Dayco 72997 Radiator Coolant Hose - Lower

Durable Radiator Coolant Hose for Toyota Tacoma

The Dayco Curved Radiator Hose 72997 is engineered to provide reliable coolant flow for Toyota Tacoma vehicles. Constructed from EPDM material, this black radiator coolant hose offers consistent performance under demanding engine conditions.

• Made from durable EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• End 1 and End 2 inside diameter: 1 5/16 inches
• End 1 and End 2 outside diameter: 1 23/32 inches
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type
• Trunk height of 16 1/2 inches
• Compatible with Toyota Tacoma models

About the Dayco Curved Radiator Hose Line

The Curved Radiator Hose line by Dayco is designed to meet specific vehicle cooling system requirements with precision-engineered bends and dimensions. This product line focuses on delivering hoses that maintain coolant flow efficiency while fitting tightly within engine compartments. The 72997 part number exemplifies this approach, providing a tailored solution for Toyota Tacoma cooling systems without the need for additional protective sleeves or heat shields.

Product Details and Specifications

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, ensuring durability and longevity. Both ends of the hose have an inside diameter of 1 5/16 inches and an outside diameter of 1 23/32 inches, making it a single inside diameter hose suitable for specific radiator connections. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications. Its black color and curved shape are designed to fit the Toyota Tacoma's engine bay layout precisely.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses on Toyota Tacoma
• Resolving coolant leaks caused by hose degradation
• Maintaining proper coolant flow to prevent engine overheating
• Addressing hose swelling or softening due to heat exposure
• Ensuring compatibility with OEM cooling system specifications

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72997, ensure the engine is cool to avoid injury. Verify that the hose dimensions match the vehicle’s radiator and engine fittings. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect adjacent components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures this radiator coolant hose to meet stringent SAE specifications, ensuring reliable performance in Toyota Tacoma vehicles. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and durability.