ACDelco Lateral Arm
Representative Photo, actual item may vary
ACDelco Lateral Arms: OEM Engineering You Can Rely On
When a lateral arm wears out, the consequences reach far beyond a rough ride. These critical suspension links connect the wheel hub carrier to the vehicle's subframe or body structure, controlling side-to-side wheel movement and keeping your tires planted squarely on the pavement. A failed or sloppy lateral arm translates directly into unpredictable handling, accelerated tire wear, and a suspension geometry that wanders out of alignment. Replacing them with parts that match the original engineering specifications isn't just smart — it's essential.
ACDelco has been deeply embedded in GM's engineering ecosystem since the earliest days of the automaker, and that relationship shows clearly in their lateral arm lineup. Rather than reverse-engineering a competitor's design, ACDelco lateral arms are developed against the same standards used to build vehicles on the assembly line — or offered as high-quality alternatives engineered to slot right into that same specification.
Two Tiers, One Standard of Fit
ACDelco approaches the lateral arm category through two well-defined product lines. GM Genuine Parts lateral arms are the truest expression of original equipment: GM Genuine Parts are the true OE parts installed during production or validated by General Motors, designed and engineered to meet rigorous standards set by General Motors. For owners of Chevrolet, Buick, GMC, or Cadillac vehicles who want a factory-correct restoration of suspension geometry, these are the definitive choice.
The ACDelco Gold line (formerly marketed under the Professional name) fills the role of a premium aftermarket alternative. ACDelco Gold Suspension Control Arm assemblies are a high-quality alternative to OE parts, manufactured to meet expectations for fit, form, and function, making them a smart choice for General Motors vehicles as well as most makes and models, including special applications. This broad vehicle coverage makes the Gold line particularly useful for shops and DIYers working across multiple platforms.
What Sets ACDelco Lateral Arms Apart
ACDelco's lateral arms are built with the kind of attention to material and construction detail that suspension components demand. Available units are constructed from stamped steel, offering a combination of rigidity and weight management that mirrors factory intent. The ACDelco Professional (Gold) Lateral Arm is an ideal high-quality aftermarket replacement component for steering and suspension systems, manufactured to meet or exceed expectations for fit, form, and function.
On the Gold line's control arm assemblies, CNC-machined housing ensures consistency and high quality on most applications, and greaseable fittings where applicable allow new lubricant to flush contaminants from the assembly, helping reduce corrosion and wear. These design details matter over the long term — especially in regions where road salt and debris accelerate bushing and joint degradation.
ACDelco maintenance and repair parts are tested to rigorous standards and backed by GM so you and your vehicle can go the distance. That backing translates to confidence at installation and over the life of the repair.
The Right Lateral Arm for Your GM Vehicle
ACDelco's lateral arm catalog spans positions across the rear suspension — upper and lower links, driver and passenger sides — covering popular GM platforms like the Chevrolet Equinox, GMC Terrain, and other front-wheel-drive and all-wheel-drive architectures that rely on multi-link rear suspension designs. Whether you're a professional technician rebuilding a customer's crossover or a weekend enthusiast restoring your own vehicle's handling precision, ACDelco's tiered lineup offers a clearly defined path from OE replacement to quality aftermarket.
Browse the full Lateral Arm category to find the right part for your application, or explore the complete ACDelco parts catalog for suspension, steering, and beyond.