Best Engine Repair and Replacement in Boulder, CO

The highest-rated Engine Overhaul & Replacement companies out of 127 vetted & reviewed in the Boulder area.

Russell Auto Service

Russell Auto Service

(29)
Oil Change, Napa Autocare Center Benefits, Preventive Maintenance
“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).”
In Business Since 1984
Coupons & Offers
ASE Certified
Offers Financing Options
200 E South Boulder Rd, Lafayette, CO 80026
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Stan's Automotive

Stan's Automotive

(29)
Wheel Alignment, Battery & Starting, Auto Repair
“I have taken my vehicle to them for several semi-major issues over the years (alternator replacement, oil leak, engine rebuild, timing belt) and I have never had a bad experience.”
In Business Since 1976
Family Business
ASE Certified
Accepts All Major Credit Cards
1950 W South Boulder Rd, Lafayette, CO 80026
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USA Performance Engines

USA Performance Engines

(11)
“These guys did an excellent job on my AMC 360 for my Cj5.”
In Business Since 2006
Licensed, BBB Rating: A+
Coupons & Offers
1001 E 75th Ave C, Denver, CO
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Arvada Automotive Center

Arvada Automotive Center

(30)
General Repair, Oil Change, Brake Repair
“Again, very fair price and they didn't sell me a service or parts I didn't need just to boost their work ticket, they did an honest assessment and got me back on the road while saving me a bunch of money compared to what I thought I needed.”
Locally Owned & Operated
In Business Since 1996
Coupons & Offers
ASE Certified
6812 Wadsworth Blvd, Arvada, CO
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Advanced Transmission Center

Advanced Transmission Center

(30)
Manual Transmission Repair, Transmissions, Clutch Repair
“I recently took my 2014 Jeep Grand Cherokee to Advanced Transmission with an error code indicating a problem with an Unintended Park Position, likely a solenoid issue.”
In Business Since 1990
Coupons & Offers
ATRA Certified
Accepts Debit, All Major Credit Cards, Insurance, Travelers checks
3686 W 72nd Ave, Westminster, CO
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S&R Powerstroke

S&R Powerstroke

(29)
  • Ford Power Stroke Engine
  • Leak
  • Truck
“I only have a good things to say, Sonny really knows what he's doing, It was a good experience all around, & Thanks again For taking the time to explain some things.”
In Business Since 2018
175 Commerce St Unit #3, Broomfield, CO
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Diesel Forward

Diesel Forward

(18)
  • Warranty
  • Turbo
  • Injector
“They have the best pricing, the guys are always very informative, and I had a warranty issue once and when I brought it to them, they took me in back to shop area and completely dismantled it in front of me, explained how everything worked, found the...”
In Business Since 1994
Accepts All Major Credit Cards
6301 Broadway, Denver, CO
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Automotive Engineering

Automotive Engineering

(10)
“0 powerstroke from Mike at Automotive Engineering, great experience and great people who work there, also an amazing motor ive had zero issues with my motor for the past 60,000 miles highly highly recommend”
In Business Since 2005
Licensed, BBB Rating: A+
6541 Washington St Unit T, Denver, CO
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Studio Engine Werx

Studio Engine Werx

(6)
“I really brought a disaster their way and they kept the best attitudes through the whole thing and I couldn't ask for better problem solving and professionalism from a shop.”
In Business Since 2020
7870 Granada Rd, Denver, CO
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Green Eyed Motors Service

Green Eyed Motors Service

(1)
“These guys were able to get the part in that day and get us back on the road within a couple hours.”
In Business Since 2011
Serving Boulder Area
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Ally Diesel

Ally Diesel

(8)
“Brought in my truck for some service got it done right away and very good pricing definitely will be coming back if any problems with my truck 10/10 recommended!”
7120 W 117th Ave b5, Broomfield, CO
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RC Cycles & Automotive

RC Cycles & Automotive

(2)
“Brought my 2010 crf450 for a top end very knowledgeable and helpful would recommend”
2885 E Midway Blvd Lot 1501, Broomfield, CO
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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 ...”
In Business Since 2015
Coupons & Offers
Family Business
Serving Boulder Area
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Wesley Automotive

Wesley Automotive

(28)
Transmission Repair, Engine Repair, Brake 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 Boulder Area
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Fahrenheit Motors

