Dayco 87658 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 87658

The Dayco Small I.D. Heater Hose 87658 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
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type for straightforward installation
• Trunk height of 12 inches suitable for multiple vehicle applications

Detailed Product Description

This Dayco Small I.D. Heater Hose 87658 is manufactured to meet strict 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 circuits. Both ends of the hose have a 5/8 inch inside diameter, providing a consistent and secure connection to heater cores 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 fitment and reliable performance for smaller diameter heater hoses used in a variety of vehicles. This line is engineered to meet or exceed industry standards, providing a dependable replacement option for HVAC heater hoses in compatible models.

Compatible Vehicles and Applications

• Compatible with Buick, Cadillac, Chevrolet, Dodge, Nissan, Oldsmobile, Pontiac, and Toyota vehicles
• Fits models including 4Runner, 810, Cavalier, Cimarron, Firenza, Malibu, Maxima, Pickup, Raider, Rendezvous, and Sunfire
• Ideal for replacing worn or damaged heater hoses in HVAC systems

Common Issues Addressed by This Heater Hose

• Heater core leaks due to cracked or brittle hoses
• Reduced heating efficiency from restricted or collapsed hoses
• Coolant leaks causing engine overheating or HVAC malfunction
• Hose deterioration from exposure to heat and chemicals
• Improper fitment leading to fluid loss or system failure

Installation Notes and Tips

• Ensure both hose ends match the 5/8 inch inside diameter fittings
• Inspect surrounding components for wear or damage during replacement
• Use proper clamps to secure hose connections and prevent leaks
• Verify hose routing matches OEM specifications to avoid kinks or interference
• Allow engine to cool before removing old hose to prevent burns

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87658 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring reliable performance and durability. 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 replacement parts standards.