Dayco 86812 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 86812

The Dayco Small I.D. Heater Hose 86812 is designed for reliable HVAC system performance in various vehicle models including Acura, Ford, Honda, Kia, Mazda, Oldsmobile, and Saturn. This hose ensures proper coolant flow within the heating system, maintaining cabin comfort and engine efficiency.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color for standard OEM appearance
• Consistent 1/4 inch inside diameter on both ends for precise fit
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type for straightforward installation
• Trunk height of 7 inches for compact routing

Detailed Product Description

The Dayco Small I.D. Heater Hose 86812 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This black hose features a uniform 1/4 inch inside diameter on both ends, ensuring compatibility with HVAC systems requiring a small internal diameter hose. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling applications. The hose does not include a heat shield or protective sleeve, making it ideal for installations where additional external protection is not necessary. Its 7-inch trunk height allows for efficient routing within the engine bay or HVAC system.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on providing precise diameter hoses tailored for HVAC systems requiring smaller internal diameters. This product line emphasizes material quality and adherence to SAE specifications, ensuring compatibility and durability across multiple vehicle makes and models. The 86812 part is a representative component within this line, designed to meet specific OEM requirements for heater hose applications.

Compatible Vehicles and Common Applications

• Acura models such as RL and TL
• Ford models including Probe and L-series trucks (L100, L200, L300)
• Honda Accord, Prelude, and MX-6
• Kia Sephia
• Mazda 626
• Oldsmobile Aurora and Intrigue
• Saturn LS, LS1, LW1, and LW200

Typical Issues Addressed by Dayco 86812 Heater Hose

• Heater hose leaks causing coolant loss and reduced heating efficiency
• Cracked or brittle hoses due to age or heat exposure
• Incorrect hose diameter leading to poor fit and coolant flow issues
• Failure to meet SAE specifications resulting in premature hose failure
• Replacement of worn or damaged HVAC heater hoses in compatible Acura, Ford, Honda, Kia, Mazda, Oldsmobile, and Saturn vehicles

Installation Notes and Tips

• Verify hose inside diameter matches OEM specifications (1/4 inch for both ends)
• Inspect surrounding components for wear or damage before installation
• Ensure proper routing to avoid kinks or contact with hot engine parts
• Use appropriate clamps to secure hose ends firmly
• Check for leaks after installation by running the engine and heating system

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86812 to meet stringent SAE standards, ensuring reliable performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain durability and compliance with industry specifications.