Description
The Last Diesel Radiator You’ll Ever Need
Fluidyne Extruded Aluminum Diesel Radiator For 2011 – 2016 GMC/Chevy 2500/3500 (Gas & Diesel)
Sick of cracked, leaking aftermarket radiators? So are we. For decades, diesel truck owners have settled for radiators that simply can’t take the heat. At Fluidyne, we’re putting an end to that — permanently.
Over 30 Years of Proven Performance
For more than three decades, Fluidyne has been a leader in high-performance cooling systems. Our products have powered championship-winning NASCAR teams, extreme off-road builds, and high-horsepower street machines. When it comes to cooling under pressure, nobody does it better.
Now, we’re bringing that same elite-level technology to the diesel world. Our extruded aluminum diesel radiators are engineered from the ground up to outperform and outlast every traditional radiator on the market.
Built with NASCAR-Proven Technology
Our extruded tube core is a single-piece design — not a patchwork of thin, brazed tubes like most aftermarket aluminum radiators. This solid-core construction eliminates the header joint, the #1 failure point in conventional designs. It’s the same technology we use in our official NASCAR oil coolers — and now it’s available for your truck.
Why Fluidyne Radiators Are Different
- Extruded Aluminum Core
Formed from a single piece of aluminum for unmatched rigidity, heat transfer, and durability. - Race-Proven Durability
Trusted in NASCAR and now available for diesel trucks that demand race-grade performance. - Maximum Heat Rejection
The densest core and most aluminum contact surface area in the industry. - Proprietary Fin Design
Engineered for better airflow, faster heat dissipation, and lower temps under heavy load. - Thickest Tanks in the Game
Built to handle real diesel stress — from daily towing to sled pulls and high-boost performance.
Compatible with: 2011 – 2016 GMC/Chevy 2500/3500 6.6 Duramax & 5.7, 6.0, 8.1 Gas
Upgrade the Whole System
Pair your Fluidyne radiator with our direct-fit bar-and-plate transmission coolers for complete cooling coverage — ideal for towing, racing, or daily workhorse duty.
Shipped Strong. Delivered Safe.
Each unit ships in a custom heavy-duty box with high-density foam to prevent damage in transit. Yes, our shipping is slightly more — but unlike other brands, we guarantee your radiator arrives ready to install.
Why Choose Fluidyne?
- 30+ Years of Racing Pedigree
- Official NASCAR-licensed Oil Cooler Supplier
- Made with the Most Advanced Materials in the Industry
- Backed by Generations of Performance Engineering
Don’t trust your diesel to a folded-sheet budget radiator. Invest in the same technology trusted at 200+ MPH — built to last a lifetime in your diesel truck.
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