Dayco 86106 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 86106

The Dayco Small I.D. Heater Hose 86106 is designed for reliable HVAC system performance in select Buick, Chevrolet, Hyundai, Oldsmobile, and Pontiac vehicles. This dual inside diameter hose is engineered to meet specific fitment requirements for models such as the Azera, Century, Cutlass Ciera, Cutlass Cruiser, Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, Regal, and Sonata.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameters: 19/32 inch and 23/32 inch for precise fit
• Black color with protective sleeve for added durability
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 9 inches suitable for specific HVAC routing

Detailed Product Description

The Dayco Small I.D. Heater Hose 86106 is a dual inside diameter hose designed to replace original equipment in various Buick, Chevrolet, Hyundai, Oldsmobile, and Pontiac models. Made from EPDM, this hose offers resistance to heat, ozone, and coolant chemicals, ensuring long service life within the HVAC system. The hose features a black exterior and includes a protective sleeve to guard against abrasion and environmental damage. It does not contain a heat shield but meets stringent SAE standards (J20R3 Class D-1 and J1684 Type EC), confirming its suitability for heater hose applications. The hose’s trunk height of 9 inches allows for proper installation and routing in compatible vehicles.

Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on providing precise fitment and durability for HVAC systems requiring dual inside diameter hoses. This product line is engineered to meet OEM specifications and SAE standards, ensuring compatibility and reliable performance in a range of domestic and import vehicles. The 86106 part number is a representative example, offering a balance of material quality and design features tailored for specific Buick, Chevrolet, Hyundai, Oldsmobile, and Pontiac models.

Common Applications and Problem Solving

• Replacement of worn or cracked heater hoses causing coolant leaks
• Resolving HVAC system overheating due to restricted coolant flow
• Eliminating hose collapse or deformation under heat stress
• Preventing coolant contamination from hose material degradation
• Ensuring proper fitment in vehicles with dual inside diameter hose requirements

Installation Notes and Tips

• Verify hose diameters (19/32 inch and 23/32 inch) match vehicle specifications before installation
• Inspect surrounding components for wear or damage during replacement
• Ensure protective sleeve remains intact to prevent abrasion
• Use appropriate clamps to secure hose ends and prevent leaks
• Follow vehicle manufacturer guidelines for coolant system maintenance

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86106 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for heater hoses. The use of EPDM material provides resistance to heat and chemical exposure typical in automotive HVAC systems. While specific warranty details are not provided, Dayco products generally adhere to quality control processes to maintain reliability and fitment accuracy.