We are part of the RDM Group

Proudly family owned and operated, Diecon Marine is a part of RDM Group – one of Australia’s most renowned and respected manufacturers.

Originally established in the 1960’s and known as Diecon Engineering, Diecon Marine is a leader in the Marine Cooling industry, with a steadfast commitment to manufacturing the highest quality Heat Exchangers and Manifolds. Our heat exchangers are designed and manufactured to the highest standards, with safety, durability and reliability in mind. All Diecon Marine Heat Exchangers, manifolds and Mixers are fabricated and manufactured to original drawings and specifications. 

Located in Molendinar on the Gold Coast, QLD, Diecon Marine offers a range of services such as diagnosis, reverse engineering, design and manufacturing. Our parts are commonly used in Pleasure Cruisers, Fishing Charters, Jet boats, Commercial Trawlers and numerous Ferries around the world.

Our ongoing investment in new equipment, and commitment to innovation, means we have the ability to design and manufacture almost any make or model of heat exchanger, exhaust manifold, mixers and more. 

Over 50 years of combined technical, manufacturing, and engineering experience partnered with exceptional customer service sets us apart. Our commitment to superior craftsmanship is unrivalled, with client satisfaction driving everything we do.

Why choose us?

• Your one-stop shop for design, manufacture and replacement of cooling components for marine vessels of various makes and models.
  - Whatever your marine vessel, we have unrivalled flexibility and capacity to provide the most cost-effective solution in the fastest time. 

• Enjoy a solution focused approach.
  - We ALWAYS find a solution, and promise to deliver the most practical, reliable and high quality solution that won’t break your budget.

• Get real value with our commitment to innovation and the highest product quality.
  - You can be certain that your newly manufactured product is durable, reliable and built to last using the highest quality materials and superior Australian craftsmanship.

• Experience exceptional customer service.
  - You can be confident in knowing that we will go the extra mile and find a solution to your problem. Nothing is too hard for us. 

Trust in over 50 years combined engine cooling experience.
- Backed by decades of experience, you can trust us to provide the best advice and deliver the right solution.