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At Ace Auto, we provide exceptional automotive repair and services in St. Mary’s, Ridgway, Kersey, Johnsonburg, PA, and throughout the area.

We know how to handle a wide range of automotive repair and services, including: General Automotive Repair, Preventative Car Maintenance, Air Conditioning and Heater Service, Engine Diagnostic, Transmission Services, and much more!

Our top-notch service staff can get your car or truck in and out quickly, and you can be assured your vehicle is in the necessary condition to be safe on the road.

We offer a wide range of vehicles and automotive repair services. Ace Auto is trusted by the local community and the surrounding areas we service, including St. Mary’s, Ridgway, Kersey, and Johnsonburg, PA.

Contact Ace Auto today for your automotive repair and services.


Online Appointment

Schedule an appointment to have your vehicle serviced. We will confirm your appointment and discuss your services.

Competitive Pricing

Join many people who are choosing to use Ace Auto to service their vehicle each day.

Vehicle Diagnostics

We use state-of-the-art diagnostics equipment to accurately troubleshoot problems.

Highly Rated Repair Shop

We offer high quality parts from leading manufactures to better service your car or truck.

Official Inspection Station

We perform annual state vehicle inspections. Contact Ace Auto today for your vehicle inspection.

Parts Warranty

Many of the parts we use come with a warranty against defect or workmanship to provide you peace of mind. Contact us for details.

Are You looking for a car?

Our inventory of cars and trucks changes frequently. If you’re looking for a particular used vehicle, contact us today.

In Need of Car Service?

Our top-notch service staff can get your car or truck in and out quickly. We provide preventative vehicle maintenance and general automotive repair.


Excellent Service

We provide great service and competitive pricing.

Wide Range of Brands

Offering quality pre-owned vehicles from foreign to domestic.

Trusted by the Community

Ace Auto is trusted by the local community and the surrounding areas we service.

Car Service & Maintenance

Our service department will maintain your car to stay safe on the road for many years.


We’re here to assist in your automotive sales and service experience. Whether you need your car inspected, shopping for a car, or simply want to have your car checked, we’re your #1 source for automotive sales and service in St. Mary’s PA.

Hours of Operation
Sunday Closed
Monday 9:00 am - 5:00 pm
Tuesday 9:00 am - 5:00 pm
Wednesday 9:00 am - 5:00 pm
Thursday 9:00 am - 5:00 pm
Friday 9:00 am - 5:00 pm
Saturday By Appointment Only