Best Engine Repair and Replacement in Thornton, CO

The highest-rated Engine Overhaul & Replacement companies out of 114 vetted & reviewed in the Thornton area.

I&E Diesel Repairs

I&E Diesel Repairs

(4)
“Experience with good price as well the cheapest in town they don't rip you off good people and they treat you very well if you find this company you are in luck”
Emergency Services
In Business Since 2022
16048 Elizabeth St, Thornton, CO 80602
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Schroeder Truck Repair

Schroeder Truck Repair

(12)
  • Company
“Every person that works here cares about the customers and the quality of work that rolls out the bay doors, we are a team here and want everyone that walks thru our doors to know we care about getting the job done in a timely manner and making sure ...”
Coupons & Offers
Family Business
In Business Since 2015
Serving Thornton Area
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USA Performance Engines

USA Performance Engines

(11)
“They are straightforward, lots of experience and they will help you as much as you let them.”
Licensed, BBB Rating: A+
Coupons & Offers
In Business Since 2006
1001 E 75th Ave C, Denver, CO
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Wesley Automotive

Wesley Automotive

(28)
Engine Repair, Brake Repair, Transmission Repair
“I tried 4 other auto mechanics and even though my appointment was only going to take 15-20 minutes, everyone else wanted me to wait a week or declined to help.”
In Business Since 2021
Serving Thornton Area
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Fahrenheit Motors

Fahrenheit Motors

(9)
  • Mechanic
  • Audi
  • VW
“I repeat anyone who has a Audi or VW this is your go to shop on the north end of denver..”
Accepts All Major Credit Cards
Coupons & Offers
In Business Since 2020
Serving Thornton Area
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Arvada Automotive Center

Arvada Automotive Center

(30)
Oil Change, Brake Repair, Tire and Alignment
“When I first arrived, Noone looked at me and said, with out saying, why in the he'll are you coming up in here, you N, I didn't receive that, kind of welcoming.”
Coupons & Offers
ASE Certified
Accepts All Major Credit Cards
In Business Since 1994
6812 Wadsworth Blvd, Arvada, CO
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Pickering's Auto Service

Pickering's Auto Service

(24)
Periodic Services, Vehicles, Fluid Services
“They did a 60,000 recommended maintenance on my 2016 Ford Fiesta, as well as replace a leaky valve cover gasket, and service/adjust my brakes, and emergency brake.”
Offers Financing Options
ASE Certified
Accepts All Major Credit Cards
In Business Since 1982
90 S Wadsworth Blvd, Lakewood, CO
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Colorado Fleetworks Inc

Colorado Fleetworks Inc

(30)
Engine Swaps & Rebuilds, Custom van Builds, Sprinter van Repair
“They got her in on a same-day appointment, worked after hours, and ended up scavenging a part from one of their own vans as they didn't have the part on hand.”
Emergency Services
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 2020
5470 Newport St, Commerce City, CO
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Euro Motors Inc

Euro Motors Inc

(29)
  • Job
  • BMW
  • Price
“He isn't the type of person who is looking to make a quick buck and overcharge you, but instead is very reasonable, takes the time to explain things to you and cares about his Customers.”
Licensed, BBB Rating: A+
In Business Since 2018
408 Norfolk St, Aurora, CO
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Colchin Automotive

Colchin Automotive

(29)
  • Mechanic
  • Professional
  • Honest
“Not only did they diagnose it quickly and free of charge, but they ordered special oil to try to prolong its life as we can't afford to replace it now.”
ASE Certified
Accepts All Major Credit Cards
In Business Since 1988
5740 N Lamar St, Arvada, CO
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Colorado Engine

Colorado Engine

(29)
Transmissions, Parts, Fleet Maintenance
“I had Colorado Engine put a new engine, rack and pinion, catalytic converter, O2 sensors and a few other small things in my 2001 Dodge truck in 2020 and all I can say is...”
Family Business
ASE Certified
Accepts All Major Credit Cards
In Business Since 1987
5870 W 56th Ave, Arvada, CO
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Advanced Transmission Center

Advanced Transmission Center

(30)
Clutch Repair, Transmission Repair, Transmission Flush
“I'm a former technician, and have seen all of the classic misogynist "mechanic" behavior before, but not here: She asked questions, they answered, explained and gave her helpful tips.”
Coupons & Offers
ATRA Certified
Accepts Debit, All Major Credit Cards, Insurance, Travelers checks
In Business Since 1990
3686 W 72nd Ave, Westminster, CO
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Avalon Motorsports

