Dayco 71762 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71762

The Dayco Curved Radiator Hose 71762 is designed to provide reliable coolant flow for select GM trucks and SUVs. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance for vehicles like the Chevrolet Tahoe and GMC Yukon.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 17/32 inches and 1 25/32 inches 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 for proper routing in engine bay
• Compatible with multiple GM models including Cadillac Escalade and Chevrolet Blazer

Detailed Product Description

This Dayco Curved Radiator Hose 71762 is a radiator coolant hose designed to maintain efficient coolant circulation in your vehicle’s cooling system. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose supports engine temperature regulation under demanding conditions. The dual inside diameter design allows it to connect different sized fittings securely, with one end measuring 1 17/32 inches and the other 1 25/32 inches. This hose does not include a heat shield or protective sleeve, making it suitable for applications where additional protection is not required.

The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses. Its 15-inch trunk height provides the necessary length and curvature to fit specific GM trucks and SUVs without modification.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dual inside diameters to accommodate complex engine bay layouts. This product line is engineered to meet OEM specifications for fit and function, providing a direct replacement for factory-installed radiator hoses in compatible vehicles. The 71762 part is a representative example, designed to fit a range of GM models requiring a curved hose with specific diameter transitions.

Compatible Vehicles and Applications

• Cadillac Escalade
• Chevrolet Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Tahoe
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Yukon

Common Issues Addressed by This Radiator Hose

• Coolant leaks due to cracked or worn hoses
• Overheating caused by restricted coolant flow
• Hose swelling or softening from heat exposure
• Improper fitment with incorrect hose diameters
• Premature hose failure from substandard materials

Installation Notes and Tips

• Ensure engine is cool before removing old hose to avoid burns
• Check hose clamps and replace if corroded or damaged
• Verify correct orientation of the curved hose for proper fit
• Inspect surrounding components for wear or damage during installation
• Test for leaks after installation by running the engine to operating temperature

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71762 to meet strict SAE standards, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Cadillac, Chevrolet, and GMC vehicles.