Aj's Auto Diesel Technologies

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2323 Old Hardin Rd
Billings, MT 59101
+1 (406) 409-4785
When it comes to repairing your gas or diesel engine vehicles, you can't trust just any mechanic. But with AJ's Auto Diesel Technologies on your side, you know you're getting high-quality work you can count on. Cars and trucks Diesel engine performance services and upgrades Intake systems Exhaust systems Turbochargers Aftermarket turbochargers High-performance turbochargers Transmission upgrades Performance tuner installation Suspension lift kits Performance lights Off-road lighting sales and installs Hard starting Low power Poor fuel mileage High engine temperatures Ensure your vehicle is repaired to factory standards - call AJ's Auto Diesel Technologies today to schedule a free consultation!

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3.53 reviews
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Grant S.
1/26/2018

Adam and crew are very busy which is a good thing and they are good. They squeezed me in for a small issue but they were great! Diesel guys won't go wrong here!!!! Thanks Adam

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Erin S.
10/24/2020

We were on a road trip far from home and started hanging engine issues. We found AJ's Because it was close to where we were. They were so great in helping us out even though we didn't have an...

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Geneva B.
9/11/2019

Took my van here for a new alternator ( referred to by a friend) when I got my vehicle back the front grill was broke. I spoke to 2 people and was brushed off. I called several times and never...

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