TYC 2581 Radiator

Overview of the TYC Radiator 2581 for Toyota 4Runner

The TYC Radiator 2581 is engineered specifically for Toyota 4Runner models, providing reliable cooling performance with integrated transmission oil cooling. Designed with durable aluminum core material, this radiator supports efficient heat dissipation and vehicle operation under demanding conditions.

• Core material constructed from aluminum for effective heat transfer
• Includes a plate-type transmission oil cooler for enhanced transmission protection
• Crossflow design with 1-row core configuration
• Core dimensions: 23.12 inches height, 25.59 inches length, and 1.26 inches thickness
• Inlet and outlet hose clamp connections with 1.50-inch diameter
• Top and bottom headers sized at 2.25 by 24.31 inches
• Fin count of 78 per 4 inches and total fin rows of 71 for optimized airflow
• Tube count of 70 with dimensions 32 by 2 inches for efficient coolant flow

TYC Radiator Product Line Details

The TYC Radiator product line focuses on delivering replacement radiators that meet or exceed OEM specifications. This line emphasizes durable aluminum cores and integrated transmission oil coolers where applicable, such as in the 2581 model. The design supports direct fitment and reliable cooling performance for vehicles like the Toyota 4Runner, ensuring compatibility and ease of installation.

Technical Description and Features

This radiator features a crossflow flow configuration that promotes efficient coolant circulation across the core. The aluminum core is designed with a single row of tubes, each measuring 32 by 2 inches, arranged in a total of 70 tubes. The fin density includes 78 fins every 4 inches with a fin wave height of 0.25 inches and a pitch of 2.6 inches, contributing to effective heat dissipation. The radiator also incorporates a plate-type transmission oil cooler with tube fittings sized at 0.39 inches for both inlet and outlet, enhancing transmission fluid cooling without including an engine oil cooler.

Applications and Problem Solving

• Replacement for damaged or leaking radiators in Toyota 4Runner vehicles
• Addresses overheating issues caused by inefficient cooling systems
• Improves transmission fluid temperature regulation with integrated oil cooler
• Resolves coolant leaks from worn or corroded radiator cores
• Supports restoration of proper engine operating temperature for vehicle longevity

Installation Notes and Tips

Installation of the TYC Radiator 2581 requires proper handling of hose clamp connections sized at 1.50 inches for both inlet and outlet. Ensure all hose clamps are securely tightened to prevent leaks. The crossflow design allows for straightforward alignment with existing mounting points on the Toyota 4Runner. When replacing the radiator, inspect transmission oil cooler lines for wear and replace if necessary to maintain optimal fluid flow.

Quality Assurance and Warranty

TYC Radiator products are manufactured to meet industry standards for durability and performance. The aluminum core construction provides corrosion resistance and long service life. While specific warranty details for part number 2581 should be confirmed at the point of purchase, TYC typically offers limited warranties covering defects in materials and workmanship to ensure customer confidence in their replacement radiator.