Dayco 71800 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71800

The Dayco Curved Radiator Hose 71800 is designed specifically for Toyota 4Runner, FJ Cruiser, and Tacoma models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 5/16 inches
• Hose Type: Single inside diameter hose
• Meets SAE specifications J20R4 Class D-1 and J1684 Type EC
• Trunk Height: 16 inches
• Does not include heat shield or protective sleeve

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to fit specific vehicle cooling systems. This product line is engineered to maintain coolant flow efficiency while fitting tightly within engine compartments. The 71800 part number is part of this line, offering a curved design that matches the OEM specifications for Toyota 4Runner, FJ Cruiser, and Tacoma models.

Product Description and Specifications

The Dayco 71800 radiator coolant hose is 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 5/16 inches, making it compatible with the corresponding radiator and engine fittings. This single inside diameter hose does not include additional heat shielding or protective sleeves, which is consistent with many OEM radiator hoses. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses on Toyota 4Runner, FJ Cruiser, and Tacoma
• Resolving coolant leaks caused by hose degradation
• Maintaining proper coolant flow to prevent engine overheating
• Ensuring a secure fit with OEM-style curved hose design
• Addressing hose swelling or softening due to heat exposure

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71800, ensure the hose is properly seated on the radiator and engine fittings with secure clamps. Inspect the surrounding components for wear or damage before installation. It is recommended to drain the coolant system prior to hose replacement to avoid spills. Verify that the hose routing matches the original configuration to prevent kinks or interference with other engine parts.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71800 to meet SAE specifications, providing assurance of material and dimensional quality. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in material and workmanship. For exact warranty terms, consult Dayco or the product documentation.