Trusted Automotive Parts Backed by Over a Century of Innovation
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Foundation and Early History (1916)
Founded in 1916 as United Motors Corporation, ACDelco began as a crucial subsidiary of General Motors (GM). Its mission was to bring together top-quality parts manufacturers under one brand to ensure reliability and innovation in every automotive component used in GM vehicles.
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Growth and Product Evolution
Throughout the early and mid-1900s, United Motors Corporation developed a vast range of automotive parts and accessories designed to improve performance, safety, and vehicle longevity. From ignition systems and spark plugs to filters and charging components, the brand established itself as a leader in both the OEM (Original Equipment Manufacturer) and aftermarket auto parts industries.
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Rebranding to ACDelco (1974)
In 1974, United Motors adopted the iconic ACDelco name—a combination of two cornerstone product lines, AC Spark Plugs and Delco Remy. This rebranding solidified the company’s commitment to precision engineering, advanced technology, and automotive performance that drivers and technicians could trust.
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Global Expansion and Product Innovation
As the automotive industry expanded globally, so did ACDelco. Today, the company manufactures and distributes a complete range of automotive parts, including:
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Batteries and electrical systems
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Oil, air, and fuel filters
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Brake pads and rotors
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Spark plugs and ignition components
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Lubricants and fluids
ACDelco products are now available in over 100 countries, trusted by professional mechanics and DIY car owners alike for their durability, OEM fitment, and consistent performance.
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ACDelco Today: Dependability and Global Reach
More than a century after its founding, ACDelco continues to be one of the most recognized names in the automotive parts industry. The brand serves both dealerships and independent repair shops, offering tested and certified parts for Chevrolet, GMC, Cadillac, Buick, and a wide range of non-GM vehicles. ACDelco’s ongoing innovation supports the next generation of vehicles with components for EVs (electric vehicles) and hybrid systems—carrying its legacy of excellence well into the future.