Dayco 71315 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71315

The Dayco Curved Radiator Hose 71315 is designed for reliable coolant flow in select Cadillac, Chevrolet, and Oldsmobile vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a precise fit and long-lasting performance for models like the Cavalier, Cimarron, and Firenza.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 1/4 inch and 1 1/2 inch ends for secure connections
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Black color for standard OEM appearance
• Trunk height of 11 1/2 inches for proper routing and fitment

Detailed Product Description

The Dayco Curved Radiator Hose 71315 is a dual inside diameter hose specifically designed to meet the cooling system requirements of certain Cadillac, Chevrolet, and Oldsmobile vehicles. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability under demanding engine conditions. The hose features a curved design with an inside diameter of 1 1/4 inch on one end and 1 1/2 inch on the other, allowing for a precise fit between radiator and engine components. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive coolant applications. The black color maintains a factory look, and the 11 1/2 inch trunk height supports proper installation and routing within the engine bay.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate unique engine layouts. This product line is engineered to deliver reliable coolant flow and fitment accuracy for various vehicle makes and models. The 71315 part is a representative example, combining material quality and dimensional precision to meet OEM standards for Cadillac, Chevrolet, and Oldsmobile vehicles.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Cadillac Cavalier, Chevrolet Cimarron, and Oldsmobile Firenza
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing overheating issues due to compromised coolant flow
• Addressing hose swelling or softening from heat exposure
• Ensuring secure connections with dual inside diameter ends for proper sealing

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Inspect hose clamps and replace if worn to ensure leak-free connections
• Drain coolant system prior to hose removal to avoid spills
• Ensure hose routing matches OEM configuration to prevent kinks or interference
• Check for proper seating of hose ends on fittings before tightening clamps

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71315 to meet stringent SAE specifications, ensuring reliable performance in automotive cooling systems. The EPDM material and construction standards provide resistance to heat and coolant chemicals. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support durability and fitment.