OK Auto Service is a second-generation family-owned auto repair business that was established in 1974 at 4014 Rossville Blvd Chattanooga, Tennessee.

“Just plain good work” has been the company motto for over 45 years.


OK Auto Service in Chattanooga, TN is proud to be an ACDelco Professional Service & Repair Center and Also a JASPER Engine & Transmission distributor. Our service center offers complete car care ranging from emissions repairs to engine replacement using quality parts from companies like MotorCraft, ACDelco, Jasper, and Interstate Batteries.

We understand that it is difficult to trust the care of your vehicle to just anyone in this industry & that is why our automotive repair specialists are ASE Trained Certified Technicians with over 30 years experience, two of which are Master Technicians.

At OK Auto Service our goal is to provide quality repairs by knowledgeable technicians, with trusted parts, in a timely manner and at a reasonable cost. Heck, we’ll throw in the good o’ fashioned customer service. Truly what sets us apart is our long service to the community. By just plain good work…OK Auto Service, Inc. has cemented its place among trusted car care specialists for the Chattanooga and North Georgia Areas.


OK Auto Service offers factory level diagnostics including computer & key programming (flash capabilities) for domestic vehicles. We also service some foreign models. Feel free to call us with any questions at (423) 867-7696 – If we don’t service your car model, we’ll be happy to refer you.

We use name brand parts from suppliers like ACDelco, Jasper Engines & Transmissions, Motor Craft, and Interstate Batteries have some of the best guarantees in the industry. OK Auto Service uses brands you can trust.

OK Auto Service ASE certified technicians utilize the latest factory level diagnostics on all domestic makes including key and computer programming (flash capabilities)

We offer quality parts from ACDelco as part of our commitment to your auto repair experience. ACDelco has been in the automotive aftermarket business for more than 90 years, so they know a thing or two about the automobile and how to help keep it running perfectly.

Our technicians also have some of the industry’s best training through ACDelco Professional Service Center Programs this way, you’re totally covered. You get great parts installed by the best-trained technicians. We can handle your vehicle’s minor and major mechanical repairs, often with one day service on minor issues. For more information about getting your vehicle serviced call us at: (423)-867-7696 Monday – Friday 8:00 am – 5:00 pm

©2020 O.K. Auto Service, LLC