Our mechanics will help you set up a proper maintenance schedule to ensure you don't end up stuck on the side of the road!
Our team will diagnose your situation, satisfy your expectations and win your confidence.
We are your trusted source for any auto repair needs!
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Complete Automotive Repairs, Engine Rebuilding & Exchanging

Welcome To Cosgrove Auto Repair

Cosgrove Auto Repair & Machine in Thorold, Ontario is a locally-owned and operated automotive repair shop dedicated to excellence in every aspect of business.

“We’ve got a team that will diagnose your situation, satisfy your expectations and win your confidence.”

Ken Cosgrove – Owner

With more than 50 years of combined auto experience and 25 years of racing experience, Ken Cosgrove’s locally-owned and operated automobile repairing and machine shop provides a wide variety of services to get you back on the road in no time.

Offering three service bays and a complete engine rebuilding machine shop, Cosgrove Auto Repair is able to look after your entire vehicle needs – from minor repairs to complete engine removal, rebuilding and replacement. No wonder he is a leading supplier for quality machining to local auto shops. The shop can also perform marine inboard engine rebuilding! 

Years of Experience

Who better to TRUST your vehicle repairs to than a respected engine builder with years of experience! Cosgrove Auto Repair is a high performance engine specialist, can handle classic auto repair, and is an MTO inspection shop.

Count on Cosgrove for:

  • Tune-ups
  • Brakes
  • Steering
  • Suspension
  • Cooling systems
  • Electrical/electronic systems diagnostics
  • Fuel injection
  • Marine inboard engine rebuilding

Proud Members of the E.R.I Group.


5 Star Rating
5 Star Rating


Combined 50 Years' Experience

With more than 50 years of combined auto experience, coupled with 25 years of personal racing experience by owner Ken Cosgrove, it’s safe to say that the qualified staff at Cosgrove Auto Repair & Machine has seen – and fixed – it all. 

With a strong commitment to ensuring that one of your most important investments, your car, is safe and reliable, the team at Cosgrove Auto Repair has got your back.

Whether you’re gearing up for a long road trip, or have a long commute to work, you can rest assured that a car serviced at Cosgrove’s is a car that you’ll feel good in.

“Awesome place to get work done, done right the first time!”

Franks Motorsports – Thorold

Auto Repair, Auto Maintenance

As a proud member of the E.R.I Group, Ken Cosgrove has access to all types of engine parts. The merits of the E.R.I Group ensure that its members adhere to strict professional standards.

Keeping your car maintained is one of the best ways to help save you money in the long run. The team at Cosgrove’s can help you set up a proper maintenance schedule so you don’t get stuck on the side of the road – or worse – break down in the middle of it. The shop can help you avoid future car troubles with expert auto maintenance, but can also get you back on the road affordably with auto repairs.

Contact Cosgrove Auto Repair & Machine in Thorold today for professional service you can trust and rely on.


Certified & Licensed Crew

Ken Cosgrove’s custom performance engine building and racing experience, combined with an expert certified and licensed crew, guarantee precision work, quality parts and reliable service. Whether it is changing a headlight, performing a tune-up or completely rebuilding an engine, the Cosgrove team invites you to enjoy top-notch “better than dealership” service at an affordable rate.

Contact Cosgrove Auto Repair & Machine for professional and efficient auto repairs in Thorold, Ontario.

5% Discount for Seniors & Students.

Licenced Motor Vehicle Inspection Station

Our Auto Maintenance and Repair Services:

  • Tune-Ups
  • Brakes
  • Steering
  • Suspension
  • Cooling Systems
  • Electrical/Electronic Systems Diagnostics
  • Fuel Injection
  • Marine Inboard Engine Rebuilding

Cosgrove Auto Repair can perform most auto repairs that same day and uses state-of-the-art computerized equipment to diagnose problems. The shop is also a parts expert – even when it comes to harder to find parts!

Cosgrove Auto Repair & Machine is a licensed MTO Safety Inspection Shop.


Contact Info

Call today to book an auto repair or auto maintenance appointment, and to find out more about how we can serve you as an experienced machine shop.

61 Ormond Street North
Thorold, ON L2V 1Z3


Payment Methods


Monday – Friday       8:00 a.m. – 5:00 p.m.
Saturday/Sunday     CLOSED