Dayco 72358 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72358

The Dayco Curved Radiator Hose 72358 is designed specifically for cooling system applications in Geo and Toyota vehicles, including the Corolla and Prizm models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance under typical engine operating conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 3/16 inches
• Hose Type: Single inside diameter hose
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk Height: 7 inches
• Does not include heat shield or protective sleeve

Detailed Product Description

The Dayco Curved Radiator Hose 72358 is engineered to maintain coolant flow within the radiator system of compatible Geo and Toyota vehicles, specifically the Corolla and Prizm models. Made from EPDM (ethylene propylene diene monomer), this hose offers resistance to heat, ozone, and coolant chemicals, which helps extend service life. Both ends of the hose have an inside diameter of 1 3/16 inches, ensuring a precise fit for the intended cooling system connections. This single inside diameter hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications. The hose does not include a heat shield or protective sleeve, so installation should consider the surrounding engine environment to avoid abrasion or heat damage.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing shaped radiator hoses that accommodate specific routing requirements in vehicle cooling systems. This product line is designed to offer precise bends and dimensions to fit OEM specifications, reducing the need for modifications during installation. The 72358 part number is part of this line, ensuring compatibility and performance for the Geo Corolla and Toyota Prizm models.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Maintaining proper coolant flow to prevent engine overheating
• Addressing hose swelling or softening due to heat exposure
• Ensuring secure connections in the cooling system to avoid pressure loss

Installation Notes and Tips

• Verify hose inside diameter matches radiator and engine fittings (1 3/16 inches)
• Inspect surrounding components for heat sources since this hose lacks a heat shield
• Use appropriate clamps to secure hose ends and prevent leaks
• Ensure the hose routing matches OEM specifications to avoid kinks or stress points
• Replace any worn clamps or fittings during installation for optimal sealing

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72358 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The EPDM material provides durability against heat and chemical exposure typical in automotive cooling systems. Warranty details should be confirmed with the original equipment manufacturer or supplier, as Dayco typically offers coverage against manufacturing defects.