HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC6670 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper
Part #: TC6670

Delphi TC6670 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Rear Left Upper
15 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan and INFINITI, 350Z and G35
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Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC6670 suspension control arm and ball joint assembly is designed for rear left upper positioning on select Infiniti and Nissan models. Engineered with durable metal construction and pre-greased components, this assembly supports medium-grade suspension needs for vehicles like the Infiniti G35 and Nissan 350Z.

  • Pre-greased for immediate installation and reduced maintenance
  • Includes rubber and steel bushings for reliable suspension performance
  • Press-in ball joint with threaded stud for secure mounting
  • Durable casting/forged metal control arm construction
  • Mounting hardware included for complete replacement
  • Greaseable design to extend service life
  • Compatible with rear left upper suspension position

Technical Details and Construction

The TC6670 control arm assembly features a robust metal construction combining casting and forging techniques to ensure strength and durability under medium suspension loads. The assembly comes pre-greased and includes rubber and steel bushings to absorb vibrations and maintain alignment. The ball joint is press-in mounted with a threaded stud measuring 0.551 inches in diameter and 1.803 inches in length, providing a secure and precise fit. The control arm measures approximately 11.33 inches in length and 10.61 inches in width, finished in black for corrosion resistance.

Compatible Vehicles and Fitment

This suspension control arm and ball joint assembly is compatible with the rear left upper suspension position on Infiniti G35 and Nissan 350Z models. The part number TC6670 ensures proper fitment and performance for these vehicles, making it a suitable replacement for worn or damaged suspension components.

Common Applications and Problem Resolution

  • Restores proper suspension geometry and alignment
  • Eliminates clunking or knocking noises from worn ball joints
  • Improves handling and ride comfort by replacing degraded bushings
  • Addresses uneven tire wear caused by faulty control arms
  • Prevents suspension failure due to metal fatigue or corrosion

Installation Notes and Tips

Installation of the Delphi TC6670 assembly requires standard suspension tools and mechanical knowledge. Since the part comes 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. Torque all fasteners to manufacturer specifications and verify alignment after installation. The greaseable design allows for future maintenance to prolong component life.

Quality Assurance and Warranty

Delphi suspension components meet industry standards for durability and performance. The TC6670 assembly is a standard replacement grade part, manufactured to OEM specifications. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to ensure reliability and customer confidence.

BrandDelphi
Part NumberTC6670
AdjustableNo
Ball Joint Mounting TypePress In
Ball Joint Stud Length1.803
Ball Joint Stud Length45.8
Ball Joint Stud TypeThreaded
Ball Joint Thread Diameter0.551
Bushing MaterialRubber and Steel
Bushings IncludedYes
Control Arm ColorBlack
Control Arm ConstructionCasting/Forged
Control Arm MaterialMetal
Control Arm Maximum Length11.33
Control Arm Maximum Length288.0
Control Arm Maximum Width10.61
Control Arm Maximum Width269.5
Grease Fitting IncludedNo
GreaseableYes
Item GradeStandard Replacement
Mounting Hardware IncludedYes
Position(s)Rear Left Upper
Pre-GreasedYes
Suspension Grade TypeMedium

This part fits 15 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2009Nissan350ZRear Left Upper
2008Nissan350ZRear Left Upper
2007INFINITIG35RWDRear Left Upper
2007INFINITIG35AWDRear Left Upper
2007Nissan350ZRear Left Upper
2006INFINITIG35RWDRear Left Upper
2006INFINITIG35AWDRear Left Upper
2006Nissan350ZRear Left Upper
2005INFINITIG35RWDRear Left Upper
2005INFINITIG35AWDRear Left Upper
2005Nissan350ZRear Left Upper
2004INFINITIG35Rear Left Upper
2004Nissan350ZRear Left Upper
2003INFINITIG35Rear Left Upper
2003Nissan350ZRear Left Upper

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

102-6598521-60755502-AL50555502-AL50ECB61517CB61517PRRK621762

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.