Dayco 71777 Radiator Coolant Hose - Lower or Upper

Overview of Dayco Curved Radiator Hose 71777

The Dayco Curved Radiator Hose 71777 is designed to provide reliable coolant flow for select Chevrolet, Chrysler, Dodge, Oldsmobile, Plymouth, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black single inside diameter hose with 1 9/32 inch diameter on both ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 14 inches for precise fitment
• Compatible with multiple models including Chevrolet Cruze, Pontiac Grand Prix, and Dodge Stratus

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses shaped to fit specific engine layouts, reducing stress and improving coolant flow efficiency. This product line emphasizes durability and compliance with SAE standards, making it suitable for replacement in various domestic vehicles. The 71777 part number represents a single inside diameter hose designed without heat shields or protective sleeves, optimized for straightforward installation and reliable operation.

Product Description and Specifications

This radiator coolant hose features a consistent inside diameter of 1 9/32 inches on both ends, ensuring a secure connection to the radiator and engine fittings. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, which helps maintain integrity over time. The black color provides a standard appearance compatible with most engine compartments. The hose does not include a heat shield or protective sleeve, which simplifies installation in applications where additional protection is not required. With a trunk height of 14 inches, it fits specific vehicle models precisely, reducing the risk of leaks or premature wear.

Compatible Vehicles and Common Applications

• Chevrolet Cruze and Cruze Limited coolant system maintenance
• Chrysler Cirrus and Dodge Stratus radiator hose replacement
• Oldsmobile Cutlass Supreme and Pontiac Grand Prix cooling system repairs
• Plymouth Breeze and Chevrolet Lumina radiator hose upgrades
• Monte Carlo coolant hose replacement for improved engine cooling

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose
• Check hose clamps and replace if worn to prevent leaks
• Verify the hose routing matches the original to avoid kinks or interference
• Use proper tools to avoid damaging hose ends during installation
• Inspect the cooling system for other worn components during replacement

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71777 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material and construction provide durability under typical operating conditions. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.