Lakeport Auto
“The guys were extremely fast, fixing it the same day I left it in as well as giving me a great price.”
Best Radiator Repair in St. Catharines, ON
24 technicians listed · all 24 in St. Catharines · 5 open weekends · 19 rated 4.5+ · 1 shows a licence
Data verified October 16, 2026
Carsmetics
“Rather than have me make a long trip for nothing, the staff made a special trip just to take care of my issue.”
Lincoln Valley Automotive
“They were very friendly and efficient and my bill was less than expected!”
City Wide Auto Centre
“Went to have wheel bearing change Junior the owner took it right in did the job for me.”
Ontario Street Service Centre (Auto Garage)
“Eric and his team at Ontario Street Service are friendly, honest, and transparent about all the work they do.”
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Mobil1 & Automotive
“Been coming here for along time service is quick and friendly ….”
Listed for drivers in and around St. Catharines, ON, these 24 shops repair and replace radiators and cooling system parts. What each one says about recoring, warranties and truck work comes from its own website; ratings and quotes come from public reviews.
Area overview: St. Catharines, ON
All 24 technicians we list here are in St. Catharines itself. We have 53 technicians in St. Catharines on file; this page shows the highest-rated 24. The technicians on this page are rated from 4.3 to 5.0 across 4,641 reviews; 22 have 50 or more reviews and 19 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "honest" and "quality". 5 are open on Saturdays. 1 shows a licence on its website. Domain records put 9 websites of the technicians on this page at ten or more years old; the oldest dates from 1999. 3 give free estimates; 7 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for all 24 of the technicians on this page; 23 publish a contact page; 13 list a public email and 5 take bookings online. We count these figures across the technicians on this page; hours and prices change, so confirm the details with the technician before you visit.
Are the longer-established listed shops a safer bet?
10 of the 24 shops here have been trading ten years or more. Radiator work rewards that, since the places that still recore and pressure test in house tend to be long-established and often run commercial vehicle work alongside cars.
Greves Automotive Services Ltd.
“Work needed to be done on my truck, it was all executed in a timely manner and as always very satisfied”
Premium Care Auto Centre
“Collin has been able to work around my delivery needs, even going as far as helping after hours.”
Baker's Auto and Jeep
“Gives you a solid diagnosis, a firm price and explains in detail what you need fixed before going ahead with it.”
Boyd Automotive & Tire
“From the moment you walk in the door you are greeted by friendly and extremely professional staff, and above all, quality work as well.”
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Hainer's Discount Tire & Auto Repair
“Great service, great pricing, even got thanked for bringing my car for an oil change.”
More Than Tires
“They always give you good information and are honest and fair in their pricing.”
Toth Auto Electric
“Met Paul and he was honest and fast and in just 20 minutes and a minor adjustment have made me a believer that there are still GREAT MECHANICS left.”
Napa Autopro
“Excellent shop, always explain things in as much detail as they can, honest, fair and kind.”
Azza Automotive
“I own a 2002 BMW X5, the mechanics take good of it.”
Scotty's Auto & Truck Service LTD
“My mom and I have been going to Scotty's for all our mechanical needs for years now.”
Central Service Auto Repair
“Had clogged drains from my sunroof and they did a great job repairing with a very reasonable price.”
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Niagara Battery & Tire
“I will always come back for an honest opinion and deal from this location!!”
H & R Auto Body Ltd
“Have been here more than once for various fixes and they always impress with the quality of workmanship or their fast, friendly, service!”
Performance Collision Saint Catharines
“Looks great, along with the unexpected detail!”
Saint Amand Auto & Truck Repair Inc.
“Are able to fit us in at a moment's notice.”
Q-Automotive
“Thank you to Shelly and everyone at Q tires for making this process easy and stress free.”
Auto Service Walter Fasts
“I trust with our vehicles and the price is always fair and reasonable.”
Integrity Car Care Inc.
“It's all in the name of the business, if your looking for an honest mechanic this is your guy, will not lead you on and only does what is necessary.”
Why these companies made our list
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