McCoy Tire McHenry Inc
“They made educated recommendations, knew their products, and never made me feel like I was being pushed toward something I didn't need.”
Best Engine Repair & Rebuild in Modesto, CA
15 technicians listed · 11 in Modesto · 5 open weekends · 13 rated 4.5+
Data verified October 16, 2026
Roundel Noel Motorworks
“I just bought an older E350 and will trust them for all of my Mercedes maintenance and repair needs and I would recommend them to my own mother if she was still around.”
Europa Motors
“He found the damaged harness causing the CEL fault on my car and the repair was flawless.”
RM Automotive
“Before I had any work done, I called around and got quotes for labor, and RM automotive was definitely the most fair price.”
Sergio's Auto Repair
“So helpful and so nice, made sure I was hydrated during the heat.”
Dss Motorsports
“Always show up with Derek for anything on my trucks, Always got straight 💯 and also had a LMM engine built that it has over 600 miles so bless 🙌 and happy with they work 💯👌”
Listed for drivers in and around Modesto, CA, 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: Modesto, CA
11 of the 15 technicians we list are based in Modesto; the other 4 serve Modesto from Ceres (3 mi), Oakdale (14 mi) and Manteca (16 mi). The technicians on this page are rated from 4.4 to 5.0 across 1,143 reviews; 6 have 50 or more reviews and 13 are rated 4.5 or higher. 5 are open on Saturdays. 1 lists staff certifications (ASE) and 3 have a BBB rating of A or A+. Domain records put 3 websites of the technicians on this page at ten or more years old; the oldest dates from 2006. 2 offer financing; 1 gives free estimates and 3 list coupons or special offers. We have a website on file for 9 of the technicians on this page; 8 publish a contact page; 3 list a public email and 1 takes 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?
11 of the 15 shops are in Modesto itself and the rest come from other towns within 20 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
Billy d'S Automotive
“Highly recommend Billy D's very good and honest!”
Mecanico Armando's
“Every time I've had an issue, they've diagnosed and fixed it right, no guessing, no unnecessary charges, no runaround”
Mello Truck Repair
“I've had work done on my Duramax, before, and they always did a great job.”
Nates Automotive
“Nate was able to get me in on short notice and out in a timely manner.”
Espinoza Motors Quality Repair
“Professionally educated me about what rack my truck needed, has decades of knowledge and experience and treated me great, on top of all that I couldn't find a better price anywhere.”
Ceres Smog & Tune
“Easy fast and they have DMV service too like registration after smog”
Nordberg Eco Solutions
“Very friendly, knowledgeable, and professional staff all in one place!”
Palominos Motorsports
“Best mechanic, always keeping me updated easy turn around over all an amazing experience bringing my car to PMS.”
2 Nation's Diesel & Auto Repair.
“I highly recommend them to anyone looking for quality work & excellent service!!”
Why these companies made our list
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