Dayco 72070 Radiator Coolant Hose - Upper - Filler Neck To Engine

Overview of Dayco Curved Radiator Hose 72070

The Dayco Curved Radiator Hose 72070 is designed specifically for cooling system applications in select Scion and Toyota models. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose ensures reliable performance and longevity in your vehicle's cooling system.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Single inside diameter hose with 1 5/32 inch ends on both sides
• Includes a protective sleeve for added durability
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Scion Echo, xA, xB, and Toyota Yaris models

Detailed Product Description

The Dayco Curved Radiator Hose 72070 is a single inside diameter hose measuring 1 5/32 inches at both ends, designed to maintain optimal coolant flow within the radiator system. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, which are critical for maintaining system integrity under operating conditions. The black hose includes a protective sleeve to guard against abrasion and premature wear, although it does not contain a heat shield. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for radiator coolant hoses.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to fit specific vehicle cooling systems without modification. This product line is engineered to replace original equipment hoses in applications where a curved design is necessary for proper routing and clearance. The 72070 part number is part of this line, offering a direct fit solution for select Scion and Toyota vehicles.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Scion Echo, xA, xB, and Toyota Yaris
• Prevention of coolant leaks caused by hose degradation or damage
• Restoration of proper coolant flow to avoid engine overheating
• Elimination of hose collapse or swelling under pressure
• Addressing abrasion damage with the included protective sleeve

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Inspect hose clamps and radiator connections for corrosion or damage and replace if necessary. The Dayco 72070 hose should be installed with the protective sleeve positioned to minimize abrasion points. Verify that the hose routing matches the original path to avoid kinks or interference with other engine components.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72070 to meet strict SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided here, Dayco products typically come with a limited warranty against defects in material and workmanship. Consult the product packaging or Dayco’s official documentation for exact warranty terms.