Keep the front wheel precisely located and steering tight with the DELPHI control arm and ball joint assembly TC9020, a front left upper unit that drops in as a direct-fit replacement for the 2021-2024 BMW ALPINA XB7. The arm links the front subframe to the steering knuckle to position the wheel, while the integrated ball joint allows the suspension and steering to move through their travel.
If a worn control arm or ball joint is behind your clunking over bumps, uneven front tire wear, or loose, wandering steering, replacing this front left upper unit addresses that component. Sold individually.
Interchange: 31 10 6 883 831
31106883831
This part cross-references / interchanges with the following part numbers:
What vehicle does the DELPHI TC9020 fit?
It is a direct-fit front left upper control arm for the 2021-2024 BMW ALPINA XB7. See the Buyer's Guide tab to confirm the fit for your vehicle.
What position on the vehicle is this control arm?
This unit is cataloged for the front left (driver's side) upper position on the listed application.
Does the ball joint come already installed?
Yes. The ball joint is integrated into the assembly, so the arm and joint install together as one unit.
What are signs this part may need replacing?
Clunking over bumps, uneven front tire wear, or loose, wandering steering can point to a worn control arm or ball joint. Diagnose the cause before replacing, as other parts can cause these signs.
What number does this DELPHI control arm cross-reference?
It replaces interchange number 31 10 6 883 831 (also listed as 31106883831). Verify the number against your original part before ordering.
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.
