HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC7863 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward
Part #: TC7863

Delphi TC7863 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

Front Left Lower Forward
⚙️ 19 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, CL550, S350, S450, and S550
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Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC7863 suspension control arm and ball joint assembly is designed for front left lower forward positioning on select Mercedes-Benz models. Engineered with durable steel construction and a machined ball joint, this assembly offers reliable performance for your vehicle's suspension system.

  • Pre-greased for immediate installation
  • Machined ball joint mounting type with threaded stud
  • Steel control arm with black finish for corrosion resistance
  • Includes mounting hardware for secure fitment
  • Rubber bushings included for vibration dampening
  • Compatible with Mercedes-Benz CL550, S350, S450, and S550 models

Durable Construction and Design Features

The TC7863 control arm assembly features a robust steel control arm measuring up to 21.3 inches in length and 3.66 inches in width, finished in black to resist corrosion. The ball joint is machined for precise fitment and includes a threaded stud type for secure attachment. Rubber bushings are incorporated to reduce noise and absorb road vibrations, enhancing ride comfort. This assembly is pre-greased, eliminating the need for additional lubrication during installation, though it is not greaseable or equipped with a grease fitting.

Compatible Mercedes-Benz Models and Applications

This suspension control arm and ball joint assembly is specifically compatible with the front left lower forward position on Mercedes-Benz CL550, S350, S450, and S550 vehicles. It is designed as a standard replacement part to restore proper suspension geometry and handling characteristics.

  • Restores proper suspension alignment and control
  • Eliminates clunking or knocking noises from worn control arms
  • Improves steering response and vehicle stability
  • Addresses uneven tire wear caused by faulty suspension components
  • Replaces damaged or corroded control arm assemblies

Installation Notes and Tips

Installation of the Delphi TC7863 control arm assembly requires basic suspension knowledge and appropriate tools. Since the part comes pre-greased and includes mounting hardware, no additional lubrication or hardware sourcing is necessary. Ensure the vehicle is securely lifted and supported before removal of the old control arm. After installation, a professional wheel alignment is recommended to maintain optimal handling and tire wear.

Quality Assurance and Warranty Information

Delphi suspension components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The TC7863 assembly is a standard replacement grade part backed by Delphi's quality control processes. Please refer to Delphi's official warranty policy for specific coverage details.

BrandDelphi
Part NumberTC7863
Pre-GreasedYes
Grease Fitting IncludedNo
Bushings IncludedNo
Ball Joint Mounting TypeMachined
Ball Joint Stud TypeThreaded
Control Arm MaterialSteel
Mounting Hardware IncludedYes
AdjustableNo
GreaseableNo
Control Arm Maximum Width3.66
Control Arm ColorBlack
Control Arm Maximum Length21.3
Bushing MaterialRubber
Item GradeStandard replacement
Position(s)Front left lower forward

This part fits 19 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2014Mercedes-BenzCL550Front Left Lower Forward
2013Mercedes-BenzCL550Front Left Lower Forward
2013Mercedes-BenzS350Front Left Lower Forward
2013Mercedes-BenzS550AWDFront Left Lower Forward
2012Mercedes-BenzCL550Front Left Lower Forward
2012Mercedes-BenzS350Front Left Lower Forward
2012Mercedes-BenzS550AWDFront Left Lower Forward
2011Mercedes-BenzCL550Front Left Lower Forward
2011Mercedes-BenzS450AWDFront Left Lower Forward
2011Mercedes-BenzS550AWDFront Left Lower Forward
2010Mercedes-BenzCL550Front Left Lower Forward
2010Mercedes-BenzS450AWDFront Left Lower Forward
2010Mercedes-BenzS550AWDFront Left Lower Forward
2009Mercedes-BenzCL550Front Left Lower Forward
2009Mercedes-BenzS450AWDFront Left Lower Forward
2009Mercedes-BenzS550AWDFront Left Lower Forward
2008Mercedes-BenzS450AWDFront Left Lower Forward
2008Mercedes-BenzS550AWDFront Left Lower Forward
2007Mercedes-BenzS550AWDFront 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:

102-7779221 330 65 11RK620986

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