CSF Radiator 2-Row 42mm Aluminum Core with B-Tube Technology

CSF Radiator 2-Row 42mm Aluminum Core with B-Tube Technology Upgrade cooling performance with the CSF 2-Row 42mm aluminum core radiator featuring exclusive B-Tube Technology . This high-capacity core improves fluid volume and boosts heat dissipation for reliable temperature control during heavy towing, off-roading, or high-load driving. B-Tube Technology: Increases heat transfer by ~15% compared to standard oval welded tubes. 42mm 2-row aluminum core: Larger core area and fluid capacity for improved cooling efficiency. Multi-louvered fins: Maximizes airflow through the core to extract heat faster even at low vehicle speeds. All-aluminum end tanks: TIG-welded to the core for superior strength and leak resistance vs. OEM plastic-crimp designs. Plug-and-play fit: True drop-in replacement—no trimming, cutting, or modifications required. This radiator is engineered for durability and performance: ideal for drivers who need consistent cooling under extreme conditions. The combination of increased core efficiency, advanced tube design, and rugged construction keeps engine temps in check and improves long-term reliability. Perfect for: off-road enthusiasts, heavy-duty users, and anyone replacing a failing OEM radiator who wants a direct-fit, high-performance solution.