HomeDelphi TC7640 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
Part #: TC7640

Delphi TC7640 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower
5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, CTS
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Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC7640 suspension control arm and ball joint assembly is engineered for the front left lower position on Cadillac CTS models. Designed with durable aluminum construction and pre-greased components, this assembly ensures reliable suspension performance and precise handling.

  • Pre-greased for immediate installation
  • Includes rubber bushings and mounting hardware
  • Aluminum control arm with casting and forged construction
  • Press-in ball joint with threaded stud for secure fitment
  • Compatible with front left lower suspension on Cadillac CTS

Durable Construction and Design Features

This Delphi suspension control arm features a robust aluminum body combining casting and forging techniques to provide strength while reducing weight. The assembly includes rubber bushings to absorb road vibrations and improve ride comfort. The ball joint is press-in mounted with a threaded stud measuring 14 mm in diameter and 43 mm in length, ensuring a secure and precise connection. The control arm measures approximately 379 mm in length and 178.5 mm in width, finished in a gray color for corrosion resistance.

Compatible Applications and Fitment

The TC7640 control arm and ball joint assembly is specifically designed for the front left lower suspension of Cadillac CTS vehicles. This ensures proper fitment and alignment, maintaining the vehicle's handling characteristics and suspension geometry.

Common Suspension Issues Addressed

  • Worn or damaged control arm bushings causing steering instability
  • Loose or failing ball joints leading to uneven tire wear
  • Corroded or bent control arms affecting suspension alignment
  • Excessive vibration or noise from front suspension components
  • Reduced handling performance due to compromised suspension parts

Installation Notes and Tips

The Delphi TC7640 comes pre-greased and includes all necessary bushings and mounting hardware for straightforward installation. Note that this assembly does not include a grease fitting and is not greaseable after installation. Proper torque specifications should be followed when securing the control arm to ensure safety and performance. It is recommended to have a professional alignment performed after installation to maintain optimal suspension geometry.

Quality Assurance and Warranty

This suspension control arm and ball joint assembly is a standard replacement grade part manufactured by Delphi, a trusted name in automotive components. The product undergoes rigorous quality control to meet OEM standards. Warranty coverage details should be confirmed at the point of purchase, as they may vary.

BrandDelphi
Part NumberTC7640
AdjustableNo
Ball Joint Mounting TypePress In
Ball Joint Stud Length1.693
Ball Joint Stud Length43.0
Ball Joint Stud TypeThreaded
Ball Joint Thread Diameter0.551
Ball Joint Thread Diameter14.0
Bushing MaterialRubber
Bushings IncludedYes
Control Arm ColorGray
Control Arm ConstructionCasting/Forged
Control Arm MaterialAluminum
Control Arm Maximum Length14.921
Control Arm Maximum Length379.0
Control Arm Maximum Width7.028
Control Arm Maximum Width178.5
Grease Fitting IncludedNo
GreaseableNo
Item GradeStandard Replacement
Mounting Hardware IncludedYes
Mounting Hole Diameter0.315
Mounting Hole Diameter8.0
Mounting Hole Quantity1
Position(s)Front Left Lower
Pre-GreasedYes

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2007CadillacCTSFront Left Lower
2006CadillacCTSFront Left Lower
2005CadillacCTSFront Left Lower
2004CadillacCTSFront Left Lower
2003CadillacCTSFront Left Lower

* 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:

2575828125758282521-019CB90443CB90443PRK80635

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