Front Left Upper Control Arm with Ball Joint for 2009-2012 Ford Fusion & More - Delphi TC5025

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$55.99
MPN: TC5025
UPC: 689604281215
Item Package Quantity: 1
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Delphi Suspension Control Arm and Ball Joint Assembly P/N:TC5025
Delphi Suspension Control Arm and Ball Joint Assembly P/N:TC5025
$55.99

Steer with confidence and quiet the front suspension with the Delphi Control Arm with Ball Joint TC5025, a front left upper control arm and ball joint assembly. This Ford Fusion control arm installs as a direct-fit replacement for the 2009-2012 Ford Fusion, 2009-2012 Lincoln MKZ, and 2009-2011 Mercury Milan — see the Buyer's Guide tab for engine specifics.

  • OE-validated engineering: Built on Delphi's OE safety technology and validated to withstand temperatures below -40°C and over 120°C plus 720 hours of salt spray, with dimensional and material analysis for close compatibility between the OE and aftermarket part.
  • 100% inspected: Each control arm undergoes 100% crack detection and ultrasonic flaw detection so materials match OE specifications.
  • Precision ball stud: The ball stud is machined to micron tolerances for durability and smooth joint operation.
  • Robot-welded & protected: Robotic welding delivers consistent quality, and anti-corrosion protection is applied to each part for corrosion prevention and enhanced appearance.

The Delphi control arm positions the wheel and pivots as the suspension travels, while the integrated ball joint lets the steering knuckle swivel through its arc. If a worn control arm or ball joint is behind clunking over bumps, loose or wandering steering, or uneven front tire wear, this assembly replaces the failed part.

Interchange: 521-851 · AE5Z 3085-A
521851 · AE5Z3085A · MCSOE171 · CB65177 · CB65177PR · RK620636 · CMS76107 · GS76107 · JTC7566

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

521-851, AE5Z 3085-A, MCSOE171, CB65177, CB65177PR, RK620636, CMS76107, GS76107, JTC7566

Frequently Asked Questions

What vehicles does the Delphi TC5025 control arm and ball joint assembly fit?

It's a direct-fit for the 2009-2012 Ford Fusion, 2009-2012 Lincoln MKZ, and 2009-2011 Mercury Milan. Check the Buyer's Guide tab to confirm your engine.

What position on the vehicle is this control arm?

It's the front left (driver-side) upper control arm with an integrated ball joint. Order the matching part for the opposite side if you're replacing both.

What are the signs this control arm or ball joint may need replacing?

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

How is the Delphi ball stud built for durability?

Delphi machines the ball studs to micron tolerances for durability and smooth joint operation, and each control arm receives 100% crack detection and ultrasonic flaw detection.

Does this part resist corrosion?

Yes. Delphi applies anti-corrosion protection to each part for corrosion prevention and enhanced appearance, and validates parts through 720 hours of salt spray testing.