Dayco 86109 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 86109

The Dayco Small I.D. Heater Hose 86109 is designed for reliable HVAC system performance in select Cadillac, Chevrolet, Nissan, Pontiac, Saturn, and Suzuki vehicles. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 23/32 inch ID on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with multiple models including Cadillac DeVille, Chevrolet Malibu, Nissan Pathfinder, and more
• Trunk height dimension of 11 inches for precise fitment

Detailed Product Description

The Dayco Small I.D. Heater Hose 86109 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have an inside diameter of 23/32 inches, ensuring a secure and leak-free connection within the HVAC system. This hose does not include a heat shield or protective sleeve, making it suitable for applications where additional protection is not required. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for heater hose applications in passenger vehicles.

The Small I.D. Heater Hose product line by Dayco focuses on providing precise fitment and durability for smaller diameter heater hoses used in HVAC systems. This line is engineered to meet OEM specifications, offering a reliable replacement option for maintaining proper heating and cooling functions in vehicles.

Compatible Vehicles and Applications

This heater hose is compatible with a range of vehicles, including Cadillac DeVille, Eldorado, and Seville; Chevrolet Aura, G6, and Malibu; Nissan Frontier, Pathfinder, and Xterra; Pontiac G6; Saturn Vue; and Suzuki Equator. The part number 86109 ensures you receive the correct hose designed specifically for these models.

• Replacement for worn or cracked heater hoses causing coolant leaks
• Restores proper heater core function and cabin heating efficiency
• Prevents overheating issues related to faulty HVAC hose connections
• Addresses coolant loss due to hose degradation or damage

Installation Notes and Tips

• Verify hose inside diameter matches your vehicle’s specifications (23/32 inch)
• Inspect surrounding components for wear or damage before installation
• Ensure hose clamps are properly tightened to prevent leaks
• Replace hoses when coolant system is cool to avoid burns or injury
• Check for proper routing to avoid kinks or interference with moving parts

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86109 to meet stringent SAE standards, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation and customer satisfaction.