Dayco 71750 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71750

The Dayco Curved Radiator Hose 71750 is designed for reliable coolant flow in select Mercury and Nissan vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance for models like the Mercury Villager and Nissan Maxima.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 1 1/16 inch diameter at both ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 7 inches for precise fitment
• Compatible with Mercury Maxima, Quest, and Villager, as well as Nissan Maxima, Quest, and Villager

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses shaped to fit specific radiator and engine configurations. This product line emphasizes precise curvature and dimensional accuracy to maintain optimal coolant flow and prevent kinks or leaks. The 71750 part number is part of this line, providing a tailored fit for the cooling systems of Mercury and Nissan vehicles.

Detailed Product Description

The Dayco 71750 radiator coolant hose is a single inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/16 inches, ensuring a secure connection to the radiator and engine fittings. The hose does not include a heat shield or protective sleeve, which is typical for this type of curved radiator hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The 7-inch trunk height supports proper routing within the engine bay, reducing stress and wear.

Applications and Common Issues Addressed

• Replacement for worn or cracked radiator coolant hoses in Mercury Maxima and Villager models
• Restores proper coolant flow in Nissan Maxima and Quest vehicles
• Prevents coolant leaks caused by hose degradation or swelling
• Eliminates overheating issues related to compromised radiator hoses
• Ensures secure hose connections to avoid coolant loss and engine damage

Installation Notes and Tips

• Verify hose dimensions and curvature against the vehicle’s original hose before installation
• Ensure clamps are properly tightened to prevent leaks without damaging the hose
• Inspect surrounding components for wear or damage during replacement
• Flush the cooling system if contamination or debris is present before installing the new hose
• Allow the engine to cool completely before removing the old hose to avoid burns

Quality Assurance and Warranty

Dayco manufactures the 71750 radiator coolant hose to meet stringent SAE specifications, ensuring durability and performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Users should consult the product packaging or manufacturer resources for warranty information.