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Zambranos Complete Auto Center
“His prices are fair and based on our conversation and so far from my experience in the last 2 days with Zambrano's, this place is a very honest and straightforward mechanic shop.”
Best Engine Repair & Rebuild in Trenton, NJ
24 technicians listed · 6 in Trenton · 10 open weekends · 20 rated 4.5+
Data verified October 24, 2026
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John's Service Center
- Mechanic
- Price
- Work
“This is an ugly little garage, run by the brothers Cain and Able, I say this with the highest compliments, as they have very competent mechanics, friendly staff, and best of all, they do excellent work at very fair prices.”
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Bitner Automotive
- Head
- Prices
- Engine
“They can do anything here from service on your heavy equipment, commercial vehicles, daily driver,street rods, race car, or anything with wheels to building a vehicles, restoring a vehicle, and they have a full machine and engine shop and engine dyno...”
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Bill Cook's Auto Services
- Mechanic
- Engine
- Cost
“I will absolutely use Bill Cook's again”
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Chris Lee Auto Repair
“We have had various repairs done including oil changes, brakes, electrical,l and suspension repairs”
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Ramiro Auto Repair Llc
“Very good mechanic I've been looking for a good mechanic their hard to find and I'm glad he was recommended to me by a friend.”
Listed for drivers in and around Trenton, NJ, these 24 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: Trenton, NJ
6 of the 24 technicians we list are based in Trenton; the other 18 serve Trenton from towns including Philadelphia, PA (25 mi), Morrisville, PA (3 mi) and Hamilton Township (4 mi). The technicians on this page are rated from 3.9 to 5.0 across 4,116 reviews; 18 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (92%), quality (88%) and value (78%). The topics that come up most in reviews of the technicians on this page are "communication", "diagnosis" and "fair". 10 are open on Saturdays. The services the technicians on this page list most often on their websites are brake repair (6), oil change (5), wheel alignments (4), check engine light (3) and state inspection (3). 5 list staff certifications (ASE) and 4 have a BBB rating of A or A+. Domain records put 10 websites of the technicians on this page at ten or more years old; the oldest dates from 2003. 4 offer financing; 4 give free estimates; 4 are family- or locally-owned and 6 list coupons or special offers. 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?
6 of the 24 shops are in Trenton itself and the rest come from other towns within 25 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
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Auto Adornos Team Bello
“Veryy good people good pricess my work was donee perfect verry very professional highly recommended”
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Dave's Auto and Truck Service
- Photos
- State
- Phone
“In 24 hours of taking it to Dave's they identified that the battery was being drained by the Hands Free Bluetooth device that stopped working about a year ago, which once disconnected the battery is like brand new again & no issues with the car batte...”
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Gagans Auto Werks
- Brakes
- Diagnosed
- Mechanic
“Lastly, everything about this shop was professional, from how clean the shop was to the equipment being used and how friendly and greeting the place was made me feel safe and comfortable knowing my car was in safe hands.”
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World Auto Center
- Transmission
- Warranty
- Vehicle
“Great communication and fast service I got an oil change that was my second time getting something done from World auto center so that's a good thing..”
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Glenwood Foreign Car
- Dealership
- Audi
- BMW
“Staff was very nice and texted me to let me know what was going on with the car~ location was very convenient and I will definitely be using them again”
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Frank's Servicenter
- Car Service
- Report
- Pictures
“Great shop, these guys look at everything on your vehicle as a whole, not replacing out just one piece but making sure you are good to go , Brendon is super nice and he is very knowledgeable on what your vehicle needs, if you want to keep your car or...”
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Thompson Motor Service
“My husband was so surprised to see the low bill for when we had rear brake pads replaced last year - it seemed to be the price he remembers paying for another car's brake repairs 15-20 years ago!”
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Shums Auto Repair
“I've been a devoted customer of Shums Auto Repair for more than a decade, and I can confidently say that they are the epitome of excellence in the automotive repair industry.”
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Princeton Auto Sports LLC
- Brake
- Diagnosis
- Audi
“I stop Princeton auto shop and they fixed it what nobody could fix great shop and people where nice and respectful I will send everyone to this shop if they want it fixed right that's really all I can say this is going to be my mechanic I rate the sh...”
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EG Auto Center
“Was my first time getting anything done other than a tire plug and everything was good and everyone was so friendly and really seemed like they cared about the customers needs to make sure things were good.”
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Penn Jersey Diesel & Trailer
“Great guys , gene and the staff were great , helpful and responsive, a big thank you to Jeff for getting me back on the road no longer staring at check engine light 100% recommend this shop !”
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Union Line Garage
- Audi
- Safety
- Warranty
“He gave me a very in depth look at all the problems I am having with my vehicle, to which I was very grateful so as to make an informed decision about how to proceed.”
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Makefield Auto Repair
- Vehicle
- Prices
- Truck
“The reviewers before me who used words and phrases like “fair”, “honest”, “nice people”, know what those words mean - so do the folks at Makefield AR.”
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Ewing Auto Repairs
“Others to go here for service they always fix any problem I have with my truck good place to go to get your car or truck fixed with very reasonable price!”
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European Motorworks
- Light
- Work Done
- Audi
“With that being said probably over the past 6-8 months I have experienced check engine light on, misfiring, rough starts, fast unintentional exceleration, rough idling.”
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ATO Motors
- Truck
- BMW
- Prices
“They did a great job fixing a very complicated engine problem (blown head gasket, slow valve cover gasket leak, and multiple other things) in a timely manner and literally $1,000 cheaper than the next closest estimate I got.”
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Marty's Auto Repair
- Honest
- Work
- Prices
“After a thorough diagnostic of the check engine and VSA lights, Marty and his staff replaced my timing chain and the car runs like new after 152k miles.”
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J Rodg Automotive LLC
- Inspection
- Prices
- Mechanic
“I love Jay and the guys over their they due the best work around and are ways honest and upfront with everything I always leave out of their learning so much more about my truck I'm blessed to have found him and his shop.”
Why these companies made our list
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