Dayco 87794 HVAC Heater Hose - Heater Inlet

Overview of Dayco Small I.D. Heater Hose 87794

The Dayco Small I.D. Heater Hose 87794 is designed specifically for Jeep Grand Cherokee models, providing reliable HVAC system performance. Constructed from durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

• Material: EPDM for heat and chemical resistance
• Color: Black
• Inside Diameter: 5/8 inch on both ends
• Hose Type: Single I.D. hose
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk Height: 27 inches
• Compatible with Jeep Grand Cherokee HVAC systems

About the Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose line focuses on providing precise fitment and reliable performance for HVAC applications requiring smaller inside diameter hoses. This product line is engineered to meet strict SAE specifications, ensuring durability and compatibility with specific vehicle models such as the Jeep Grand Cherokee. The 87794 part number is part of this line, offering a single I.D. hose solution without additional heat shields or protective sleeves.

Detailed Product Description

The Dayco 87794 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 have a 5/8 inch inside diameter, making it suitable for HVAC heater core connections in Jeep Grand Cherokee vehicles. This single I.D. hose does not include a heat shield or protective sleeve, which is typical for applications where additional protection is not required. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Jeep Grand Cherokee HVAC systems
• Resolving coolant leaks affecting cabin heating performance
• Preventing hose collapse or blockage that restricts heater core flow
• Maintaining proper coolant circulation for effective vehicle heating
• Ensuring compliance with OEM specifications for HVAC hose replacements

Installation Notes and Tips

When installing the Dayco 87794 heater hose, ensure the hose is routed without kinks or sharp bends to maintain proper coolant flow. Verify that the 5/8 inch inside diameter matches the vehicle’s heater core and fitting sizes. Use appropriate clamps to secure the hose ends and check for leaks after installation. Since this hose does not include a heat shield or protective sleeve, inspect surrounding components for potential heat exposure and add protection if necessary.

Quality Assurance and Warranty

Dayco manufactures the 87794 heater hose to meet SAE specifications, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for material and workmanship. This hose is engineered to provide reliable service life when installed according to manufacturer guidelines.