CSF Aluminum Radiator for FJ Cruiser 2-Row Core B-Tube Technology

CSF Aluminum Radiator for FJ Cruiser — 2-Row Core with B-Tube Technology Upgrade cooling performance for your Toyota FJ Cruiser with CSF’s heavy-duty all-aluminum radiator. Built from more than five decades of radiator expertise, this 2-row core unit is engineered for on- and off-road durability, overlanding, towing, and extreme conditions. B-Tube Technology: Unique “B”-shaped tubes are seam-brazed to increase strength and allow thinner, lighter aluminum while improving heat transfer surface area by ~15% versus conventional oval tubes. Dual laminar flow: The B-tube design delivers dual liquid flow characteristics inside each tube for superior thermal efficiency in the same package size. High-efficiency fins: Precision multi-louvered fins are engineered and wind-tunnel tested to maximize airflow and heat rejection for consistent engine temperatures. Application-specific fit: Direct-fit solution for FJ Cruiser with core layout and inlet/outlet locations matched to OE dimensions for easy installation. Durable construction: All-aluminum build resists corrosion and stands up to heavy use, mud, and vibration encountered off-road. This CSF radiator delivers measurable cooling gains, improved reliability under load, and peace of mind when you push your FJ Cruiser hardest. Ideal for performance, towing, and adventure-ready builds.