Dayco 71365 Radiator Coolant Hose - Upper

Durable Radiator Coolant Hose for Buick, Oldsmobile, and Pontiac

The Dayco Curved Radiator Hose 71365 is engineered to provide reliable coolant flow for select Buick, Oldsmobile, and Pontiac models. Designed with precision, this radiator coolant hose ensures proper fitment and performance for vehicles like the Firenza, Skyhawk, and Sunbird.

• Constructed from EPDM material for heat and chemical resistance
• Black color with a curved design for optimal routing
• Consistent 1 5/16 inch inside diameter on both ends
• Single inside diameter hose type for uniform coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 9 1/4 inches for precise fitment

About the Dayco Curved Radiator Hose Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses that match the original equipment specifications for coolant systems. This product line emphasizes durability and exact fit, reducing the risk of leaks and coolant loss. The 71365 part is a curved hose designed to accommodate specific engine bay layouts in Buick, Oldsmobile, and Pontiac vehicles, ensuring proper coolant circulation and system integrity.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids. The black hose features a consistent inside diameter of 1 5/16 inches on both ends, facilitating smooth coolant flow without restriction. It does not include a heat shield or protective sleeve, focusing on straightforward, reliable performance. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling systems. With a trunk height of 9 1/4 inches, it fits the designated routing paths in the engine compartments of Buick Firenza, Oldsmobile Skyhawk, and Pontiac Sunbird models.

Common Applications and Problem Solving

• Replacement for worn or cracked radiator coolant hoses
• Prevents coolant leaks that can cause engine overheating
• Restores proper coolant flow in Buick Firenza, Oldsmobile Skyhawk, and Pontiac Sunbird
• Addresses hose swelling or softening due to heat exposure
• Maintains system pressure and prevents coolant contamination

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify the inside diameter and trunk height match the original hose for proper fitment. Use appropriate clamps to secure the hose ends and check for leaks after installation. The Dayco 71365 hose is designed for direct replacement without modification.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71365 to meet industry standards, including SAE specifications for durability and performance. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure reliability in automotive cooling systems.