Delphi Suspension Control Arm and Ball Joint Assembly P/N:TC3556

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$46.99
MPN: TC3556
UPC: 689604286074
Item Package Quantity: 1
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Delphi Suspension Control Arm and Ball Joint Assembly P/N:TC3556
Delphi Suspension Control Arm and Ball Joint Assembly P/N:TC3556
$46.99

Bring back tight, controlled front-end movement with the Delphi control arm — the Suspension Control Arm and Ball Joint Assembly, MPN TC3556. This control arm and ball joint assembly locates the wheel and lets it pivot through the integrated ball joint, and it drops in as a direct-fit replacement for the front right upper forward position on the 2010-2018 Audi A8 Quattro and 2013-2017 Audi S8. See the Buyer's Guide tab for engine-level fitment.

  • Tested to the extreme: validated below -40°C and above 120°C, plus 720 hours of salt spray, with dimensional and material analysis for OE-to-aftermarket compatibility.
  • 100% inspected: crack detection and ultrasonic flaw detection help confirm materials match OE specifications.
  • Precision studs: ball studs machined to micron tolerances for durability and smooth joint operation.
  • Robot-welded & protected: consistent welds for repeatable quality, with anti-corrosion protection applied for corrosion prevention and enhanced appearance.

Built on Delphi's OE safety technology fitted to millions of vehicles worldwide.

Interchange: 4H0 407 506 E · 4H0 407 506 F · 102-8004 · 524-228
4H0407506E · 4H0407506F · 1028004 · 524228 · CB12108 · CB12108PR · RK622846 · CMS70183

This part cross-references / interchanges with the following part numbers:

4H0 407 506 E, 4H0 407 506 F, 102-8004, 524-228, CB12108, CB12108PR, RK622846, CMS70183

Frequently Asked Questions

What vehicles does the Delphi TC3556 fit?

It's a direct-fit replacement for the front right upper forward position on the 2010-2018 Audi A8 Quattro and 2013-2017 Audi S8. See the Buyer's Guide tab for engine-level details.

Where on the vehicle does this control arm and ball joint assembly mount?

This unit fits the front right upper forward position on the listed Audi applications.

Where can I find Delphi control arm reviews?

Check the reviews tab on this listing for customer feedback. Delphi applies its OE expertise, fitted to millions of vehicles worldwide, to its aftermarket steering and suspension portfolio.

How is this Delphi control arm made?

It undergoes 100% crack and ultrasonic flaw detection to help match OE specifications, uses robot welding, has ball studs machined to micron tolerances, and carries anti-corrosion protection applied to the part.

What are signs this part may need replacing?

Clunking or knocking from the front suspension, uneven tire wear, or loose, wandering steering can point to a worn control arm or ball joint. Diagnose the cause before replacing.