Welcome to Left Coast Diesel, your northern California Leader in diesel services, repairs and maintenance. Over the last 13 years of quality work our vision and what we are here to achieve for our customers has always been to help keep and make their rig dependable and on the road. In years past, the diesel market was heavily involved Welcome to Left Coast Diesel, your northern California Leader in diesel services, repairs and maintenance. Over the last 13 years of quality work our vision and what we are here to achieve for our customers has always been to help keep and make their rig dependable and on the road. In years past, the diesel market was heavily involved in aftermarket accessories that were build around fuel mileage and more horsepower. While these products offered much immediate gratification on older vehicles, we have seen over time that maxing out many of the factory components(I.E. Turbo and injectors) the truck starts to see repairs sooner than vehicles that have remained stock throughout their lives. ...more