Dayco 71682 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71682

The Dayco Curved Radiator Hose 71682 is designed to provide reliable coolant flow for select Ford, INFINITI, Mercury, and Nissan 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 5/16 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 12 inches for precise fitment
• Compatible with Ford Escort, INFINITI FX45, Nissan NV200, and Mercury Tracer models

Detailed Product Description

The Dayco Curved Radiator Hose 71682 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 5/16 inches, ensuring a secure connection to the radiator and engine components. This hose does not include a heat shield or protective sleeve, focusing on straightforward, reliable coolant transfer. The trunk height of 12 inches allows for proper routing within the engine bay, matching the original equipment specifications for the listed vehicle models.

The Curved Radiator Hose product line from Dayco is designed to meet or exceed SAE standards, specifically SAE J20R4 Class D-1 and SAE J1684 Type EC. These specifications confirm the hose's suitability for coolant systems requiring durability under pressure and temperature variations. This hose is engineered to maintain coolant flow integrity in Ford Escort, INFINITI FX45, Nissan NV200, and Mercury Tracer vehicles, providing a direct replacement option for the original radiator coolant hose.

Applications and Common Issues Addressed

• Replacement for cracked or leaking radiator coolant hoses
• Prevents coolant loss due to hose degradation or swelling
• Restores proper coolant circulation to avoid engine overheating
• Eliminates coolant contamination from hose material breakdown
• Ensures secure hose connections to prevent coolant system pressure loss

Installation Notes and Tips

• Verify hose dimensions and fitment with vehicle make and model before installation
• Inspect hose clamps and replace if worn or corroded to ensure a tight seal
• Drain coolant system prior to hose removal to avoid spills
• Ensure proper routing to avoid kinks or contact with moving engine parts
• After installation, refill coolant and check for leaks during engine warm-up

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71682 to meet industry SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford Escort, INFINITI FX45, Nissan NV200, and Mercury Tracer vehicles.