Ace's Automotive Inc.
“We have been bringing our vehicles here for about a year and always receive the best service, honest and fast.”
Best Engine Repair & Rebuild in Oshawa, ON
15 technicians listed · 14 in Oshawa · 4 open weekends · 13 rated 4.5+
Data verified October 16, 2026
Tomlin Knight Auto Service
“Mike and Chris are great - they went above and beyond recently to help me out in a tight spot without an appointment.”
Apex Auto Centre
“Same day emergency tire repair and winter tire swap when my summer tire got a fatal nail puncture.”
Quality Truck Repair Inc
“Great fast and they knew what was wrong and had it fixed no problem 😊 …”
Dundas Motors
“Great prices, cheaper than any other quote I've got for the same work.”
Auto Experts Inc.
“Always accommodating, Quick friendly service and the job is always done right the first time.”
Listed for drivers in and around Oshawa, ON, these 15 shops repair, rebuild and replace engines. What each one says about machine work, warranty terms and the engines it supplies comes from its own website; ratings and quotes come from public reviews.
Area overview: Oshawa, ON
Of the 15 technicians we list here, 14 are in Oshawa itself and 1 comes from Whitby (8 km). The technicians on this page are rated from 4.4 to 5.0 across 1,245 reviews; 7 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise quality (85%), professionalism (80%) and value (70%). The topics that come up most in reviews of the technicians on this page are "diagnosis" and "honest". 4 are open on Saturdays. 3 have ten or more years of experience, the longest 22 years. 1 offers financing; 1 gives free estimates; 1 is family- or locally-owned and 2 list coupons or special offers. We have a website on file for 5 of the technicians on this page; 5 publish a contact page and 3 list a public email. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Why do some listings show another city?
14 of the 15 shops are in Oshawa itself and the rest come from other towns within 10 km. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
Sunshine Auto Repair
“Sonny really went above and beyond for me and I will def be returning.”
Richmond's Auto Service
“Been coming here for 6years now my whole family comes vary friendly reliable mechanics and vary reasonable prices their straight shooters!”
Babai Auto Repair Centre
“This shop is providing amazing and extraordinary services I am very happy.”
Classic Auto Repair
“When you find a mechanic that demonstrates the quality, knowledge and pride in workmanship that Classic Auto does it's very easy to quickly build Trust in Nik and the team.”
Barrie Radiator (Oshawa)
“Women sometimes get taken advantage of when getting their cars fixed so as a woman I can tell you Jerry will always do you right .”
Al's Automotive
“Al take amazing care of all my vehicles for my business and personal.”
J & N Auto Service
“Only place I will take our vehicles to and only place I recommend to eveyone else.”
NEW Midwest Auto Collision
“Everything was at a proper speed and the customer service was really good.”
Driveline Whitby
“Hope I never need driveline repairs again but if I do this is where I'll be going”
Why these companies made our list
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