CSF Lexus GX460 Heavy-Duty All-Aluminum Radiator

The CSF Lexus GX460 Heavy-Duty All-Aluminum Radiator represents a significant advancement in cooling technology tailored specifically for the Lexus GX460 series. While the 1UR-FE V8 engine powering these vehicles has demonstrated exceptional reliability and durability over more than a decade, the auxiliary cooling components, such as the radiator, are subject to wear and eventual failure. The original equipment manufacturer (OEM) radiator fulfills its role adequately under standard driving conditions; however, it exhibits limitations in heat dissipation and structural robustness, particularly as the vehicle ages and accumulates mileage. For owners of GX460 models, especially those exceeding ten years in service, proactively upgrading the radiator is a prudent measure to ensure sustained engine performance and to avoid unexpected breakdowns in remote locations.

CSF’s solution transcends a mere OEM replacement by offering a high-performance radiator engineered with precision and durability in mind. The core of this radiator features a 2-row, 42mm thick aluminum design that significantly enhances fluid capacity and optimizes heat dissipation. This is achieved through CSF’s proprietary B-Tube Technology, which improves heat transfer efficiency by approximately 15% compared to conventional oval welded tubes. Complementing this technology, the radiator incorporates multi-louvered fins that maximize airflow across the core’s surface area, thereby facilitating superior cooling performance under demanding conditions.

Structural integrity is a critical consideration in radiator design, and CSF addresses this by utilizing high-grade aluminum for the end tanks, which are TIG welded to the core for enhanced strength and reliability. This contrasts sharply with the OEM’s crimped plastic end tanks, which are prone to failure due to their inherent weakness. The robust construction of the CSF radiator ensures longevity and resilience, even under strenuous operating environments.

Installation of the CSF radiator is straightforward and user-friendly, designed as a true plug-and-play drop-in fit that requires no modifications, trimming, or cutting. To further optimize installation, CSF provides pre-cut double-sided adhesive foam strips that seal the fan shroud against the radiator, improving airflow efficiency and cooling effectiveness. This attention to detail underscores CSF’s commitment to delivering components that integrate seamlessly with existing vehicle systems.

In addition to its core cooling capabilities, the CSF radiator includes a built-in transmission oil cooler featuring a heavy-duty, high-performance 5-plate design housed within the left side tank. This integrated cooler connects directly to the OEM transmission hoses and is engineered to manage the increased thermal load associated with towing, low-gear crawling, and the use of oversized tires. The presence of oversized tires alters the effective gear ratio, demanding greater effort from both the engine and transmission, which in turn generates additional heat. The CSF radiator’s enhanced cooling capacity effectively mitigates these stresses, maintaining optimal operating temperatures and protecting drivetrain components.

Features

• 2-Row - 42mm Ultra-High-Performance Core for superior cooling capacity
• CSF's Exclusive B-Tube Technology enhancing heat transfer efficiency by approximately 15%
• 6.5mm Tall Ultra Efficient Fins with Multi-Louvered Design maximizing surface area contact and airflow
• CNC Machined Mounting Brackets, Fittings, and OEM Style Inlet/Outlet ensuring precise fitment and durability
• 100% All Aluminum TIG-Welded Construction delivering exceptional strength and corrosion resistance
• Built-in Heavy-Duty High-Performance 5-Plate Transmission Oil Cooler integrated into the left side tank
• Smooth Satin Finish providing a professional aesthetic and corrosion protection
• True Plug-and-Play "Drop-in Fit" Installation requiring no modifications, trimming, or cutting
• Individually Leak and Pressure Tested to guarantee reliability and performance
• 2-Year Limited Warranty offering peace of mind and assurance of quality

Applications

OEM Part Numbers

• Lexus: 16400 38290
• Lexus: 16400-38290
• Lexus: 1640038290
• Lexus: 16400 38253
• Lexus: