Proudly family-owned and operated, Diecon Marine is a key member of the RDM Group, one of Australia’s most respected and renowned manufacturing organizations.

Originally established in the 1960s as Diecon Engineering, Diecon Marine has since become a leader in the marine cooling industry. We are committed to delivering the highest quality Heat Exchangers, Exhaust Manifolds, and Mixers. Our products are meticulously designed and manufactured to the highest standards, with an emphasis on safety, durability, and reliability. Every Diecon Marine component is fabricated and produced to original specifications and engineering drawings, ensuring optimal performance and precision.

Located in Molendinar, on the Gold Coast, Queensland, Diecon Marine offers a wide range of services, including diagnostics, reverse engineering, design, and manufacturing. Our parts are trusted by a variety of marine vessels, including pleasure cruisers, fishing charters, jet boats, commercial trawlers, and ferries worldwide.

With continuous investment in the latest technology and a steadfast commitment to innovation, we possess the expertise and capability to design and manufacture heat exchangers, exhaust manifolds, mixers, and more for nearly any make or model.

Backed by over 50 years of combined technical, manufacturing, and engineering experience, we pride ourselves on providing exceptional customer service. Our dedication to superior craftsmanship and client satisfaction drives everything we do.

Why Choose Diecon Marine?

• Your One-Stop Shop for Marine Cooling Components
  Whether you're working on pleasure vessels, commercial fleets, or anything in between, we offer unrivaled flexibility and capacity to deliver cost-effective solutions quickly.

• A Solution-Focused Approach
  We are committed to finding the most practical, reliable, and high-quality solution—without compromising your budget. We always find a way to meet your needs.

• Real Value Through Innovation and Quality
  Rest assured, every product we manufacture is designed to be durable, reliable, and built to last. We use only the finest materials and offer superior Australian craftsmanship.

• Exceptional Customer Service
  At Diecon Marine, we go the extra mile to ensure your satisfaction. No challenge is too great for us to tackle, and we are dedicated to delivering the best possible service.

• Over 50 Years of Combined Experience
  With decades of engineering, manufacturing, and cooling systems expertise, you can trust us to provide expert advice and deliver the right solution for your needs.