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J4 Automotive
Warranty and Financing Service
“Great staff, informed me of something I had to take care of before I could get an alignment, & even helped me out with something I couldn't get done by myself.”
Engine Repair and Replacement in Helena, MT
24 listed · 13 in Helena · 21 rated 4.5+
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Dj's Automotive
- Diagnosis
- Job
- Oil
“I was traveling from out of town needing a repair, Their professionalism and courtesy to accommodate my situation in fast timely matter was outstanding.”
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Grizzly Diesel Services
“These guys, despite being super busy worked in my new-to-me truck and gave it a thorough look over and took the time to run through what they found and what to expect.”
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Prestige Automotive
Transmission Repair Services, Factory Auto Maintenance, Engine Repair & Replacement
“The got me right in to rebuild my transmission when everyone else said it would be a month or more I will saw more after the job is done so 5 star for now”
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Auto Worx Plus
- Electrical
- Vehicles
- Price
“It is always daunting to try to find mechanics who you can trust and these guys have shown that you can trust them and that is what is most important to me.”
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Blue Collar Diesel & Equipment Repair
- Prices
- Money
- Truck
“I'm glad these guys decided to set up shop in the Helena area because after my experience with some of the all flash no wrench tune shop we desperately need them.”
Area overview: Helena, MT
Of the 24 technicians we list here, 13 are in Helena itself and 11 come from Missoula (8, 97 mi) and Bozeman (3, 78 mi). Their ratings run from 4.2 to 5.0 across 2,342 reviews; 13 have 50 or more reviews; 21 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (82%), quality (67%) and value (62%). The services they list most often on their websites are air conditioning (4), diagnostics (4), cooling systems (3), batteries (2) and belts & hoses (2). 7 list staff certifications (ASE); 7 have a BBB rating of A or A+. 2 have ten or more years of experience, the longest 35 years. 1 gives free estimates; 4 are family- or locally-owned. We have a website on file for 19 of them; 17 publish a contact page; 10 list a public email; 1 takes bookings online. We count these figures across the technicians on this page, from their listings and their own websites; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
The 24 shops on this page repair, rebuild and replace engines in and around Helena, MT. 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.
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Green Handle Garage
Tuning, Diesel Performance, Repair
“Best diesel shop in Helena, I had work done at other shops in Helena and Green Handle Garage is by far the best, quick service, and the owner Kale is very knowledgeable Services Auto engine diagnostic”
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Advanced Engines
“He not only worked us in (we were broken down in an RV), but also gave us some good tips, ordered the gasket from Seattle, and did a great job resurfacing the heads.”
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4th Dimension Suspension
“And very honest!”
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Queen City Off Road
- Prices
- Tacoma
- Truck
“It was pretty evident at the first consult and then when I dropped the truck off before and picked it up after the install by the questions they asked about preferences for the setup and what not that they are really enthusiastic about doing thorough...”
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Threshold Diesel and Fabrication
- Truck
“Very knowledgeable even give me poi ters on what I need to do if I am doing something my self.”
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Transfleet Services LLC
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ESL Road Service
- Drivers
- Company
- Price
“Down time was greatly minimized.”
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Honesty Automotive
Fuel Injectors, Suspension Service, Power Steering Service
“They were kind, understanding, and incredibly helpful as they provided troubleshooting guidance that helped me get to my next location as safely as possible.”
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Rocky Mountain Diesel Corporation
Preventative Maintenance, Napa Peace of Mind Warranty, Diesel Services
“They replaced the turbo with the upgraded model, replaced the old inter-cooler piping and did some other small but essential maintenance while the parts were removed.”
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Foster's Mastertech
Air Conditioning, Brakes, Electrical
“We were able to tow to Foster's on a weekend, negotiate repair via telephone from out of town, and trust the repair immediately for a 400 mile return trip.”
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Greg's Trans-Electric
Exhaust System, Wheel Alignments, Check Engine Light
“A couple weeks after the Initial hiccup On a day the truck really started acting up I swung passed the shop and they diagnosed the problem with a scanner and had it repaired first thing the next morning.”
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Transolution Auto Care Center
“I recently had the pleasure of visiting Transolution Auto Care, and I must say, their exceptional customer service and remarkable technical ability left me thoroughly impressed.”
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Peak Auto Repair
Fuel Systems, Oil Changes, Belts & Hoses
“No one had the time to work on my truck or quoted me 3 to $4000 I talked to Greg at peak auto and he told me to bring it in and he'd see what they could do.”
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EQ Auto & Diesel
Engine Service, Diagnostics, Engine Repair
“10/10 was up in Missoula for a job on Wednesday and the starter in my truck went out, needed to be in another state by Friday these guys made that happen!”
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Tom's Alignment Center
- Brakes
- Town
- Tires
“Had an insurance claim that started with bozeman autobody, things didn't add up later when the work was done so they referred me to toms alignment for further inspection.”
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Willy's Auto
“I'm on a fixed income and was having trouble with a bad battery that O'Reilly's wasn't going to replace after many attempts to show them that they had sold me a bad battery..”
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The Auto Works Inc.
- Vacation
- Audi
- Bmw x5
“We wanted to make sure our Volvo was safe to drive back to Colorado, and although they were booked out for weeks they agreed to look at our vehicle for us which was really helpful.”
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K-O Auto Inc.
- Pictures
- Inspection
- Traveling
“KO Auto was closed for the weekend but I emailed them my situation and they were able to quickly diagnose and repair my car on Monday when they opened!”
Engine Repair Services in Helena, MT Cost Estimates
Minimum cost
$600
Maximum cost
$4500
National Average
$1800
Avg Per Hour Rates
$88
$1550
$2500
Typical price range is based on 365 cost profiles
Why these companies made our list
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FAQ
Why do some listings show another city?
13 of the 24 shops are in Helena itself and the rest are the nearest within 120 mi, shown with their own city. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
What customers in Helena say about local technicians
- “Quick, honest, & affordable.The staff has been patient in answering any questions I might have and I feel comfortable leaving my vehicle in their competent hands.” — customer of J4 Automotive
- “Truely professional!! Very reasonable price and on time as scheduled,if you ever stuck on road I highly recommend this guy,best for truckers as well(roadside assistance)” — customer of ESL Road Service
- “Kind, honest, no BS, great price. I wish I lived closer to Helena because I would take my car there every time I needed anything!” — customer of J4 Automotive
- “Excellent work extremely knowledgeable and friendly shop. The employees perform outstanding work at a very reasonable price and they stand behind everything they do” — customer of Prestige Automotive
- “Saved me thousands! I highly recommend and they were very fast and responsive!” — customer of Blue Collar Diesel & Equipment Repair
Excerpts from public reviews of the technicians listed on this page.