About CM Northwest Battery and Automotive
CM Northwest Battery and Automotive handles engine diagnostics, preventive maintenance, and diesel-specific repair work in Helena, Montana. The shop serves the I-90 corridor and surrounding mountain trucking routes, where owner-operators and fleet managers depend on dependable service for their diesel equipment. Coverage extends 15 miles from the Helena location, reaching into nearby communities including Clancy, allowing the operator to support customers across the region. Call (406) 422-4805 for diesel service.
Gallery
Our Services
ASE Certified
Engine Diagnostics
Preventive Maintenance
Diesel Specialist
Customer Reviews
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Verified Customer
Google Review
Well, the shop and personnel are very professional. The work was performed as expected; engine light on, found problem, fixed it. Great. Now, I get the bill, pay and drive home after paying with a CC. Reading the receipt was a great ...
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Verified Customer
Google Review
Response from the owner
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Verified Customer
Google Review
I absolutely love the CM Automotive team! They are stuck with me as a customer because of their top notch customer service, communication skills, and of course the excellent job the mechanics did on my truck! I really like that they have ...