Dayco 87690 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 87690

The Dayco Small I.D. Heater Hose 87690 is designed for reliable HVAC system performance in select Chevrolet, Geo, Pontiac, and Toyota vehicles. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

• Constructed from EPDM for heat and chemical resistance
• Black single inside diameter hose with 5/8 inch ID on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height dimension of 13 inches for precise fitment
• Compatible with Chevrolet Nova, Geo Prizm, Pontiac Fiero, and Toyota Corolla models

Dayco Small I.D. Heater Hose Product Line Details

The Small I.D. Heater Hose line by Dayco focuses on providing single inside diameter hoses tailored for HVAC applications. This product line emphasizes compliance with SAE standards to ensure durability and proper fitment in various vehicle models. The 87690 part number is part of this line, offering a reliable replacement hose option for heating systems requiring a 5/8 inch inside diameter hose.

Technical Description and Specifications

This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core connections. Both ends of the hose have a 5/8 inch inside diameter, ensuring compatibility with corresponding fittings. The hose does not include a heat shield or protective sleeve, which is typical for this type of single I.D. hose. It meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling systems. The trunk height of 13 inches allows for proper routing within the engine bay or HVAC system.

Compatible Vehicles and Common Applications

• Replacement heater hose for Chevrolet Nova models
• Heater hose for Geo Prizm HVAC systems
• Suitable for Pontiac Fiero heating system repairs
• Fits Toyota Corolla models requiring a 5/8 inch heater hose

Installation Notes and Tips

• Verify hose length and diameter before installation to ensure proper fit
• Inspect existing hose connections for corrosion or damage prior to replacement
• Use appropriate clamps to secure the hose ends firmly
• Ensure the hose is routed without kinks or sharp bends to maintain flow

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87690 to meet industry SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to strict quality control standards to support reliable HVAC system operation in compatible Chevrolet, Geo, Pontiac, and Toyota vehicles.