Koyorad A2581 Radiator

Overview of Koyorad A2581 Radiator for Lexus and Toyota

The Koyorad A2581 radiator is engineered for reliable cooling performance in Lexus 4Runner and Toyota GX470 models. Designed with durable aluminum core construction and integrated transmission oil cooler, this radiator supports efficient engine and transmission temperature management.

• Core dimensions: 25.5625 inches height, 24.1875 inches width, 1.4375 inches thickness
• Aluminum core material with 2 core rows for effective heat dissipation
• Plastic tank construction for corrosion resistance and weight reduction
• 1.5 inch inlet and outlet diameters for optimal coolant flow
• Includes internal transmission oil cooler with 1.0625 inch diameter lines

Detailed Product Description

The Koyorad A2581 radiator features a robust aluminum core measuring 25.5625 inches in height and 24.1875 inches in width, with a thickness of 1.4375 inches. Its dual-row core design enhances cooling efficiency by increasing surface area for heat exchange. The plastic tanks provide durability while reducing overall weight. This radiator is equipped with a built-in transmission oil cooler, compatible with the Lexus 4Runner and Toyota GX470, allowing simultaneous cooling of engine coolant and transmission fluid. Both inlet and outlet ports measure 1.5 inches, ensuring proper coolant circulation, while the transmission oil cooler lines have a diameter of 1.0625 inches to maintain transmission temperature within optimal ranges.

Compatible Vehicles and Applications

• Designed specifically for Lexus 4Runner models requiring part number A2581
• Compatible with Toyota GX470 vehicles needing a direct-fit radiator replacement
• Ideal for addressing overheating issues related to engine coolant or transmission fluid
• Suitable for vehicles experiencing reduced cooling efficiency or radiator leaks
• Can be used to replace damaged or worn radiators in specified Lexus and Toyota models

Installation Notes and Tips

When installing the Koyorad A2581 radiator, ensure all coolant and transmission fluid lines are properly connected to prevent leaks. Verify that the inlet and outlet diameters match the vehicle’s hoses for a secure fit. It is recommended to flush the cooling system and transmission fluid lines before installation to maintain system cleanliness. Proper torque specifications should be followed for mounting bolts to avoid damage to the plastic tanks.

Quality Assurance and Warranty

Koyorad radiators are manufactured to meet OEM specifications, ensuring reliable performance and durability. The A2581 radiator undergoes rigorous quality control to maintain consistent standards. Warranty information is provided by Koyorad and should be confirmed at the time of purchase for coverage details.