Dayco 71297 Radiator Coolant Hose - Lower - Pipe To Radiator or Upper

Overview of Dayco Curved Radiator Hose 71297

The Dayco Curved Radiator Hose 71297 is designed to provide reliable coolant flow for various vehicle models including Buick Century, Chevrolet Celebrity, Oldsmobile Cutlass Ciera, Pontiac Riviera, and Toyota MR2. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 7/32 inches
• Hose Type: Single inside diameter hose
• SAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC compliant
• Trunk Height: 17 1/2 inches
• Does not include heat shield or protective sleeve

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to fit specific cooling system layouts. This product line is engineered to meet SAE standards for coolant hoses, ensuring compatibility and durability in various automotive applications. The 71297 part is a single inside diameter hose designed to maintain coolant flow efficiency in curved routing scenarios without additional protective features like heat shields or sleeves.

Detailed Product Description

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in engine cooling systems. Both ends of the hose have an inside diameter of 1 7/32 inches, allowing for a secure fit on compatible radiator and engine fittings. The hose length, indicated by the trunk height of 17 1/2 inches, accommodates specific routing requirements in vehicles such as the Buick Century, Chevrolet Celebrity, Oldsmobile Cutlass Ciera, Pontiac Riviera, and Toyota MR2. Compliance with SAE J20R4 Class D-1 and SAE J1684 Type EC standards ensures the hose meets industry requirements for coolant hose performance and safety.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Buick Century and Chevrolet Celebrity models
• Resolving coolant leaks caused by hose degradation in Oldsmobile Cutlass Ciera and Pontiac Riviera
• Maintaining proper coolant flow in Toyota MR2 cooling systems
• Preventing overheating issues related to compromised radiator hoses
• Ensuring secure hose connections with correct inside diameter sizing

Installation Notes and Tips

• Verify hose inside diameter matches radiator and engine fittings before installation
• Inspect surrounding components for wear or damage during replacement
• Ensure hose clamps are properly tightened to prevent leaks
• Route the hose carefully to avoid kinks or contact with hot engine parts
• Replace any heat shields or protective sleeves separately if required by vehicle specifications

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71297 to meet SAE specifications, ensuring consistent quality and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to the hose's durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for reliability and are suitable for professional automotive repair and maintenance.