
Mark and his team of seasoned mechanics always have a smile on their faces and are honest in a time of cut throat, corporate owned swindlers. They specialize in large trucks and fleet maintenance...
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Mark's Quality Repair Service in Portland, OR has been providing top-notch repair services for over 30 years, specializing in fleet services and bumper-to-bumper repair of light, medium, and heavy-duty vehicles as well as RVs. Owner Mark Bay is dedicated to delivering quality workmanship, great service, and limited downtime at competitive rates, offering a wide range of services including hydraulics, welding, fabrication, D.O.T. inspections, and more.
Their expert technicians and large facility ensure quick turnaround times for RV and bus repairs, heavy equipment servicing, collision restoration, and specialty projects. With a commitment to excellence and no hidden fees, Mark's Quality Repair Service is the go-to destination for fleet managers and vehicle owners in the Portland Metro Area seeking reliable and affordable repair solutions.
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Mark and his team of seasoned mechanics always have a smile on their faces and are honest in a time of cut throat, corporate owned swindlers. They specialize in large trucks and fleet maintenance...
Good prices and good people. I've had them work on my dump trucks and larger rigs. Alway enjoy working with them.

I asked for a quote to replace the Headgaskets on my truck. Mark said they did them all the time. So I dropped the truck off. Got a call that they had Diagnosed the problem. It was bad...
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