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"No One Does Diesel Better"
Coleman Marine Diesel, Inc.

2330 Shelter Island Dr., Ste 102

San Diego, CA 92106


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80 Years of Combined Marine Engine Experience

About Coleman Marine Diesel

Coleman Marine Diesel Inc has been firmly committed to providing quality products & excellent customer service in Shelter Island, San Diego since 1983. Complete Service is delivered by certified technicians either in the field, at our repair shop, or at our boatyard located on Shelter Island in San Diego, California.
Jim Coleman and Dave Butler have been partners since 2004 with almost 80 years of collective experience in marine engines. Supported by a staff of certified technicians, Coleman Marine Diesel takes pride in workmanship that is only surpassed by your pride in ownership.


We are factory authorized warranty dealers for MAN, Cummins, Onan, Twin Disc, ZF Marine, Lifeline Batteries, Racor, Steyr, & Fleetguard. Services Include General Maintenance, Service Repair & Overhaul, Onsite Oil & Filter changes. Some of our specialties are Common Rail Engines, Factory Remanufactured Engines, & Repower Technologies.


Whether you're buying a pre-owned boat or overhauling your current boat, Coleman Marine Diesel can provide you with the onboard expertise you can count on. No job is too small or too large at Coleman Marine Diesel. We know our business starts with you and we've been here to serve our valued and loyal clients since 1983. Call us today for a free consultation for your service needs.
"Coleman Marine Diesel... No One Does Diesel Betterâ„¢".


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