Dayco 71540 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71540

The Dayco Curved Radiator Hose 71540 is designed for reliable cooling system performance in select Nissan and Suzuki vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for models like the Nissan 200SX, Nissan Sentra, Suzuki Samurai, and Suzuki NX.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black single inside diameter hose with 1 1/16 inch diameter on both ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Curved design tailored for specific radiator coolant routing
• Trunk height of 7 inches for precise fitment

Detailed Product Description

The Dayco Curved Radiator Hose part number 71540 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/16 inches, making it suitable for radiator connections requiring this size. The hose does not include a heat shield or protective sleeve, focusing on a straightforward, durable design. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The 7-inch trunk height supports proper installation and routing within the engine bay.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is designed to provide precise fitment and reliable coolant flow for vehicles requiring curved hose configurations. This product line focuses on delivering hoses that maintain flexibility and durability under typical engine operating conditions without additional protective features like heat shields or sleeves. The 71540 model exemplifies this approach by offering a robust EPDM construction tailored for Nissan and Suzuki applications.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Nissan 200SX and Sentra models
• Restoring proper coolant flow in Suzuki Samurai and NX vehicles
• Preventing coolant leaks caused by hose degradation or swelling
• Addressing overheating issues related to compromised radiator hoses
• Ensuring secure radiator connections with correct hose diameter and curvature

Installation Notes and Tips

• Verify hose diameter compatibility with your vehicle’s radiator fittings (1 1/16 inch inside diameter)
• Inspect surrounding components for wear or damage before installation
• Ensure clamps are properly tightened to prevent leaks without damaging the hose
• Replace hoses when engine is cool to avoid burns or injury
• Check for proper routing to avoid kinks or contact with hot engine parts

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71540 to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability. Using this hose helps maintain the integrity of the cooling system in compatible Nissan and Suzuki vehicles.