Experienced Marine Mechanics

We’ve expanded our expertise on the water.

Introducing 313 Marine — professional marine servicing, batteries,

and boating essentials, backed by the team you already trust at 313 Automotive

Our dedicated marine team supports boat owners across Sydney with marine batteries, trailer servicing,

eSafety inspections, and HIN codes. Whether you’re preparing for the season or maintaining reliability year-round, we’re here to help.

ABOUT 313 MARINE

313 Automotive technicians servicing a boat trailer and marine equipment at the workshop, supporting 313 Marine services

313 Marine is the marine division of 313 Automotive, created to support boat owners with the same honest advice, high standards, and attention to detail we’ve built our reputation on for decades.

With years of hands-on experience working on boats, trailers, and jet skis, we’ve formalised our marine offering to better serve customers on and off the water.

Owner Mike Carnemolla has worked on marine engines for over 30 years and is a lifelong boating enthusiast, with experience across jet skis, outboards, inboards, and larger diesel engines.

Our team is fully qualified to service marine motors, trailers, and marine electrical systems — providing practical solutions that keep you safe, compliant, and on the water.

what we can help with

Marine battery supply and replacement
Boat and trailer servicing and repairs
Trailer eSafety inspections
Marine electrical support
Quality marine products and accessories

If it powers, move or supports your boat - we can help.

Marine Products & Battery Supply

We supply a curated range of quality marine products selected for reliability, performance, and longevity in Australian conditions.

With access to multiple marinas accross the Canada Bay area - including Drummoyne, Abbotsford, Chiswick, Balmain, Glebe, Hunter Hill, and Putney - we can deliver marine batteries directly to your boat or marina.