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LTS Motors
“I trust them with my Land Cruiser and know they will ensure it runs forever.”
Best Engine Repair & Rebuild in Boise, ID
15 technicians listed · 13 in Boise · 1 open weekends · all 15 rated 4.5+
Data verified October 17, 2026
Don's Supreme Auto Repair
“As a single woman with little knowledge on the workings of cars I can't express what it means to have found a repair shop that I can fully trust.”
Auto Surgeon
“Had our ABS light come on and they were able to find the loose electrical connection within 24 hours to get everything working properly again.”
Western Auto Service Boise
“Great customer service and great mechanics had my truck in and out in a day.”
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Garry's Automotive
“A big thanks to Aleks and the crew at Garry's Automotive for helping get my 2011 Chev Silverado 2500 HD Duramax back on the road in time for a planned camping road trip.”
Sword Motorsports
“Always great customer service with sword motorsports, he's very good at communicating and diagnosing issues with multiple vehicles I've had in.”
Listed for drivers in and around Boise, ID, these 15 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: Boise, ID
13 of the 15 technicians we list are based in Boise; the other 2 serve Boise from Garden City (2 mi) and Meridian (8 mi). The technicians on this page are rated from 4.5 to 5.0 across 3,221 reviews; 13 have 50 or more reviews. The topics that come up most in reviews of the technicians on this page are "price", "communication" and "fair". 1 is open on Saturdays. 1 lists staff certifications (ASE) and 2 have a BBB rating of A or A+. Domain records put 7 websites of the technicians on this page at ten or more years old; the oldest dates from 2007. 1 offers financing; 1 gives free estimates; 2 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 13 of the technicians on this page; 9 publish a contact page; 5 list a public email and 1 takes bookings online. 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?
13 of the 15 shops are in Boise itself and the rest come from other towns within 10 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
Rogers' Northside Garage
“Seems the turnaround is never more than a couple days on basic repairs/maintenance.”
Deranged Diesel Repair
“My Dodge lost its engine and he has helped me out, not taking advantage of a guy from out of town.”
British Italian German Motors
“They were awesome to find my problem with my 2005 jaguar using coolent.”
Master Tech Diesel Repair
“They replaced all the injection components on my truck and is running better than ever .”
Boise European Motorworks
“They really helped me out and I will happily return when I have a future issues.”
Lamb Cylinder Heads
“Thanks Brent for taking my 88ci to 120ci with them sick heads”
R&R Tires N Mechanics
“Got my oil pressure sensor fixed at a moments notice and I was back in the road.”
K & R Automotive
“Thanks for helping me out today, best price and service by far”
Blazek Diagnostic & Automotive Repair Inc.
“I've had my 1997 Jeep Cherokee serviced by Blazek twice and I've been very pleased with the service.”
Why these companies made our list
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