan 370Z, G25, G35, G37, and Infiniti Q40
• Includes mounting hardware for straightforward installation
• Control arm dimensions: maximum width 269.5 mm, maximum length 304.1 mm

Detailed Product Description

The Delphi TC7399 suspension control arm and ball joint assembly is crafted from high-quality aluminum using a combination of casting and forging processes to ensure durability while maintaining a lightweight profile. This assembly comes pre-greased, eliminating the need for additional lubrication during installation. The rubber bushings included help reduce noise and vibration, enhancing driving comfort. The machined ball joint mounting with a threaded stud provides a precise and secure connection to the vehicle’s suspension system. Designed specifically for the rear left upper position, this control arm fits a range of Nissan and Infiniti models including the 370Z, G25, G35, G37, and Q40, making it a reliable replacement part for maintaining suspension integrity.

Common Applications and Issues Addressed

• Replacement of worn or damaged rear left upper suspension control arm
• Correction of suspension misalignment causing uneven tire wear
• Reduction of clunking noises or vibrations from the rear suspension
• Restoration of proper handling and steering response
• Addressing bushing deterioration affecting ride quality

Installation Notes and Tips

Installation of the Delphi TC7399 control arm requires standard suspension tools and mechanical knowledge. Since the part is pre-greased and includes mounting hardware, it simplifies the replacement process. Ensure the vehicle is securely lifted and supported before removing the old control arm. Verify the mounting hole diameters (11.0 mm and 12.2 mm) match the vehicle specifications. After installation, a professional wheel alignment is recommended to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty

Delphi suspension components meet industry standards for durability and performance. The TC7399 control arm assembly is manufactured to provide consistent quality as a standard replacement part. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to ensure customer confidence in their suspension products.