Dayco 70490 Radiator Coolant Hose - Lower, Lower - Pipe To Radiator or Upper

Overview of Dayco Curved Radiator Hose 70490

The Dayco Curved Radiator Hose 70490 is designed to provide reliable coolant flow for various vehicle models including Chevrolet Malibu, Ford E-100 Econoline, and Toyota Land Cruiser. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• Inside Diameter: 1 1/2 inches on both ends
• Hose Type: Single inside diameter hose
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk Height: 10 1/2 inches
• Compatible with Chevrolet Courier, Ford E-100 Econoline, Toyota Land Cruiser, and more

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends to fit specific engine layouts, reducing stress and improving coolant flow efficiency. The 70490 part number is part of this line, engineered to maintain shape and integrity without the need for additional heat shields or protective sleeves, simplifying installation and maintenance.

Detailed Product Description

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for extended use in automotive cooling systems. Both ends of the hose have a consistent 1 1/2 inch inside diameter, ensuring a secure fit with radiator and engine connections. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant applications in vehicles such as the Chevrolet El Camino and Ford E-100 Econoline. The 10 1/2 inch trunk height accommodates specific engine bay configurations, particularly in models like the Toyota Land Cruiser.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Addressing overheating issues due to restricted coolant flow
• Maintaining proper coolant circulation in Chevrolet Malibu and Ford E-100 Econoline vehicles
• Ensuring compatibility with specific radiator and engine fittings in Toyota Land Cruiser

Installation Notes and Tips

• Verify hose dimensions and fitment with your vehicle model before installation
• Ensure clamps are properly tightened to prevent leaks without damaging the hose
• Inspect surrounding components for wear or damage during replacement
• Replace coolant and bleed the system after hose installation to avoid air pockets

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70490 to meet industry SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to manufacturer standards for durability and reliability in automotive cooling systems.