ACDelco has been earning the trust of automotive customers and professionals for over 100 years. A global leader in automotive replacement parts and related services, our focus has always been on building a reputation as the number-one source for quality auto parts.

ACDelco proudly offers over 90,000 high-quality parts in 37 product lines. Each product classification has its own benefits, and each has been engineered and tested to meet ACDelco’s high standards.

Our GM Original Equipment offerings are the guaranteed original part for GM vehicles that meets or exceeds OE specifications. ACDelco Professional aftermarket products cover most GM vehicles as well as many other makes and models. ACDelco Advantage products offer fit, form and function for most makes and models at a more affordable price. For some parts, we also offer a Specialty line. These products are designed to meet a specific need for a narrow audience, such as our Performance brake products, which are rotors and friction designed for police vehicles. We don’t stop there. ACDelco continues to spread knowledge with a multitude of resources and programs as detailed on this site.
Supporting the Trade

  Video Command Center


  The Right Parts at your Fingertips

The CONNECTION is an online parts catalog and stand-alone ordering system for automotive parts sales. With CONNECTION you can check inventory and place an online order directly from your ACDelco parts supplier.

CONNECTION features parts for all makes, all models based on your warehouse distributor's inventory. Best of all, CONNECTION is an Internet-based solution, so there is no software to install or update. CONNECTION makes it easy for a technician or counterperson to locate, view, and order the right parts needed for the job directly from your supplier with only a few clicks of the mouse.

If your business uses Mitchell Manager/Manager Plus, ROWriter, GEMCAR, Protractor, ALLDATA, Bay-Master, Stocktrac, and Lankar shop management systems you can make your parts ordering even easier and more efficient! The ACDelco online catalog allows integration into your SMS -- ask your ACDelco Representative for additional integrations. When you use the Estimate or Repair Order function, it will automatically navigate to CONNECTION as a logged in user and the selected vehicle info from the Estimate/RO will be passed into the catalog. All selected and/or ordered parts are automatically transferred back to the Estimate/RO, as well!

CONNECTION also provides you EXCLUSIVE access to the following Specialty Catalogs and functions:

Illustrated Catalog: This catalog is your dedicated resource for ALL GM vehicles. It contains system illustrations from GM engineering data for GM vehicles from 1992 to present. Zoom controls let you drill down to the level of detail you need. The catalog also has detailed specs, pricing, distributor availability, product photos, and more. Watch a demo of the Illustrated Catalog.

Wiring Pigtail & Socket Catalog: Search for pigtails by the number of cavities and gender or search by part number. You can also find the appropriate socket for your vehicle application.

Battery Catalog: Look up batteries by type: automotive, powersports, marine, or other (industrial, agricultural, lawnmower, etc.). Information includes battery reset procedures, battery locator information, four product views, terminal locations, battery reset procedures, battery specs/technical information, buyers guide, MSDS, charging & testing procedures, battery construction, operation, warranty and more.

Chemical Catalog: Information on over 20 chemical types to include air conditioning, power steering fluids, brake fluids, motor oil, and others. Ability to filter and compare products in this catalog. Additionally, the catalog offers specification information by application.