Dayco 86104 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 86104

The Dayco Small I.D. Heater Hose 86104 is designed for reliable HVAC system performance in various vehicle models including Chevrolet Silverado 2500 HD, GMC Sierra 3500, Honda Pilot, and Toyota Sienna. 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: 19/32 inches on both ends
• Hose Type: Single I.D. hose
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk Height: 9 inches
• Compatible with multiple Chevrolet, GMC, Honda, Pontiac, and Toyota models

Detailed Product Description

The Dayco Small I.D. Heater Hose 86104 is engineered to meet stringent SAE standards, including SAE J20R3 Class D-1 and SAE J1684 Type EC, ensuring it withstands the demands of automotive heating and cooling systems. Made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, this hose maintains flexibility and durability under varying temperature conditions. The consistent 19/32 inch inside diameter on both ends allows for a secure fit and efficient coolant flow. This hose does not include a heat shield or protective sleeve, making it suitable for applications where additional protection is not required.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line from Dayco focuses on providing precise fitment and reliable performance for HVAC systems requiring smaller inside diameter hoses. This product line is designed to meet or exceed OEM specifications, offering a dependable solution for heater hose replacements in a range of vehicle makes and models. The 86104 part number is a representative example within this line, tailored for vehicles with specific hose diameter requirements.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in Chevrolet Silverado 2500 HD and GMC Sierra 3500 models
• Resolving coolant leaks in Honda Pilot and Toyota Sienna heating systems
• Preventing overheating caused by restricted or damaged heater hoses
• Maintaining proper HVAC system function in Pontiac Sunbird and Chevrolet Cavalier
• Addressing hose degradation due to exposure to heat and automotive fluids

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify hose diameter compatibility with your vehicle’s heater core and fittings. Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid twisting or kinking the hose during installation to maintain proper coolant flow.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86104 to meet SAE specifications, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. For warranty information, consult the product packaging or Dayco’s official resources.