Dayco 86811 HVAC Heater Hose - Pipe To Throttle Body

Overview of Dayco Small I.D. Heater Hose 86811

The Dayco Small I.D. Heater Hose 86811 is designed for reliable HVAC system performance in various vehicle makes and models. Constructed from durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow within your vehicle's heating system.

• Made from high-quality EPDM for heat and chemical resistance
• Black color for easy identification and compatibility
• 5/16 inch inside diameter on both ends for uniform fit
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards
• Single inside diameter hose type for straightforward installation
• Trunk height of 4 1/4 inches for precise routing

Detailed Product Description

The Dayco Small I.D. Heater Hose 86811 is part of the Small I.D. Heater Hose product line, which focuses on providing hoses with smaller inside diameters suitable for compact HVAC systems. This hose is engineered to meet stringent SAE specifications, including SAE J20R3 Class D-1 and SAE J1684 Type EC, ensuring it withstands the demands of automotive heating and cooling systems. The EPDM construction offers excellent resistance to heat, ozone, and automotive fluids, making it a dependable choice for maintaining heater core connections in vehicles such as Ford F-150, Chevrolet Silverado, and Toyota Camry models requiring a 5/16 inch heater hose.

Common Applications and Problem Resolution

• Replacement of cracked or leaking heater hoses in HVAC systems
• Restoring proper coolant flow to the heater core for effective cabin heating
• Addressing hose swelling or softening due to age or chemical exposure
• Preventing coolant leaks that can lead to engine overheating
• Ensuring compliance with OEM specifications for HVAC hose replacements

Installation Notes and Tips

• Verify hose inside diameter matches vehicle specifications (5/16 inch)
• Inspect hose routing to avoid kinks or sharp bends during installation
• Use appropriate clamps to secure hose ends firmly
• Ensure the hose length and trunk height (4 1/4 inches) fit the vehicle’s heater core connections
• Check for compatibility with vehicle makes and models requiring SAE J20R3 Class D-1 hoses

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86811 to meet rigorous SAE standards, ensuring durability and performance in automotive HVAC systems. The EPDM material resists heat, ozone, and coolant chemicals, contributing to long service life. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand’s commitment to automotive part reliability.