Dayco 70611 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 70611

The Dayco Curved Radiator Hose 70611 is designed to provide reliable coolant flow for select Buick, Dodge, and Pontiac 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 single inside diameter hose with 1 1/2 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 28 1/4 inches for precise fitment
• Compatible with multiple Buick, Dodge, and Pontiac models

Detailed Product Description

The Dayco Curved Radiator Hose line focuses on delivering hoses that maintain coolant system integrity under various operating conditions. The 70611 part number features a curved design tailored to fit specific engine layouts without kinking or restricting flow. Made from EPDM, this hose resists heat, ozone, and coolant chemicals, extending service life. Both ends have a uniform inside diameter of 1 1/2 inches, ensuring a secure connection to radiator and engine fittings. This hose does not include a heat shield or protective sleeve, which is typical for applications where additional external protection is not required.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with several Buick, Dodge, and Pontiac models, including:

• Buick Bonneville, LeSabre, Riviera
• Dodge Dakota, Durango
• Pontiac Catalina, Firebird, Grand Prix, LeMans

It is designed to replace original equipment hoses that meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring proper fit and function in these vehicles.

Common Issues Addressed by Dayco Radiator Hose 70611

• Coolant leaks caused by cracked or worn radiator hoses
• Overheating due to restricted coolant flow from collapsed hoses
• Hose failure from exposure to heat and engine chemicals
• Improper fitment leading to coolant system pressure loss
• Replacement of aged or brittle hoses to maintain engine cooling efficiency

Installation Notes and Tips

• Ensure engine is cool before removing the old radiator hose
• Check hose clamps and replace if corroded or damaged
• Verify the hose routing matches original equipment to avoid kinks
• Lubricate hose ends with coolant or water for easier installation
• Inspect surrounding components for wear or damage during installation

Quality Assurance and Warranty

Dayco's Curved Radiator Hose 70611 is manufactured to meet SAE specifications, providing assurance of material and dimensional quality. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and performance. Users should consult product packaging or Dayco documentation for warranty terms.