Aftermarket Warranty

We Accept Third-Party & Aftermarket Warranties

CarMax MaxCare & GWC Extended Warranty Repairs

At O.C. Automotive and Diagnostics, we know that dealing with unexpected vehicle repairs is stressful enough on its own—and navigating complicated warranty claims, fine print, and hold times with call centers can feel downright overwhelming.


If you purchased a CarMax MaxCare plan or a GWC Extended Warranty, you are not locked into taking your vehicle back to the dealership. You have the right to choose your repair shop, and you deserve high-quality, personalized care right here in your local community.


Our certified technicians and service advisors handle the entire claims process directly with your warranty provider so you can get back on the road safely, quickly, and completely hassle-free.


Why Choose O.C. Automotive and Diagnostics?

  • Dealership Alternative: Enjoy personalized, local service without dealership wait times or inflated costs.
  • Hassle-Free Claims: No back-and-forth phone calls with warranty reps—we handle the communications for you.
  • Complete Auto Care: From complex electrical diagnostics to routine mechanical repairs, our team handles it all under one roof.