Dayco 71118 Radiator Coolant Hose - Lower - Pipe To Engine

Overview of Dayco Curved Radiator Hose 71118

The Dayco Curved Radiator Hose 71118 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this dual inside diameter hose supports efficient heat resistance and flexibility for various vehicle applications.

• Made from high-quality EPDM rubber for durability and heat resistance
• Dual inside diameter design: 2 3/4 inches on one end and 3 inches on the other
• Black color for standard OEM appearance
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height measures 9 1/4 inches for precise fitment
• Does not include heat shield or protective sleeve

Detailed Product Description

The Dayco Curved Radiator Hose 71118 is engineered to meet stringent SAE standards, ensuring compatibility with cooling systems requiring SAE J20R4 Class D-1 and SAE J1684 Type EC hoses. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, making it suitable for maintaining optimal engine temperatures. The dual inside diameter design allows for secure connections to varying radiator and engine fittings, with 2 3/4 inch and 3 inch diameters on each end. The hose’s curved shape and 9 1/4 inch trunk height facilitate proper routing within the engine bay, reducing stress and potential leaks.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line focuses on providing hoses with specific bends and dual diameter ends to accommodate complex cooling system layouts. This product line is designed to replace OEM hoses that require precise curvature and size transitions, ensuring a proper fit and reliable coolant flow. The 71118 part number is part of this line, offering a tailored solution for vehicles needing a curved hose with dual inside diameters.

Common Applications and Problem Solving

• Replacement for cracked or leaking radiator coolant hoses
• Addresses coolant flow interruptions caused by hose deformation
• Prevents overheating due to compromised hose integrity
• Suitable for vehicles requiring dual inside diameter radiator hoses
• Helps maintain proper engine temperature by ensuring coolant circulation

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Verify the hose ends match the radiator and engine fittings by measuring inside diameters (2 3/4 inches and 3 inches). Properly secure hose clamps to prevent leaks, and route the hose to avoid contact with moving parts or sharp edges. Inspect the cooling system for any additional wear or damage during installation.

Quality Assurance

Dayco manufactures the Curved Radiator Hose 71118 to meet SAE specifications, ensuring consistent quality and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability.