Dayco 87673 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 87673

The Dayco Small I.D. Heater Hose 87673 is designed for reliable HVAC system performance in various vehicle models. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow for your heating system.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color for standard OEM appearance
• 5/8 inch inside diameter on both ends for uniform fit
• Single I.D. hose type for straightforward installation
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 10 inches for precise fitment

Detailed Product Description

This Dayco Small I.D. Heater Hose 87673 is manufactured to meet stringent SAE standards, ensuring compatibility and durability in automotive HVAC systems. The EPDM material offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for extended use in heating applications. Both ends of the hose have a 5/8 inch inside diameter, providing a consistent and secure connection to your vehicle’s heater core and related components. The hose’s black color matches OEM specifications, maintaining the original equipment look under the hood.

The Small I.D. Heater Hose product line from Dayco focuses on delivering precise fit and reliable performance for smaller diameter heater hoses used in a variety of vehicles. This line is engineered to meet or exceed OEM requirements, providing a dependable replacement option for HVAC heater hoses that require a 5/8 inch inside diameter.

Compatible Vehicles and Applications

• Compatible with Chevrolet, Dodge, Geo, Honda, Isuzu, Mitsubishi, Oldsmobile, Pontiac, and Toyota models
• Fits specific models including 4Runner, CR-V, I-Mark, Lumina APV, Mighty Max, Power Ram 50, Ram 50, Silhouette, Spectrum, Sunburst, Tacoma, and Trans Sport
• Ideal for HVAC heater hose replacement in these vehicles to maintain proper heating system function

Common Issues Addressed by Dayco 87673 Heater Hose

• Prevents coolant leaks caused by cracked or worn heater hoses
• Eliminates heater core overheating due to restricted coolant flow
• Resolves heater hose swelling or softening from heat exposure
• Replaces hoses that fail SAE specification compliance
• Restores proper HVAC system heating performance

Installation Notes and Tips

• Ensure the hose diameter matches the 5/8 inch inside diameter fittings on your vehicle
• Inspect hose clamps and replace if corroded or damaged during installation
• Route the hose carefully to avoid kinks or contact with sharp edges
• Verify no heat shield or protective sleeve is required as this hose does not include them
• Check for leaks after installation by running the engine and heating system

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87673 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring reliable performance and durability. The EPDM construction provides resistance to heat, ozone, and coolant chemicals, supporting long service life. Warranty information is subject to Dayco’s standard terms and conditions; please refer to official documentation for specific coverage details.