Help restore precise steering and secure wheel location with the MOOG Chassis Products suspension control arm and ball joint assembly (MPN RK623979). This front right lower forward unit drops in as a direct-fit replacement for the 2013-2019 Cadillac ATS, combining the control arm, ball joint, and bushings into one assembly for the listed applications.
Dust boot seal: A pre-installed dust boot seal helps keep dirt and water out, forming a barrier against wear-causing contaminants.
Premium bushings: Pre-installed bushings are tuned with optimized stiffness to inhibit noise for a comfortable ride.
Hardware included: Comes with the necessary hardware for a fast installation.
Easy to install: Precision tolerances support easy installation and steering alignment for a proper fit right out of the box.
MOOG premium control arms for foreign and domestic nameplates are engineered for structural strength and corrosion protection. Signs the original may need replacing include clunking on acceleration or over bumps, loose or wandering steering, and uneven tire wear. If a worn control arm or ball joint is the cause, this 2013-2019 Cadillac ATS control arm assembly replaces it. Best practice is to replace suspension wear parts in matching pairs across the axle for balanced handling.
Interchange: 526-244
526244 · 23462001 · CB91384PR · CB91384 · 4CB50641
This part cross-references / interchanges with the following part numbers:
23462001, 526-244, CB91384PR, CB91384, 4CB50641
Frequently Asked Questions
What vehicles does the MOOG RK623979 control arm and ball joint assembly fit?
It is a direct-fit replacement for the 2013-2019 Cadillac ATS. Check the "Vehicles it fits" section to confirm the exact application for your vehicle.
What position on the vehicle is this control arm for?
This assembly is the front right lower forward control arm for the listed applications.
Does this assembly come with a ball joint and bushings?
Yes. The control arm ships with a ball joint plus pre-installed bushings and a pre-installed dust boot seal.
Is mounting hardware included?
Yes. It comes with the necessary hardware for installation. Consult the vehicle service information for correct torque specs and whether any original fasteners may be reused.
What are signs my control arm or ball joint may need replacing?
Common signs include clunking on acceleration or over bumps, loose or wandering steering, and uneven tire wear. Diagnose the cause before replacing, as these symptoms can have other sources.
