Dayco 70752 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 70752

The Dayco Curved Radiator Hose 70752 is engineered for reliable coolant flow in select Buick, Chevrolet, and GMC vehicles. Designed with durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance in various truck and SUV models.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 1/2 inch and 1 13/16 inch ends for precise fitment
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 15 inches suitable for curved radiator connections

Detailed Product Description

The Dayco Curved Radiator Hose 70752 is a dual inside diameter hose designed to replace original equipment on a range of Buick, Chevrolet, and GMC trucks and SUVs. 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 a trunk height of 15 inches, facilitating proper coolant flow and fitment in radiator systems requiring different inlet and outlet diameters. The 1 1/2 inch and 1 13/16 inch inside diameters on each end accommodate specific radiator and engine connections, making it compatible with models such as the Chevrolet Blazer, C10 Suburban, GMC Jimmy, and Buick Century among others.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line focuses on providing hoses with precise bends and dual inside diameters to match OEM specifications for various vehicle cooling systems. This product line is designed to ensure proper coolant circulation and fitment in applications where straight hoses are insufficient. The 70752 part number is part of this line, offering a tailored solution for select GM trucks and SUVs requiring a curved hose with specific diameter ends.

Common Applications and Issues Addressed

• Replacement of cracked or leaking radiator coolant hoses
• Resolving coolant flow restrictions due to damaged or collapsed hoses
• Addressing fitment issues in radiator systems requiring dual diameter connections
• Preventing overheating caused by compromised coolant hose integrity
• Maintaining proper coolant circulation in Buick, Chevrolet, and GMC trucks and SUVs

Installation Notes and Tips

• Ensure engine is cool before removing the old radiator hose to avoid burns
• Check hose clamps and replace if corroded or damaged for a secure seal
• Verify the correct orientation of the curved hose to match radiator and engine fittings
• Inspect surrounding components for wear or damage during installation
• Test for leaks after installation by running the engine and monitoring coolant flow

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70752 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. 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 strict quality control processes to maintain reliability in automotive cooling systems.