Avalon Motorsports

(29)
  • Diagnosis
  • Communication
  • Work
“Very helpful and fast service.”
Offers Financing Options
ASE Certified
Accepts All Major Credit Cards
In Business Since 2009
6950 E Colfax Ave, Denver, CO
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Arapahoe Collision & Mechanical LLC

Arapahoe Collision & Mechanical LLC

(27)
  • Business
  • Family
  • Price
“Even with some surprises during the jobs, they contacted me with several options prior to initiating the work, and ultimately I was pleased with their advice.”
Free Initial Consultation
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 2011
342 Norfolk St Suites A-F, Aurora, CO
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Eurosport Automotive Repair

Eurosport Automotive Repair

(29)
  • Porsche
  • Professional
  • Honest
“After explaining our situation to Eurosport Automotive Repair, they squeezed us in first thing at 8am, diagnosed the problem, and had it solved by 2:30pm to keep us on our way.”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 1995
5615 N Lamar St, Arvada, CO
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German Motors

German Motors

(15)
Certification, Equipment, Service A and B
“It's always been pleasure with their excellent service, genuine & transparent discussion with ZERO exploitation.”
Coupons & Offers
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 1971
1360 Simms St, Lakewood, CO
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Shaus Motorsports

Shaus Motorsports

(27)
Auto Repairs
“While everyone else in town couldn't help us until Wednesday, Chris and Aaron at Shaus Motorsports got us fixed up and back on the road in about 4 hours total.”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 2015
15551 E 6th Ave STE 60A, Aurora, CO
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Superior Engines

Superior Engines

(28)
Rebuilt, Replacement and Recycled Cylinder Heads, Rebuilt and Recycled transmissions, Rebuilt, Crate, Custom and Recycled engines
“They've taken such amazing care of us and his truck they've kept us up to date the entire way and Scott has gone above and beyond to make sure everything is running smooth and properly.”
Accepts All Major Credit Cards
In Business Since 2008
6900 Lakewood Pl, Lakewood, CO
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Russell Auto Service

Russell Auto Service

(29)
Preventive Maintenance, Napa Peace of Mind Warranty, Brake Repair
“They provided the list, did not attempt any repairs without permission, told me exactly what to look out for to know when each part would need repairs, AND weather they thought each repair was worth it (my car is not the newest or the nicest).”
Coupons & Offers
ASE Certified
Offers Financing Options
In Business Since 1986
Serving Thornton Area
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Andersen's Foreign Car Service

Andersen's Foreign Car Service

(27)
Diesel Fuel
“We were stuck, brakes leaking while traveling through to Colorado, Jim fit us in, repaired the leaking cylinder and got us in our way in under 2 hours!”
Licensed, BBB Accredited
Accepts All Major Credit Cards
In Business Since 1957
Serving Thornton Area
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S&R Powerstroke

S&R Powerstroke

(29)
  • f350
  • Prices
  • Diagnose
“This fall my water pump failed and Sonny suggested it was time for the ARP headstuds and new headgaskets along with other things while in there (245k on the engine).”
In Business Since 2018
175 Commerce St Unit #3, Broomfield, CO
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Marini Diesel Inc.

Marini Diesel Inc.

(24)
  • Cummins
  • Mechanics
  • Job
“They are definitely the best, honest, professional, with all the knowledge needed for any type of truck, don't waste your time going anywhere else, they'll always service your truck the right way.”
Family Business
In Business Since 1970
7740 Dahlia St, Commerce City, CO
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Loyalty's Automotive

Loyalty's Automotive

(19)
  • Family
  • Prices
“They allowed me to turn down certain services and were open about whether some were absolutely necessary or just recommended while they have it on the lift.”
In Business Since 2022
2021 E. 74th Ave Units J and K, Denver, CO
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Diesel Forward

Diesel Forward

(18)
  • Injector
  • Business
  • Price
“After searching the web for a few days looking for a replacement turbo for my duramax and finding outrageous prices online I came across diesel forward and I'm truly impressed with the staff and service.”
Accepts All Major Credit Cards
In Business Since 1994
6301 Broadway, Denver, CO
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Engine Repair Services in Thornton, CO Cost Estimates

Minimum cost
$719
Maximum cost
$5390
National Average
$2156
Avg Per Hour Rates
$106
$1857
$2995
Average price range is based on 456 cost profiles
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Average Cost $2156
Minimum cost $719
Maximum cost $5390
Avg Per Hour Rates $106

Average range $1857 to $2995 is based on 456 cost profiles.

Why these companies made our list

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