Dayco 70476 HVAC Heater Hose - Heater To Pipe

Overview of Dayco Curved Radiator Hose 70476

The Dayco Curved Radiator Hose 70476 is designed for reliable HVAC heater hose applications in select Acura, Nissan, and Oldsmobile vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent performance in heating and cooling systems.

• Constructed from EPDM for heat and chemical resistance
• Black color with 3/4 inch inside diameter on both ends
• Single i.d. hose type suitable for HVAC heater connections
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height dimension of 4 3/4 inches for proper fitment

Detailed Product Description

The Dayco Curved Radiator Hose line focuses on providing durable and precisely engineered hoses for automotive HVAC systems. The 70476 part number is a curved radiator hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a consistent 3/4 inch inside diameter on both ends, making it a single i.d. hose designed to maintain proper coolant flow and heater core function. The black hose does not include a heat shield or protective sleeve, which is typical for this type of HVAC heater hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses in passenger vehicles.

Compatible Vehicles and Applications

This Dayco Curved Radiator Hose 70476 is compatible with various Acura, Nissan, and Oldsmobile models, including Acura MDX, Nissan D21, and Oldsmobile Cutlass, Cutlass Supreme, Custom Cruiser, Delta 88, and Toronado. It is specifically designed to replace HVAC heater hoses in these vehicles, ensuring proper fit and function within the heating and cooling system.

• Replaces worn or cracked heater hoses causing coolant leaks
• Restores proper coolant flow to the heater core
• Prevents overheating issues related to faulty HVAC hoses
• Eliminates hose collapse or blockage affecting heater performance
• Addresses hose deterioration from heat and chemical exposure

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70476, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose routing matches the original configuration to avoid kinks or interference. Use appropriate clamps to secure both ends of the hose firmly. Inspect adjacent components for wear or damage during installation to maintain overall HVAC system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70476 to meet SAE specifications, providing assurance of material quality and dimensional accuracy. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and performance in automotive HVAC applications.