Dayco 71085 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71085

The Dayco Curved Radiator Hose 71085 is designed for reliable coolant flow in select Buick, Cadillac, and Oldsmobile vehicles. Engineered with durable EPDM material, this dual inside diameter hose supports efficient engine cooling in models such as the Cadillac DeVille and Buick Riviera.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 1/4 inch and 1 9/16 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 26 inches for precise fitment
• Compatible with multiple Buick, Cadillac, and Oldsmobile models

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on providing hoses with specific bends and dual inside diameters to accommodate complex radiator connections. This product line ensures proper coolant flow and fitment in vehicles requiring non-linear hose routing, such as the Oldsmobile Toronado and Cadillac Eldorado. The 71085 part exemplifies this with its tailored dimensions and material compliance.

Product Description and Specifications

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 engine cooling system use. The hose features two different inside diameters—1 1/4 inch on one end and 1 9/16 inch on the other—allowing it to connect components with varying sizes. It does not include a heat shield or protective sleeve, which is typical for this hose type. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Compatible Vehicles and Common Applications

• Buick models including Riviera and Commercial Chassis
• Cadillac models such as DeVille, Eldorado, Fleetwood, Seville, and Brougham
• Oldsmobile models including Toronado
• Used to replace worn or damaged radiator coolant hoses in these vehicles
• Addresses issues like coolant leaks, hose swelling, and overheating due to hose failure

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71085, ensure the hose is properly seated on radiator and engine fittings matching the specified inside diameters. Inspect clamps and surrounding components for wear and replace if necessary. Avoid twisting the hose during installation to maintain the integrity of the curved design. Verify coolant system pressure and check for leaks after installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71085 to meet SAE specifications, providing assurance of material and dimensional quality. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and performance in automotive cooling systems.