Upgrade your 2011–2016 Chevy or GMC Duramax 6.6L diesel truck with a Cold Case Performance Aluminum Radiator—engineered for heavy-duty cooling and precision OEM fitment. Crafted with 100% TIG-welded aluminum and polished tanks, this radiator provides exceptional performance and a clean, high-end under-hood appearance. Its oversized dual-row design significantly outperforms traditional 3- or 4-row radiators by increasing coolant volume and flow.
The crossflow-style core features 16 fins per inch and corrugated fins, delivering enhanced heat transfer and optimal airflow. Installation is seamless with its direct-fit, drop-in design for Silverado and Sierra HD models. Built to withstand the demands of towing, hauling, and high-output diesel performance, this radiator is 42.7% lighter than copper units while using thicker aluminum for long-lasting durability.
Features:
- TIG-welded 100% aluminum for top-tier strength and durability
- Polished tanks offer sleek, show-ready under-hood appearance
- Dual oversized 1″ cooling rows improve thermal efficiency
- Corrugated fins boost airflow and heat dissipation
- 16 fins per inch ensure superior cooling performance
- Direct-fit bolt-in design for 11–16 Duramax 6.6L trucks
- Lighter than copper yet built with thicker aluminum walls
- Built to handle high-performance and heavy-duty towing loads
Specifications:
- Material: TIG-welded aluminum construction
- Radiator Style: Crossflow with polished finish
- Core Size: 33.5″ W x 27.5″ H x 2.75″ thick
- Overall Size: 41″ W x 28.5″ H x 2.75″ thick
- Tube Size: Two 1″ aluminum tubes
- Inlet Size: 1.770″ (upper driver side)
- Outlet Size: 2.000″ (lower passenger side)
- Transmission Cooler: Not included
Included:
- (1) Aluminum Radiator
Fitment:
- 2011-2016 Chevrolet Silverado 2500 6.6L Duramax Diesel
- 2011-2016 Chevrolet Silverado 3500 6.6L Duramax Diesel
- 2011-2016 GMC Sierra 2500 6.6L Duramax Diesel
- 2011-2016 GMC Sierra 3500 6.6L Duramax Diesel
Note:
- Limited Lifetime Warranty
- Requires Dorman 926-160 lower hose O-ring (Sold Separately)
