Dayco 72272 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72272

The Dayco Curved Radiator Hose 72272 is designed to provide reliable coolant flow for select Buick, Chevrolet, GMC, Isuzu, and Saab vehicles. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 1 9/32 inch ends
• Includes a protective sleeve for added durability
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 13-1/2 inches for precise fitment

Detailed Product Description

The Dayco Curved Radiator Hose 72272 is a single inside diameter hose designed to maintain optimal coolant flow in the radiator system. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose is built to withstand the thermal and mechanical stresses typical in automotive cooling systems. Both ends of the hose have an inside diameter of 1 9/32 inches, ensuring a secure connection to the radiator and engine fittings. The hose also features a protective sleeve that helps guard against abrasion and premature wear, although it does not include a heat shield. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to fit specific vehicle cooling systems. This product line is engineered to provide reliable coolant transfer while accommodating the spatial constraints of engine compartments. The 72272 part number is part of this line, offering a tailored fit for various Buick, Chevrolet, GMC, Isuzu, and Saab models, ensuring proper installation and function.

Compatible Vehicles and Common Applications

• Buick 9-7x
• Chevrolet Trailblazer, Trailblazer EXT, Rainier
• GMC Envoy, Envoy XL, Envoy XUV
• Isuzu Ascender
• Saab 9-7x

This radiator coolant hose is used to replace worn or damaged hoses that may cause coolant leaks, overheating, or reduced engine efficiency.

Issues Addressed by Dayco Radiator Hose 72272

• Coolant leaks due to cracked or brittle hoses
• Overheating caused by restricted coolant flow
• Hose swelling or deformation from heat exposure
• Premature hose failure from abrasion or external damage
• Improper fitment leading to coolant system inefficiency

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose
• Check hose ends and clamps for corrosion or damage
• Use proper clamps to secure the hose ends firmly
• Verify the hose routing matches the original to avoid kinks
• Inspect the cooling system for leaks after installation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72272 to meet stringent SAE specifications, ensuring durability and performance. The hose is constructed from EPDM material with a protective sleeve to extend service life. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality guarantees. Refer to Dayco’s official documentation for warranty terms.