Performance Radiator for Toyota Tundra (2000-2006) 4.7L Automatic

Heavy-Duty All-Aluminum Performance Radiator for 2000-2006 Toyota Tundra

Primary Function: Delivers high-efficiency coolant heat rejection to safeguard the 4.7L V8 powertrain under continuous high-load towing and severe off-road driving conditions.

The Stock Tundra Plastic End Tank Weakness

Factory OEM radiators utilize aluminum cores crimped to molded plastic end tanks. Over extended thermal cycles, constant pressure fluctuations and high underhood temperatures degrade the plastic polymer matrix, causing micro-fractures around the upper hose inlet neck and failure along the crimped tank-to-core gasket perimeter. Under heavy towing or prolonged hill climbs, elevated cooling system pressures accelerate fatigue, risking catastrophic coolant loss and severe cylinder head warping on the 2UZ-FE V8.

The Engineering Solution

This direct-fit performance radiator replaces brittle plastic with 100% TIG-welded aircraft-grade aluminum end tanks. Eliminating crimped resin seams ensures complete structural integrity under high hydraulic pressures. The optimized brazed multi-louvered fin design expands core surface area, significantly lowering core fluid resistance and accelerating heat transfer rates to prevent heat soak under sustained thermal stress.

Technical Specifications

Compatibility

• 2000-2006 Toyota Tundra 4.7L V8 Automatic Transmission
• Fits Base, SR5, and Limited trim configurations equipped with the 4.7L 2UZ-FE engine
• Direct-fit replacement for OEM Part Number: 16400-0F020 / DPI 2321
• Does Not Fit: 3.4L V6 (5VZ-FE), 4.0L V6 (1GR-FE), or 2007-later Tundra platforms

The Toyota Durability Caliber

Engineered for maximum thermal resilience, this all-aluminum unit provides dependable cooling capacity, preventing overheating and maintaining peak powertrain reliability when hauling heavy payload or towing at gross vehicle weight rating.