Help tighten up loose, wandering steering and quiet a knocking front end with the Mevotech Supreme control arm, part number CMS70109. It fits many vehicles, among them the 2006-2011 Audi A6, 2005-2011 Audi A6 Quattro and 2003-2010 Audi A8 Quattro. This Mevotech Supreme suspension control arm is a direct-fit replacement for the front left upper forward position on the listed applications; see the "Vehicles it fits" section for the full list. It locates the wheel knuckle and allows the suspension and steering to move through their travel; the integrated ball joint is included, so the arm and joint are replaced together as one unit.
- Cast aluminum construction: built to OE-level tolerances for the listed applications.
- Longer ball joint life: additional surface treatment helps resist rust build-up on the ball joint.
- Precise engineering: innovated inside and out for high durability and easy installation.
- Rigorous testing: extensive in-house and third-party durability testing.
If a worn control arm or ball joint is the cause of clunking over bumps, imprecise steering, or uneven front tire wear, this suspension arm for the 2006-2011 Audi A6 and the other listed applications replaces the failed part. Diagnose the cause before ordering.
Interchange: 101-5966 · 102-5966 · 622.33018 · 520-993
1015966 · 1025966 · 62233018 · 520993 · 19292163 · 4E0407505B · 4E0407505D · 4E0407505E · 4E0407505F · TC1812 · CB12037 · CB12037PR · CA4487 · CAK620618 · CK620618 · K620618 · RK620618 · 30036494 · 11829 · 5021191 · SRK620618 · X01CJ0726 · JTC1136
This part cross-references / interchanges with the following part numbers:
19292163, 4E0407505B, 4E0407505D, 4E0407505E, 4E0407505F, 101-5966, 102-5966, 622.33018, TC1812, 520-993, CB12037, CB12037PR, CA4487, CAK620618, CK620618, K620618, RK620618, CMS70109, 30036494, 11829, 5021191, SRK620618, X01CJ0726, JTC1136
Frequently Asked Questions
What is the Mevotech Supreme CMS70109?
It's a control arm and ball joint assembly for the front left upper forward position, combining the upper control arm with an integrated ball joint in one direct-fit unit.
Is this the right 2006-2011 Audi A6 control arm?
Yes — it's cataloged for the front left upper forward position on the 2006-2011 Audi A6 and 2005-2011 Audi A6 Quattro. Check the "Vehicles it fits" section to confirm your exact year, trim, and engine.
What are the signs this part may need replacing?
Clunking or knocking over bumps, imprecise or wandering steering, and uneven front tire wear can be signs a control arm or its ball joint is worn. Diagnose the cause before replacing.
What is it made of?
It uses cast aluminum construction built to OE-level tolerances, with additional surface treatment on the ball joint that helps resist rust build-up.
Is the ball joint included?
Yes — the ball joint is integrated into this assembly, so you replace the control arm and ball joint together as a single unit.
