Dayco 71889 Radiator Coolant Hose - Lower - Pipe To Radiator

Overview of Dayco Curved Radiator Hose 71889

The Dayco Curved Radiator Hose 71889 is designed specifically for Nissan 200SX and Sentra models. This radiator coolant hose ensures reliable coolant flow with precise fitment and durable EPDM material construction.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with a curved design for optimal routing
• Inside diameter of 1 1/16 inches on both ends for consistent coolant flow
• 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 16 1/2 inches for proper fitment in engine bay

Detailed Product Description

The Dayco Curved Radiator Hose 71889 is engineered to maintain efficient coolant circulation in Nissan 200SX and Sentra vehicles. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring long service life under demanding engine conditions. The hose features a consistent 1 1/16 inch inside diameter on both ends, facilitating smooth coolant flow without restrictions. Its curved design allows for precise installation in tight engine compartments, reducing stress on connections and preventing leaks.

The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling systems. It does not include a heat shield or protective sleeve, which is typical for this type of single inside diameter hose. The trunk height of 16 1/2 inches supports proper routing and fitment within the cooling system layout of compatible Nissan models.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions tailored to specific vehicle applications. This product line addresses the need for hoses that fit complex engine bay geometries without compromising coolant flow or durability. The 71889 part exemplifies this approach by providing a curved hose solution engineered for Nissan 200SX and Sentra cooling systems.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Nissan 200SX and Sentra
• Prevention of coolant leaks caused by hose deterioration or improper fit
• Restoration of proper coolant flow to avoid engine overheating
• Elimination of hose collapse or kinking due to incorrect hose shape
• Maintenance of cooling system integrity during routine vehicle servicing

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose
• Verify the inside diameter and length match the original hose for proper fit
• Use appropriate clamps to secure the hose ends and prevent leaks
• Inspect surrounding components for wear or damage during installation
• Check for coolant leaks after installation and during initial engine operation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71889 to meet stringent SAE specifications, ensuring reliable performance in Nissan 200SX and Sentra vehicles. The EPDM material and construction standards provide resistance to heat and coolant chemicals, contributing to durability. Warranty details should be confirmed with the distributor or vehicle manufacturer, as Dayco typically supports its products with limited warranties against defects in material and workmanship.