Hugh’s Diesel & Auto Repair

Hugh’s Diesel & Auto Repair At Hugh’s Diesel & Auto, we specialize in servicing all makes and models with top-quality care and expertise.

1999 454 we did fuel injectors, fuel pressure regulator, intake gaskets, distributor and tune up on! She runs like a dre...
03/01/2026

1999 454 we did fuel injectors, fuel pressure regulator, intake gaskets, distributor and tune up on! She runs like a dream and no longer misfires! Another clean job!

We had this 2008 Pontiac come in for a coolant leak, we replaced the timing cover gasket and head gaskets! We take pride...
03/01/2026

We had this 2008 Pontiac come in for a coolant leak, we replaced the timing cover gasket and head gaskets! We take pride in making sure the jobs done right and very very clean!

We are taking on a project that we haven’t done before! This 1972 C20 has finally started its restoration process! It’ll...
02/01/2026

We are taking on a project that we haven’t done before! This 1972 C20 has finally started its restoration process! It’ll be a long journey and we are excited to watch it all come together!

Frank had the fun of replacing the engine it a step truck a few weeks ago!
01/12/2026

Frank had the fun of replacing the engine it a step truck a few weeks ago!

We have a 2015 Ford Transit in for all new timing components.
01/12/2026

We have a 2015 Ford Transit in for all new timing components.

This 1993 GMC with the 6.5 diesel is in with some piston issues! It is a very clean pickup for its age!
01/11/2026

This 1993 GMC with the 6.5 diesel is in with some piston issues! It is a very clean pickup for its age!

11/23/2025

WE HAVE MOVED
It’s been 2 months of moving and setting up but we are now back on track. Hugh’s Diesel & Auto Repair is now located at 2324 10th AVE south ( former High Tech Auto building). We apologize for delays due to the move but we are now back to having a full crew and will work on getting caught up! We thank you for your understanding and we appreciate all of our customers who have already followed us to the new shop! Call us for any and all of your vehicle needs, gas or diesel 406-866-0113.

05/13/2025

Ever wonder what kind of cars mechanics actually drive? SPOILER: No one drove a Ferrari. We asked the team at Hugh's Diesel & Automotive — but keep in mind, most of these guys have multiple vehicles... this is just what they drove today! You might be surprised!


Precision, power, and performance—Hugh’s dropping a fresh engine into this Subaru to get it back on the road stronger th...
05/09/2025

Precision, power, and performance—Hugh’s dropping a fresh engine into this Subaru to get it back on the road stronger than ever.

Spring into performance at Hugh’s Diesel and Automotive with our exclusive Spring Cleaning Upgrade Special!Get your vehi...
05/05/2025

Spring into performance at Hugh’s Diesel and Automotive with our exclusive Spring Cleaning Upgrade Special!

Get your vehicle refreshed for the road ahead:
Pay only for your engine tune-up and cleaning products – the 3 hours of labor for your engine cleaning is absolutely FREE!

This powerful Spring Performance Package includes:
• Full Engine Chemical Cleaning (you only pay for the products – labor is FREE!)
• Deep cleaning of intake valves, engine oil system, and fuel injectors
• Complete Engine Tune-Up (labor and parts not included in the free offer)
• Engine Health Check
• Full Vehicle Inspection

It’s the perfect spring cleaning for your engine — helping your vehicle run cleaner, smoother, and more efficiently.
Note: Pricing varies based on your vehicle’s make and model.
Spots are limited – call or message us now to book your appointment!

We’ve got the 6.9 IDI Diesel engine out of the van, head gaskets done, and now it’s ready to go back in. Another classic...
04/15/2025

We’ve got the 6.9 IDI Diesel engine out of the van, head gaskets done, and now it’s ready to go back in. Another classic getting the attention it deserves here at Hugh’s Diesel & Automotive.🏁

Address

2324 10th Avenue South
Great Falls, MT
59405

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+14068660113

Website

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