Dayco 72275 Radiator Coolant Hose - Upper - Radiator To Filler Neck

Overview of Dayco Curved Radiator Hose 72275

The Dayco Curved Radiator Hose 72275 is designed specifically for Buick Allure, LaCrosse, and Rendezvous models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 5/16 inches on both ends
• 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 of 11 inches for proper routing

Detailed Product Description

The Dayco Curved Radiator Hose line offers a range of radiator coolant hoses engineered to meet exact OEM specifications. The 72275 part number is a curved radiator hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a consistent 1 5/16 inch inside diameter on both ends, ensuring a secure and leak-free connection within the cooling system. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, which define performance requirements for coolant hoses in automotive applications. The hose does not include a heat shield or protective sleeve, making it suitable for installations where additional protection is not required.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with the following Buick models:

• Buick Allure
• Buick LaCrosse
• Buick Rendezvous

It is designed to replace worn or damaged radiator hoses in these vehicles, maintaining proper coolant flow and engine temperature regulation.

Common Issues Addressed by This Radiator Hose

• Coolant leaks caused by cracked or brittle hoses
• Overheating due to restricted or collapsed hoses
• Swelling or softening from chemical degradation
• Improper fitment leading to coolant loss
• Premature hose failure from heat exposure

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose
• Check hose clamps and replace if corroded or damaged
• Verify the hose routing matches OEM specifications for proper fit
• Inspect surrounding components for wear or damage during installation
• Tighten clamps securely to prevent leaks but avoid over-tightening

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72275 to meet stringent SAE standards, ensuring durability and reliable performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance. Using this hose helps maintain the integrity of your Buick Allure, LaCrosse, or Rendezvous cooling system.