Dayco 88473 HVAC Heater Hose

Reliable HVAC Heater Hose for Nissan and Infiniti Vehicles

The Dayco Small I.D. Heater Hose 88473 is engineered to meet the specific HVAC needs of various Nissan and Infiniti models. Designed with durable EPDM material, this black single inside diameter hose ensures consistent performance in your vehicle's heating system.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color with 3/4 inch inside diameter on both ends
• Outside diameter measures 1 1/8 inch on both ends for precise fit
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type for streamlined installation
• Trunk height of 4 1/2 inches for proper routing

About the Dayco Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on delivering hoses with smaller inside diameters tailored for specific HVAC applications. This product line emphasizes material quality and adherence to SAE standards, ensuring compatibility and durability for vehicles requiring precise hose dimensions, such as the Nissan 350Z and Infiniti Q50.

Detailed Product Description

The Dayco 88473 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose feature a 3/4 inch inside diameter and a 1 1/8 inch outside diameter, making it suitable for a range of Nissan and Infiniti models including the 370Z, FX35, G37, and QX70. This hose does not include a heat shield or protective sleeve, focusing on straightforward HVAC system integration. Meeting SAE J20R3 Class D-1 and SAE J1684 Type EC standards, it ensures compliance with industry requirements for heater hoses.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Nissan 350Z and Infiniti Q60 HVAC systems
• Resolving coolant leaks caused by deteriorated heater hoses
• Maintaining proper heater core function by ensuring secure coolant flow
• Preventing overheating issues related to compromised heater hose integrity
• Supporting HVAC system efficiency in models like Nissan G35 and Infiniti FX37

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns from hot coolant. Verify hose dimensions match the OEM specifications for your specific Nissan or Infiniti model. Use appropriate clamps to secure the hose ends and check for leaks after installation. The Dayco 88473 hose is designed for direct replacement without modification.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 88473 to meet strict SAE standards, ensuring reliable performance in demanding automotive environments. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to durability and fitment accuracy.