Dayco 72550 Radiator Coolant Hose - Lower - Pipe To Radiator or Upper - Tee To Radiator

Overview of Dayco Curved Radiator Hose 72550

The Dayco Curved Radiator Hose 72550 is designed to provide reliable coolant flow for select Chevrolet and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 5/16 inches on both ends for uniform coolant flow
• Outside diameter of 1 21/32 inches on both ends for secure connections
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type without heat shield or protective sleeve
• Trunk height dimension of 9 inches

Detailed Product Description

The Dayco Curved Radiator Hose 72550 is manufactured from EPDM (ethylene propylene diene monomer) rubber, known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a consistent inside diameter of 1 5/16 inches on both ends, ensuring smooth coolant circulation without restriction. The outside diameter measures 1 21/32 inches, providing a secure fit to radiator and engine connections. This hose does not include a heat shield or protective sleeve, making it suitable for applications where additional protection is not required. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling systems. The 9-inch trunk height supports proper routing within the engine bay.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is designed to offer precise fitment and reliable coolant transfer for specific vehicle applications. This product line focuses on hoses with curved profiles to accommodate engine bay layouts that require non-linear coolant hose routing. The 72550 part number is part of this line, providing a tailored solution for Chevrolet Camaro and Toyota MR2 Spyder models.

Compatible Vehicles and Common Applications

• Chevrolet Camaro radiator coolant system maintenance
• Toyota MR2 Spyder cooling system hose replacement
• Resolving coolant leaks due to worn or cracked radiator hoses
• Replacing hoses that have become brittle or swollen from heat exposure
• Addressing coolant flow restrictions caused by collapsed or damaged hoses

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. Verify the hose routing matches the original to avoid kinks or interference with other engine components. Tighten clamps securely to prevent leaks but avoid overtightening which can damage the hose ends.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72550 to meet stringent SAE specifications, ensuring durability and performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability.