Oakville Automotive Inc
“At Oakville Automotive they are friendly,fast,and quality work for a fair price...”
Best Engine Repair & Rebuild in St. Louis, MO
20 technicians listed · all 20 in St. Louis · 1 open 24/7 · 6 open weekends · 15 rated 4.5+
Data verified October 19, 2026
Hayes Engine Management Inspections
“They were so accommodating by making an appointment for my brakes when I was available today.”
123 Auto
“Did my car justice for a reasonable price and a fair honest opinion.”
Benchmark Auto Repair
“Will give you the honest answer about any problem and just fix it!”
Carsmart Auto Service
“They are always up front with the costs, always ask for approval before work, and keep me updated with texts and pictures so I can make the decisions based on my budget.”
Auto Evaluators
“They never try to overcharge, they're always looking out for your best interest and they do the job right.”
Listed for drivers in and around St. Louis, MO, these 20 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: St. Louis, MO
All 20 technicians we list here are in St. Louis itself. The technicians on this page are rated from 4.2 to 5.0 across 2,735 reviews; 16 have 50 or more reviews and 15 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "fair" and "diagnosis". 1 is open around the clock; 6 are open on Saturdays and 1 on Sundays. The services the technicians on this page list most often on their websites are brakes (3), diagnostics (2) and oil changes (2). 3 list staff certifications (ASE) and 11 have a BBB rating of A or A+. Domain records put 8 websites of the technicians on this page at ten or more years old; the oldest dates from 1998. 1 offers emergency or roadside call-outs; 3 offer financing; 1 gives free estimates; 5 are family- or locally-owned and 6 list coupons or special offers. We have a website on file for 15 of the technicians on this page; 12 publish a contact page; 5 list a public email and 4 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.
Do engine shops listed for St. Louis let me spread the cost?
3 of the 20 shops on this page state that they offer financing. An engine is the repair people borrow for, so compare what the credit costs against what a different car would cost you, and get the repair quote in writing first.
Greg's Auto Service and Repair
“He is competitive in pricing and has always treated me with upmost respect.”
Marty's Auto Shop
“My parents have been going to Marty's for as long as I can remember, and now the guys are working on my kids' cars, too.”
Certified Motor Co
“He charges reasonable rates and doesn't try to take advantage of people with limited auto knowledge”
Chippewa Tire
“I've never had such a pleasant experience at an auto shop and look forward to giving them my business in the future!”
GLB Motorworks
“GLB always does great work on my Aston Martin - I'm very fortunate they were recommended to me and I recommend them often!”
Klein's Loughborough Auto Care
“Made an appointment they had availability the next day and was out quickly”
EB Auto Repair
“10/10 recommend to any one looking for services prices reasonable and does great work”
Aamco Transmissions & Total Car Care
“I'll mos def recommend them to anyone having these types of trouble.”
Precision Import Auto Service
“We can always count on Fritz and his team to do the work necessary and do it well.”
B-Motors
“They have repaired everything I've ever own and right now as I speak they are putting back together my 2018 Dodge Charger Hemi from an accident I had owners or Bayram”
MSP Diesel Solutions
“Amazing service these guys can help you through the parts process.”
Gold Star Mobile Services & Refrigeration LLC
“I had a truck down in Tennessee Goldstar responded quickly, can down and me back up and running!”
Price Motor Co
“Third-generation business, my father's vehicle repairs were performed with skill and accuracy of standards of the industry.”
Mc Claren Motors
“Bill Turnborough is an experienced and resourceful vehicle mechanic .”
Why these companies made our list
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