Dayco 72665 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72665

The Dayco Curved Radiator Hose 72665 is designed specifically for Chrysler Pacifica models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 Inside Diameter: 1 5/16 inches
• End 2 Inside Diameter: 1 1/2 inches
• End 1 Outside Diameter: 1 21/32 inches
• End 2 Outside Diameter: 1 13/16 inches
• Hose Type: Dual inside diameter hose
• SAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC
• Trunk Height: 17 1/2 inches
• Does not include heat shield or protective sleeve

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dual inside diameters to accommodate specific radiator and engine configurations. This design helps ensure optimal coolant flow and fitment in vehicles like the Chrysler Pacifica, where space constraints require specialized hose shapes. The 72665 part number is part of this line, engineered to meet SAE standards for durability and performance.

Detailed Product Description

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for automotive cooling systems. The dual inside diameter design allows for a secure connection between different sized fittings, with 1 5/16 inch and 1 1/2 inch diameters on each end. The hose’s black color and trunk height of 17 1/2 inches provide a clean, functional appearance and proper routing within the engine bay. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring it meets industry standards for coolant hoses.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses on Chrysler Pacifica vehicles
• Resolving coolant leaks caused by hose degradation or improper fit
• Addressing overheating issues related to coolant flow restrictions
• Ensuring proper coolant system pressure and preventing hose collapse
• Maintaining engine temperature regulation through reliable coolant circulation

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72665, ensure the hose is routed without kinks or sharp bends that could restrict coolant flow. Verify that the dual inside diameters match the radiator and engine fittings for a secure seal. Use appropriate clamps tightened to manufacturer specifications to prevent leaks. Inspect the cooling system for any additional wear or damage during installation to maintain overall system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72665 to meet SAE standards, ensuring consistent quality and durability. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Using this hose helps maintain the cooling system’s reliability in Chrysler Pacifica vehicles.