Dayco 72478 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72478

The Dayco Curved Radiator Hose 72478 is designed specifically for Volkswagen Jetta models, providing reliable coolant flow and engine temperature regulation. Made from durable EPDM material, this radiator coolant hose ensures consistent performance under typical operating conditions.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 1 1/4 inch ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Trunk height of 16 1/2 inches for precise fitment
• Compatible with Volkswagen Jetta cooling systems

Detailed Product Description

The Dayco Curved Radiator Hose 72478 is engineered as a single inside diameter hose with both ends measuring 1 1/4 inches, ensuring a secure connection within the cooling system. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, which is essential for maintaining durability and preventing premature failure. This hose does not include a heat shield or protective sleeve, focusing on a straightforward, reliable design. The trunk height of 16 1/2 inches allows it to fit precisely in the designated routing path for Volkswagen Jetta models.

The Curved Radiator Hose product line by Dayco is tailored to meet specific vehicle cooling system requirements, providing hoses that maintain coolant flow efficiency and system integrity. This line emphasizes compliance with SAE specifications, such as SAE J20R4 Class D-1 and SAE J1684 Type EC, ensuring compatibility with OEM standards and performance expectations.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Volkswagen Jetta vehicles
• Resolving coolant leaks caused by hose degradation or damage
• Preventing engine overheating due to compromised coolant flow
• Maintaining proper coolant system pressure and temperature regulation
• Addressing hose swelling or softening from prolonged heat exposure

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose to avoid burns
• Check hose clamps and replace if corroded or damaged for a secure fit
• Verify the hose routing matches the original to prevent kinks or interference
• Inspect surrounding components for wear or damage during installation
• Test the cooling system for leaks after installation and before driving

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72478 to meet stringent SAE standards, ensuring reliable performance in Volkswagen Jetta cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by manufacturer support for defects in materials and workmanship.