Fahrenheit Motors

(9)
  • Professional
  • Check Engine Light
  • Price
“He checked everything else in addition and I'll be back for another in 5k miles!”
In Business Since 2018
Accepts All Major Credit Cards
Coupons & Offers
Serving Boulder Area
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Pickering's Auto Service

Pickering's Auto Service

(24)
Factory Scheduled | Mileage Maintenance Service, Inspections, Periodic Services
“So then I called Pickering's and they said bring it in tomorrow (9/21 the very next day) and they had it fixed and returned to service by 3 pm same day.”
Coupons & Offers
In Business Since 1982
Offers Financing Options
ASE Certified
90 S Wadsworth Blvd, Lakewood, CO
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Colorado Fleetworks Inc

Colorado Fleetworks Inc

(30)
Body Shop, Fleet Maintenance & Repair, Engine Swaps & Rebuilds
“A very personable and easy to relate to mechanic who takes the time to explain the what and why rather than just charging you and sending you on your way.”
In Business Since 2018
Emergency Services
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
5470 Newport St, Commerce City, CO
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Proformance Diesel & Auto Repair & Diesel Emission's

Proformance Diesel & Auto Repair & Diesel Emission's

(28)
Cooling System Maintenance, Emission Testing, Air Conditioning Service
“The fact that you would write a review trying to discredit the services this place offers shows ho tolerant and accepting you really are…Honestly I will continue come here because of the quality service and laugh every time I think of the negative re...”
Family Business
In Business Since 2005
Coupons & Offers
AMSOIL Certified
1119 S Garfield Ave, Loveland, CO
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Euro Motors Inc

Euro Motors Inc

(29)
  • Honest
  • Professional
  • Job
“Unfortunately we have had to bring both of our Infiniti's and our Acura here but we keep coming back and send all of our friends here due to the honesty or shop and speed in which it takes them to get your vehicle back to you.”
In Business Since 2018
Licensed, BBB Rating: A+
408 Norfolk St, Aurora, CO
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Colchin Automotive

Colchin Automotive

(29)
  • Work
  • Trust
  • Vehicle
“Every time I have brought a vehicle here they have been more than helpful and accommodating with pick up, drop off, and payments over the phone when I have needed, as I work 12 hour shifts.”
In Business Since 1986
ASE Certified
Accepts All Major Credit Cards
5740 N Lamar St, Arvada, CO
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Colorado Engine

Colorado Engine

(29)
Engine Installation, Full Service Auto Repair, Transmissions
“They are always busy busy, which is good bc u kno they are doing things right; but the other side of that means they are having to schedule out quite a bit and u feel like if they have to spend any extra time on u or ur vehicle that u are a bother bc...”
In Business Since 1985
Family Business
ASE Certified
Accepts All Major Credit Cards
5870 W 56th Ave, Arvada, CO
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L1 Automotive

L1 Automotive

(30)
Services Offered, Check Engine Light, Directions & Location
“They responded in a timely fashion and I was able to convey the work that I want done on my 4runner (install front ARB diff lock, replace worn steering rack bushings and replace the older leaking CV axels).”
In Business Since 2009
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
339 8th St SE #2, Loveland, CO
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Avalon Motorsports

Avalon Motorsports

(29)
  • Inspection
  • OEM
  • Audi
“Great service with awesome communication.”
In Business Since 2009
Offers Financing Options
ASE Certified
Accepts All Major Credit Cards
6950 E Colfax Ave, Denver, CO
i
Arapahoe Collision & Mechanical LLC

Arapahoe Collision & Mechanical LLC

(27)
  • Brand
  • Estimate
  • Job
“When my parked car lost its bumper in a parking lot mishap these good people restored it to like-new condition for less than the initial insurance estimate.”
In Business Since 2013
Free Initial Consultation
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
342 Norfolk St Suites A-F, Aurora, CO
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Engine Repair Services in Boulder, CO Cost Estimates

Minimum cost
$702
Maximum cost
$5265
National Average
$2106
Avg Per Hour Rates
$103
$1814
$2925
Fair price range is based on 418 cost profiles
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Average Cost $2106
Minimum cost $702
Maximum cost $5265
Avg Per Hour Rates $103

Fair range $1814 to $2925 is based on 418 cost profiles.

Why these companies made our list

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