Dayco 86825 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 86825

The Dayco Small I.D. Heater Hose 86825 is designed to provide reliable performance in HVAC systems for select Buick, Cadillac, Mitsubishi, Nissan, Oldsmobile, Pontiac, and Saturn vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow in your vehicle's heating system.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color for easy identification and compatibility
• End 1 and End 2 inside diameter: 23/64 inches
• End 1 and End 2 outside diameter: 5/8 inches
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type for precise fitment
• Trunk height of 5 inches for installation clearance

About the Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose product line focuses on providing hoses with smaller inside diameters tailored for specific HVAC applications. This line is engineered to meet stringent SAE standards, ensuring compatibility and durability in heating systems. The 86825 hose exemplifies this line by offering a precise fit and material composition suitable for various vehicle models requiring a 23/64 inch inside diameter hose.

Detailed Product Description

The Dayco 86825 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a consistent 23/64 inch inside diameter on both ends, with an outside diameter of 5/8 inches, making it suitable for HVAC systems that demand precise hose dimensions. It does not include a heat shield or protective sleeve, which is typical for this hose type and application. Compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards ensures the hose meets industry requirements for durability and performance in heating and cooling systems.

Compatible Vehicles and Applications

• Buick models including Rendezvous and others
• Cadillac DeVille, Eldorado, Seville
• Mitsubishi Eclipse, Galant
• Nissan Altima
• Oldsmobile Aurora
• Pontiac Aztek, VUE
• Saturn Vue

This hose is designed specifically for HVAC heater hose replacement in these vehicles, ensuring proper fit and function within the heating system.

Common Issues Addressed by Dayco 86825 Heater Hose

• Leaking or cracked heater hoses causing coolant loss
• Reduced heating efficiency due to hose deterioration
• Swelling or softening of hoses from heat exposure
• Incorrect hose diameter leading to poor fit and leaks
• Replacement of worn or damaged OEM heater hoses

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 86825, ensure the hose is routed correctly to avoid kinks or sharp bends that could restrict coolant flow. Verify that the inside diameter matches the vehicle’s heater core and fitting specifications. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect surrounding components for wear or damage during installation to maintain system integrity.

Quality Assurance and Warranty

Dayco manufactures the 86825 heater hose to meet SAE specifications, ensuring consistent quality and performance. The EPDM material provides resistance to heat and automotive fluids, contributing to long service life. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support reliability in automotive HVAC applications.