Dayco 87813 HVAC Heater Hose - Heater Outlet or Heater To Pipe

Reliable HVAC Heater Hose for Mazda and Mercury Vehicles

The Dayco Small I.D. Heater Hose 87813 is engineered to meet the specific heating and cooling needs of Mazda CX-7 and Mercury Cougar models. Designed with durable EPDM material, this dual inside diameter hose ensures efficient coolant flow within your vehicle's HVAC system.

• Constructed from high-quality EPDM rubber for heat and chemical resistance
• Dual inside diameters: 19/32 inch and 11/16 inch for precise fitment
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height dimension of 27 inches for accurate replacement

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

The Small I.D. Heater Hose line by Dayco focuses on providing hoses with smaller inside diameters tailored for specific HVAC applications. This product line is designed to meet stringent SAE standards, ensuring compatibility and durability in heating systems. The 87813 part number is part of this line, offering a dual inside diameter hose that fits select Mazda and Mercury models.

Product Details and Specifications

The Dayco 87813 heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for HVAC systems. The hose features two different inside diameters—19/32 inch on one end and 11/16 inch on the other—allowing for a secure connection between components with varying sizes. It does not include a heat shield or protective sleeve, which is typical for this hose type. The hose length, indicated by a trunk height of 27 inches, matches OEM specifications for proper fitment in the HVAC system of compatible vehicles.

Compatible Vehicles and Common Applications

• Replacement heater hose for Mazda CX-7 models requiring dual I.D. hose
• Suitable for Mercury Cougar HVAC system repairs
• Addresses issues such as heater core leaks or hose deterioration
• Used to restore proper coolant flow and heating performance
• Ideal for maintenance or HVAC system overhaul in specified vehicles

Installation Notes and Tips

When installing the Dayco 87813 heater hose, ensure the correct orientation of the dual inside diameters to match the vehicle’s HVAC connections. Inspect surrounding components for wear or damage during replacement. Use appropriate clamps to secure the hose ends and prevent leaks. Avoid twisting or kinking the hose during installation to maintain coolant flow integrity.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87813 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring reliable performance in heating systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and standards for automotive HVAC components.