Delphi Suspension Control Arm and Ball Joint Assembly P/N:TC6664
Tighten up steering and hold your alignment with the Delphi control arm and ball joint assembly (TC5797), a front left upper unit built for the 2003-2011 Ford Crown Victoria, 2003-2011 Lincoln Town Car, 2003-2011 Mercury Grand Marquis, and 2003-2004 Mercury Marauder. The control arm locates the wheel and links the suspension to the chassis, while the integrated ball joint lets the suspension articulate and the wheel steer. Clunking over the road, wandering steering, or uneven front tire wear can be signs the original arm's ball joint or bushings are worn — if that arm is the cause, this replaces it.
Interchange: 623.61039 · 520-205 · 521-141 · 4W1Z 3085-LH · 6W1Z 3085-B · 6W1Z-3085-M
62361039 · 520205 · 521141 · 4W1Z3085LH · 6W1Z3085B · 6W1Z3085M · 4W1Z3084 · 6W1Z3085 · 6W1Z3085LSU · CB80040 · CB85087 · CB85087PR · CK80040 · K500042 · RK80040 · CMK80040 · GK80040 · JTC1522
This part cross-references / interchanges with the following part numbers:
Which vehicles does the TC5797 assembly fit?
It fits the 2003-2011 Ford Crown Victoria, 2003-2011 Lincoln Town Car, and 2003-2011 Mercury Grand Marquis, plus the 2003-2004 Mercury Marauder. See the Buyer's Guide tab to confirm your engine.
Where does this Crown Victoria control arm mount?
It is the front left (driver's-side) upper control arm and ball joint position for the listed applications.
Does this Grand Marquis control arm include the ball joint?
Yes. The ball joint is integrated into the assembly, and its ball studs are machined to micron tolerances for smooth joint operation.
Should I replace the Lincoln Town Car control arm on both sides?
This listing is one front left upper unit. Inspecting and, if worn, replacing the opposite side is good practice for balanced suspension, but it is not strictly required.
What do Delphi control arm reviews point to on quality?
Delphi applies its OE expertise, testing parts below -40°C, above 120°C, and through 720 hours of salt spray, with 100% crack and ultrasonic flaw detection to match OE specifications.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.