Dayco 72810 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72810 for BMW X3

The Dayco Curved Radiator Hose 72810 is designed specifically for BMW X3 models, providing reliable coolant flow and temperature regulation. Constructed from durable EPDM material, this branched radiator coolant hose ensures consistent performance under demanding engine conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• Branched hose design with multiple inside diameters: 1 7/16", 5/8", and 7/8"
• Outside diameters correspond to inside diameters for secure fitment
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 11 1/2 inches for precise installation

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on delivering hoses with complex shapes and branched configurations to accommodate specific vehicle cooling system layouts. This product line is engineered to meet stringent SAE standards, ensuring compatibility and durability for applications like the BMW X3. The 72810 part exemplifies this with its multiple diameter ends and EPDM construction, tailored for efficient coolant routing.

Technical Description and Specifications

The Dayco 72810 radiator coolant hose is a branched hose featuring four distinct end diameters: two ends at 1 7/16 inches inside diameter, one at 5/8 inch, and another at 7/8 inch. The corresponding outside diameters are sized to ensure a secure connection within the cooling system. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, maintaining integrity over time. It does not include a heat shield or protective sleeve, focusing on core hose functionality. The trunk height of 11 1/2 inches supports proper fitment within the BMW X3 engine bay.

Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in BMW X3 vehicles
• Prevention of coolant leaks caused by hose degradation
• Maintaining optimal engine temperature by ensuring proper coolant flow
• Addressing branched hose failures in complex cooling systems
• Supporting cooling system repairs requiring SAE J20R4 Class D-1 compliant hoses

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72810, verify the hose routing matches the original configuration on the BMW X3. Ensure all clamps are securely tightened to prevent leaks. Inspect adjoining components for wear or damage during replacement. The hose’s branched design requires careful alignment to avoid kinks or stress points. No heat shield or protective sleeve is included, so take care to avoid contact with sharp edges or excessive heat sources.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72810 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 chemical exposure typical in automotive cooling systems. Warranty details are subject to Dayco’s standard policies and should be confirmed with the distributor or retailer.