Dayco 71880 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71880

The Dayco Curved Radiator Hose 71880 is designed to provide reliable coolant flow for select GM trucks and SUVs. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose supports efficient engine cooling in vehicles like the Chevrolet C1500 and GMC Yukon.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Both ends have a 1 1/4 inch inside diameter for consistent coolant flow
• Includes a protective sleeve to guard against abrasion and wear
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height measures 21 1/2 inches for proper routing

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with specific bends and dimensions to match OEM configurations. This ensures a secure fit and optimal coolant circulation without the need for modifications. The 71880 part number is part of this line, offering a single inside diameter hose designed for compatibility with various GM trucks and SUVs.

Product Description and Attributes

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for under-hood applications. The hose is black and features a curved shape with a consistent 1 1/4 inch inside diameter on both ends, facilitating a smooth coolant path. A protective sleeve is included to reduce wear from contact with engine components or clamps. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Compatible Vehicles and Applications

• Cadillac Escalade
• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Tahoe
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Yukon

This hose is intended for use in the cooling systems of these specific models, providing a direct replacement for the original radiator coolant hose.

Common Issues Addressed by Dayco Radiator Hose 71880

• Coolant leaks due to cracked or worn hoses
• Overheating caused by restricted coolant flow
• Hose deterioration from heat and chemical exposure
• Improper fitment leading to coolant system pressure loss
• Damage from abrasion or contact with engine components

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Inspect hose connections and clamps for wear and replace if necessary. The 71880 hose’s curved design requires proper alignment to avoid kinks or stress points. Use appropriate clamps to secure both ends with a 1 1/4 inch inside diameter. Verify there are no leaks after installation by running the engine and checking coolant flow.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71880 to meet SAE specifications, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry standards for quality and reliability.