Dayco 72380 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72380

The Dayco Curved Radiator Hose 72380 is engineered for reliable coolant flow in select Cadillac, Chevrolet, GMC, and Saab vehicles. Designed with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

• Constructed from EPDM for heat and chemical resistance
• Black single inside diameter hose with 1 5/16 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Curved design tailored for specific vehicle fitments
• Compatible with multiple GM and Saab models including Escalade, Silverado, Yukon, and 9-7x

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on providing hoses with precise bends and dimensions to match factory specifications. This ensures proper coolant routing and fitment without the need for modifications. The 72380 part number is part of this line, offering a single inside diameter hose designed to maintain coolant system integrity in various GM and Saab vehicles.

Technical Description and Attributes

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 engine cooling systems. Both ends of the hose have an inside diameter of 1 5/16 inches, ensuring a secure fit on corresponding radiator and engine connections. The hose does not include a heat shield or protective sleeve, which is typical for this type of curved radiator hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe, Trailblazer
• GMC Envoy, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500
• Saab 9-7x

Common Issues Addressed by This Radiator Hose

• Coolant leaks due to cracked or worn hoses
• Overheating caused by restricted coolant flow
• Swelling or softening of old radiator hoses
• Improper fitment from generic or incorrect hoses
• Coolant contamination from hose material degradation

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Inspect hose clamps and replace if corroded or damaged. Verify the hose orientation matches the original routing to avoid kinks or stress points. Lubricate hose ends with a small amount of coolant or water to ease installation. After installation, check for leaks and proper coolant flow during engine warm-up.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72380 to meet industry SAE standards, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability in automotive cooling systems.