Keep your Audi's front suspension tight and correctly located with the Mevotech Supreme control arm, part number CMS701133. This control arm and ball joint assembly is the front left lower rearward unit, dropping in as a direct-fit replacement for the 2017-2020 Audi A4, 2017-2025 Audi A4 Allroad, 2017-2025 Audi A4 Quattro, 2017-2024 Audi A5 Quattro, 2018-2025 Audi A5 Sportback, 2018-2023 Audi RS5, 2019 and 2021-2023 Audi RS5 Sportback, 2017-2025 Audi S4, 2018-2024 Audi S5, and 2018-2025 Audi S5 Sportback — see the Buyer's Guide tab for engine-level fitment.
As the Mevotech Supreme lower control arm, it locates the wheel and, through its integrated ball joint, lets the suspension travel and steer while helping hold alignment geometry. If a worn arm or ball joint is behind clunking or knocking over bumps, loose or wandering steering, or uneven tire wear, this Mevotech Supreme suspension control arm replaces those components in one part. Engineered for high-usage commercial and passenger vehicles, SUVs, fleets and working trucks, it makes a solid Audi RS5 control arm and Audi A4 Quattro control arm replacement for the applications listed above.
Interchange: 526-845
526845 · 19383750 · 8W0407693B · MGS701133 · CB12243 · CB12243PR · CB12283 · CB12283PR · CA12943 · 4CB70169 · RK623724 · C6GS701133 · GS701133 · 2608509 · 1331107 · 30036521 · X01CJ9993
This part cross-references / interchanges with the following part numbers:
Where does this control arm mount on my Audi?
It installs as the front left lower rearward unit on the listed Audi A4, A4 Allroad, A4 Quattro, A5 Quattro, A5 Sportback, RS5, RS5 Sportback, S4, S5 and S5 Sportback models.
Does it fit my Audi RS5?
The RS5 fits 2018-2023 models, and the RS5 Sportback fits 2019 and 2021-2023 — check the Buyer's Guide tab to confirm your exact year and engine.
Is the ball joint included with this control arm?
Yes. The ball joint is integrated into the assembly, and a part-specific locking nut is included to make installation faster.
What symptoms may point to a worn control arm or ball joint?
Common signs include clunking or knocking over bumps, loose or wandering steering, and uneven tire wear. Diagnose the cause first, since these can have other sources.
Does this part include mounting hardware?
It includes a part-specific locking nut for the ball joint. For any other fasteners, consult the vehicle service information for the correct hardware and whether it may be reused.
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.
