HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC3557 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Rearward
Part #: TC3557

Delphi TC3557 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Rearward

Front Left Upper Rearward
14 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi, A8 Quattro and S8
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Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC3557 suspension control arm and ball joint assembly is designed specifically for the front left upper rearward position on Audi A8 Quattro and S8 models. Engineered with a casting and forged construction, this light suspension grade component offers reliable performance for standard replacement needs.

  • Compatible with Audi A8 Quattro and S8 front left upper rearward suspension
  • Control arm constructed from durable casting and forged materials
  • Standard replacement grade for light suspension applications
  • Natural rubber bushings for effective vibration dampening
  • Ball joint with 18.0 mm thread diameter and 46.0 mm stud length
  • Silver finish control arm with a maximum width of 50.0 mm (1.969 inches)
  • Single mounting hole with 10.2 mm diameter
  • Non-adjustable and non-greaseable design

Detailed Product Description

The Delphi TC3557 suspension control arm and ball joint assembly is crafted to meet the specific suspension requirements of Audi A8 Quattro and S8 vehicles. Its casting and forged construction ensures structural integrity while maintaining a light suspension grade suitable for standard replacement applications. The control arm features a silver finish and incorporates natural rubber bushings that help absorb road vibrations and reduce noise, contributing to a smoother ride quality.

The ball joint included in this assembly has an 18.0 mm thread diameter and a stud length of 46.0 mm, designed to provide precise steering and suspension articulation. This assembly is designed for the front left upper rearward position, ensuring proper fitment and alignment for the specified Audi models. Note that this part is non-adjustable and does not include grease fittings, reflecting its maintenance-free design.

Common Applications and Issues Addressed

  • Replacement of worn or damaged front left upper rearward suspension control arm on Audi A8 Quattro and S8
  • Correction of suspension misalignment causing uneven tire wear
  • Elimination of clunking or knocking noises from front suspension
  • Restoration of proper steering response and vehicle handling
  • Resolution of vibration or instability during driving

Installation Notes and Tips

  • Ensure compatibility with Audi A8 Quattro and S8 front left upper rearward suspension before installation
  • Professional installation is recommended to maintain suspension geometry and safety
  • Torque all mounting bolts to manufacturer specifications
  • Inspect related suspension components for wear during replacement
  • Alignment check is advised after installation to ensure proper handling

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The TC3557 control arm and ball joint assembly is a standard replacement grade part designed for consistent fit and function. While specific warranty details are not provided, Delphi products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.

BrandDelphi
Part NumberTC3557
Grease Fitting IncludedNo
Suspension Grade TypeLight
Control Arm ConstructionCasting/forged
Mounting Hardware IncludedNo
Mounting Hole Quantity1
AdjustableNo
GreaseableNo
Control Arm Maximum Width1.969
Control Arm Maximum Width50.0
Control Arm ColorSilver
Ball Joint Thread Diameter18.0
Ball Joint Stud Length46.0
Bushing MaterialNatural rubber (nr)
Mounting Hole Diameter10.2
Item GradeStandard replacement
Position(s)Front left upper rearward

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
2018AudiA8 QuattroFront Left Upper Rearward
2017AudiA8 QuattroFront Left Upper Rearward
2017AudiS8Front Left Upper Rearward
2016AudiA8 QuattroFront Left Upper Rearward
2016AudiS8Front Left Upper Rearward
2015AudiA8 QuattroFront Left Upper Rearward
2015AudiS8Front Left Upper Rearward
2014AudiA8 QuattroFront Left Upper Rearward
2014AudiS8Front Left Upper Rearward
2013AudiA8 QuattroFront Left Upper Rearward
2013AudiS8Front Left Upper Rearward
2012AudiA8 QuattroFront Left Upper Rearward
2011AudiA8 QuattroFront Left Upper Rearward
2010AudiA8 QuattroFront Left Upper Rearward

* 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:

102-80054H0 407 509 E4H0 407 509 FRK622847

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