Dayco 70690 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 70690

The Dayco Curved Radiator Hose 70690 is designed for reliable coolant flow in select BMW and Ford vehicles. Engineered with 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 1/2 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 11 3/4 inches for precise fitment
• Compatible with BMW X5 and Ford Econoline series (E-100, E-150, E-250, E-350, including Club Wagon models)

Detailed Product Description

The Dayco Curved Radiator Hose line offers a specialized design tailored for efficient coolant circulation in automotive cooling systems. This particular hose, part number 70690, is made from EPDM (ethylene propylene diene monomer) rubber, known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/2 inches, making it a single i.d. hose suitable for specific radiator connections. The hose does not include a heat shield or protective sleeve, focusing on straightforward installation and function. Its trunk height measures 11 3/4 inches, ensuring compatibility with the cooling system layout of the supported vehicles.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with various Ford Econoline models, including E-100, E-150, E-250, and E-350, as well as their Club Wagon variants. It is also designed for use in the BMW X5. The part number 70690 is specifically engineered to meet the cooling system requirements of these vehicles, providing a reliable replacement option for maintenance or repair.

• Replacement for worn or cracked radiator hoses in Ford Econoline E-100 to E-350 series
• Addresses coolant leaks caused by hose degradation
• Prevents overheating due to compromised coolant flow
• Restores proper coolant circulation in BMW X5 radiator systems
• Solves fitment issues with non-standard or generic hoses

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70690, ensure the engine is cool to avoid burns or injury. Verify that the hose diameter and trunk height match the vehicle’s specifications before installation. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect adjacent components for wear or damage during replacement to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures this radiator coolant hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for durability and performance. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to support reliable operation in automotive cooling systems.