Dayco 71656 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71656

The Dayco Curved Radiator Hose 71656 is designed specifically for cooling system applications in select Mercury and Nissan vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures reliable performance and compatibility with the Mercury Quest and Nissan Villager models.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 5/16 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 with an 18 1/2 inch trunk height

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on delivering hoses that match the original equipment specifications for coolant systems. This product line emphasizes precise curvature and dimensional accuracy to ensure proper routing and fitment in vehicle cooling systems. The 71656 part is part of this line, providing a reliable replacement hose that maintains system integrity without the need for modifications.

Technical 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 long-term use in automotive cooling systems. Both ends of the hose have an inside diameter of 1 5/16 inches, ensuring a consistent seal and flow rate. The hose is black and features a single inside diameter design, with a trunk height of 18 1/2 inches to accommodate specific routing requirements. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

Compatible Vehicles and Common Applications

• Replacement radiator coolant hose for Mercury Quest models
• Replacement radiator coolant hose for Nissan Villager models
• Used to maintain proper coolant flow and prevent leaks in the radiator system
• Addresses issues such as hose cracking, coolant leaks, and overheating
• Suitable for vehicles requiring a curved radiator hose with 1 5/16 inch diameter ends

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71656, ensure the engine is cool to avoid burns or injury. Verify that the hose routing matches the original configuration to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly. Inspect the cooling system for any additional wear or damage during installation to maintain overall system reliability.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71656 to meet industry standards for durability and performance. The hose complies with SAE specifications, ensuring it meets automotive requirements for coolant hoses. While specific warranty details are not provided, Dayco products typically adhere to manufacturer quality controls to support reliable operation in Mercury Quest and Nissan Villager vehicles.