HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC3084 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward
Part #: TC3084

Delphi TC3084 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

Front Left Lower Forward
16 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, E250, E350, E400, and E550
Easy Returns — Return within 60 days for a full refund
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Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC3084 suspension control arm and ball joint assembly is designed for front left lower forward positioning on select Mercedes-Benz models. Engineered with durable aluminum construction and natural rubber bushings, this component supports light suspension loads while maintaining precise steering and handling.

  • Aluminum control arm with casting and forged construction for strength and reduced weight
  • Threaded ball joint stud with 14mm diameter and 70mm length
  • Natural rubber bushings for effective vibration dampening
  • Single mounting hole with 14.6mm diameter for secure fitment
  • Standard replacement grade suitable for light suspension applications
  • Silver finish control arm with a maximum width of approximately 103mm (4.055 inches)
  • Non-greaseable design without grease fitting

Detailed Product Description

The Delphi TC3084 suspension control arm and ball joint assembly is specifically engineered for the front left lower forward position on Mercedes-Benz E250, E350, E400, and E550 models. Constructed from lightweight aluminum using a combination of casting and forging processes, this control arm offers a balance of durability and weight savings. The natural rubber bushings help absorb road vibrations, contributing to a smoother ride and improved handling characteristics.

The ball joint features a threaded stud type with a 14mm thread diameter and a 70mm stud length, ensuring compatibility with the vehicle’s suspension system. This assembly is designed as a standard replacement part for light suspension grade applications, making it suitable for routine maintenance and repair needs.

Common Applications and Problem Resolution

  • Replacement for worn or damaged front left lower control arm on Mercedes-Benz E-Class models
  • Addresses issues with steering instability or uneven tire wear
  • Resolves clunking noises or vibrations from suspension components
  • Improves alignment and handling performance after suspension component failure
  • Restores proper suspension geometry for enhanced vehicle safety

Installation Notes and Tips

Installation of the Delphi TC3084 control arm and ball joint assembly requires proper alignment and torque specifications as outlined in the vehicle service manual. Since this part is non-adjustable and non-greaseable, ensure all mounting surfaces are clean and free of debris before installation. It is recommended to have a professional alignment performed after replacement to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Delphi manufactures the TC3084 suspension control arm and ball joint assembly to meet or exceed OEM standards for fit, form, and function. This part is categorized as a standard replacement grade component, providing reliable performance for light suspension applications. While specific warranty details are not provided, Delphi products typically come with a limited warranty against defects in materials and workmanship.

BrandDelphi
Part NumberTC3084
Grease Fitting IncludedNo
Suspension Grade TypeLight
Ball Joint Stud TypeThreaded
Control Arm ConstructionCasting/forged
Control Arm MaterialAluminum
Mounting Hole Quantity1
AdjustableNo
GreaseableNo
Control Arm Maximum Width103.0
Control Arm Maximum Width4.055
Control Arm ColorSilver
Ball Joint Thread Diameter14.0
Ball Joint Stud Length70.0
Bushing MaterialNatural rubber (nr)
Mounting Hole Diameter14.6
Item GradeStandard replacement
Position(s)Front left lower forward

This part fits 16 vehicles. Search below:

YearMakeModelSubmodelBody Type# DoorsDrive TypePositionNotes
2016Mercedes-BenzE250BluetecFront Left Lower Forward
2016Mercedes-BenzE350Sedan4 DoorRWDFront Left Lower Forward
2016Mercedes-BenzE400SedanRWDFront Left Lower Forward
2015Mercedes-BenzE250RWDFront Left Lower Forward
2015Mercedes-BenzE350Sedan4 DoorRWDFront Left Lower Forward
2015Mercedes-BenzE400SedanRWDFront Left Lower Forward
2014Mercedes-BenzE250RWDFront Left Lower Forward
2014Mercedes-BenzE350Sedan4 DoorRWDFront Left Lower Forward
2014Mercedes-BenzE400SedanRWDFront Left Lower Forward
2013Mercedes-BenzE350Sedan4 DoorRWDFront Left Lower Forward
2013Mercedes-BenzE400SedanRWDFront Left Lower Forward
2012Mercedes-BenzE350Sedan4 DoorRWDFront Left Lower Forward
2011Mercedes-BenzE350Sedan4 DoorRWDFront Left Lower Forward
2011Mercedes-BenzE550SedanRWDFront Left Lower Forward
2010Mercedes-BenzE350Sedan4 DoorRWDFront Left Lower Forward
2010Mercedes-BenzE550SedanRWDFront Left Lower Forward

* 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:

102-7529212 330 27 11A212 330 2711CB28263CMS101071K621955RK621955

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