Dayco 71718 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71718

The Dayco Curved Radiator Hose 71718 is designed for reliable cooling system performance in Chevrolet, GMC, and Isuzu trucks. Engineered with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for models like the Chevrolet S10, GMC Sonoma, and Isuzu Hombre.

• Constructed from high-quality EPDM material for heat and ozone resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 5/16 inches on both ends for consistent coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type without heat shield or protective sleeve
• Trunk height of 16 inches for proper routing in engine bay

Detailed Product Description

The Dayco Curved Radiator Hose 71718 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a consistent 1 5/16 inch inside diameter on both ends, ensuring a secure and leak-free connection within the cooling system. The black curved hose is designed specifically for use in Chevrolet S10, GMC Sonoma, and Isuzu Hombre trucks, providing a precise fit that supports efficient coolant circulation. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling applications without the need for additional heat shields or protective sleeves.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line focuses on delivering hoses shaped to fit specific vehicle cooling system layouts. This product line emphasizes precise curvature and dimensional accuracy to ensure proper coolant flow and ease of installation. The 71718 part number is part of this line, offering a tailored solution for Chevrolet, GMC, and Isuzu trucks requiring a curved radiator hose with consistent inside diameters and durable EPDM construction.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet S10, GMC Sonoma, and Isuzu Hombre
• Resolving coolant leaks caused by hose degradation or improper fit
• Maintaining optimal engine temperature by ensuring proper coolant flow
• Preventing overheating issues related to damaged or collapsed hoses
• Upgrading OEM hoses with a durable, specification-compliant replacement

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71718, ensure the engine is cool to avoid burns or pressure-related injuries. Verify that the hose routing matches the original path to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly, and inspect connections for leaks after installation. This hose does not include a heat shield or protective sleeve, so avoid contact with sharp edges or excessive heat sources during installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71718 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The EPDM material provides durability against heat and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Dayco products generally adhere to strict quality control processes to support reliable performance in Chevrolet, GMC, and Isuzu vehicles.