Dayco 71964 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71964

The Dayco Curved Radiator Hose 71964 is designed for reliable coolant flow in Ford and Lincoln vehicles, including the Expedition, F-150, F-250, and Navigator models. Engineered with durable EPDM material, this branched radiator coolant hose ensures consistent performance under demanding conditions.

• Constructed from high-quality EPDM for heat and chemical resistance
• Branched hose design with multiple inside diameters for precise fitment
• Protective sleeve included for added durability
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Ford Expedition, F-150, F-250, and Lincoln Navigator

Detailed Product Description

The Dayco Curved Radiator Hose 71964 is a branched radiator coolant hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features multiple inside diameters—1 3/4 inches on both ends 1 and 2, 1 inch on end 3, and 3/4 inch on ends 4 and 5—allowing it to connect various cooling system components efficiently. The black hose includes a protective sleeve to guard against abrasion and premature wear, although it does not contain a heat shield. With a trunk height of 19 inches, it is designed to fit specific cooling system layouts in Ford and Lincoln trucks and SUVs.

Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specialized shapes and branched configurations to accommodate complex cooling system designs. This product line ensures proper coolant routing and fitment in vehicles requiring non-linear hose paths, such as the Ford Expedition and Lincoln Navigator. The 71964 part number represents a branched hose variant within this line, engineered to meet SAE standards for durability and performance.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Ford Expedition and Lincoln Navigator
• Addressing coolant leaks caused by hose degradation or damage
• Ensuring proper coolant flow in branched cooling systems of F-150 and F-250 trucks
• Preventing overheating issues related to compromised radiator hoses
• Maintaining cooling system integrity during engine operation

Installation Notes and Tips

• Verify hose diameters and branch connections match your vehicle’s cooling system layout
• Inspect clamps and fittings for wear and replace if necessary during installation
• Ensure the protective sleeve is properly positioned to prevent abrasion
• Follow manufacturer torque specifications for hose clamps to avoid leaks
• Check for clearance around the hose to prevent contact with moving parts

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71964 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The use of EPDM material and protective sleeve enhances durability and service life. Warranty details should be confirmed with the original equipment manufacturer or supplier, as they may vary by application and region.