Big Dog Diesel and Automotive Repair

10/22/2025

Come join us!!

06/03/2025

🌞 Hey there, friends! Ready to hit the road this summer? 🚗💨

At Big Dog Diesel and Automotive Repair, we know how important it is to keep your vehicle in top shape for those sunny drives! Did you know that regular maintenance can boost your fuel efficiency by up to 15%? That means more money for ice cream stops! 🍦💰

This summer, we’re offering FREE inspections to check everything from brakes and AC recharges to serpentine belts, water pumps, oil changes, and more! Whether it's your trusty diesel or your family sedan, we've got your back.

Give us a call at (406) 661-2559 to schedule your free inspection. Let’s make this summer one to remember!

03/08/2024

Fridays are for flawless rides! Visit our Diesel & Automotive Shop today for top-notch service. From routine maintenance to complex repairs, our skilled team ensures your vehicle runs smoothly. Drive into the weekend with confidence! 🛠️🚙

03/01/2024

We have an engine and transmission for sale.

-Engine lost compression in multiple cylinders
-Has brand new injectors
-Has good turbo
-Has Sinister diesel coolant bypass filter (pictured below)
-Has a 5R110 transmission
-Will come with various engine components IE Air intake and fan shroud
-Comes with downpipe as well
-Running boards are automatic ($800)

5k or OBO for combo

02/27/2024

🔧 Unleash the power of precision with our skilled diesel and automotive technicians! 🛠️ Whether it's diesel conversions or car audio wizardry, our team, with years of professional experience, is here to rev up your ride. Trust the experts at our shop for unrivaled automotive care. Book now and experience the difference! 🚗🔊

03/20/2023

Have a question about your automotive needs? Feel free to scan this code to chat with me at anytime!

03/06/2023

The new decals and hoodies are in! Come see me at 2760 Old Hardin Rd unit #5 or give me a call at (406) 208-0758 for any automotive repairs needed and while you’re here take a look at what I’ve got for apparel and decals.

Automotive repair/service on all makes and models from the biggest projects to regular maintenance