Total Quartz
“They are honest and have fair pricing, and they make sure to confirm the quotes with the customer at every step.”
Best Engine Repair & Rebuild in Waterloo, ON
15 technicians listed · 10 in Waterloo · 4 open weekends · all 15 rated 4.5+
Data verified October 31, 2026
Essential Auto Service
“The car needed some work, and Essential went above and beyond to complete the work the same day, even waiting for me to pick up the car after closing time.”
Jason's Automotive Repair
“Clearly explains any issues and recommended actions, will listen and answer your questions.”
Good Guyz Garage
“The best masters of their field work here with a lot of experience to help your vehicle”
Mr.mechanic
“The owner, I think he was the owner, personally checked my vehicle over and spent at least 20 min doing so.”
D and R Automotive
“Dave did an awesome job on my timing chain and gears for my 2015 Buick Regal.”
Listed for drivers in and around Waterloo, 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: Waterloo, ON
Of the 15 technicians we list here, 10 are in Waterloo itself and 5 come from Kitchener (6 km). The technicians on this page are rated from 4.5 to 4.9 across 2,687 reviews; 11 have 50 or more reviews. When customers rate these technicians on specific qualities, they most often praise professionalism (97%), quality (79%) and value (71%). The topics that come up most in reviews of the technicians on this page are "diagnosis", "honest" and "fair". 4 are open on Saturdays. Domain records put 5 websites of the technicians on this page at ten or more years old; the oldest dates from 1997. 1 offers financing; 1 gives free estimates; 3 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 11 of the technicians on this page; 10 publish a contact page; 9 list a public email and 2 take bookings online. 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?
10 of the 15 shops are in Waterloo 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.
Bender Motors Ltd
“Professional service, expertise and dedication; a true local business in Waterloo Region.”
Autopsy Custom and Repair
“Painted my brake calipers for free because they wanted them to match.”
Apex Truck & Trailer Inc.
“Apex has been a very trusted mechanic shop in our experience in keeping our equipment in shape and running there best.”
K-W Fuel Injection Ltd
“If you need your gas injectors flow tested and cleaned take them to Ed !”
Book onlineBook
Napa Autopro
“The service and knowledgeable staff are both excellent.”
Eddy's Auto Service
“I recommend Eddy's Auto to everyone who wants good quality parts installed on their vehicles & for excellent workmanship done on their vehicles.”
Central Automotive Service
“Thank you for your fast response and service”
Kingsway Service Centre
“Brent who works there did a fantastic job, good communication.”
K-W Spring & Suspension Ltd
“Really nice place I bean dealing with them since 1985”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
