Marty’s GMC
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Customer Reviews of Marty’s GMC
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Repairs on the 2016 GMC 3500 HD
by 2025GMC on 02/24/2025John is the best diesel mechanic in the United states. I admire how honest he is and the skills he has. My Name is Jerry Hogan and I'm a district Fire Chief on Boston Fire Department. I could not be happier with the repairs he has made on… my 2016 GMC 3500 HD Dually . This is a real review, I have ordered a new 2025 GMC 3500 HD Dual Wheel Pickup and marty's GMC is going to do the uplifts, external fuel tank, etc. [contact info removed]
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