About Us

Tri-County Diesel Marine provides authorized sales service and parts for marine and industrial projects in the Bellingham, WA area and beyond. We specialize in top brands for marine engine propulsion and power generation as well as land-based power generation.

With over 100 years of combined experience, no job is too big or too small for our friendly team of professionals. Whether it's light service in a sailboat or a complete overhaul of large commercial vessels, we have the experience and expertise to make it happen.

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