Dayco 88406 HVAC Heater Hose - Heater Inlet

Overview of Dayco Small I.D. Heater Hose 88406

The Dayco Small I.D. Heater Hose 88406 is designed for reliable HVAC system performance in select Oldsmobile and Pontiac 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 color for standard OEM appearance
• Single inside diameter hose with 23/32 inch ends
• Includes protective sleeve for added durability
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Oldsmobile Montana, Pontiac Silhouette, and Pontiac Trans Sport models

Detailed Product Description

The Dayco Small I.D. Heater Hose 88406 is a single inside diameter hose measuring 23/32 inches at both ends, designed specifically for HVAC heater systems. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for prolonged use in vehicle heating systems. The hose is black in color and includes a protective sleeve to guard against abrasion and environmental damage, although it does not contain a heat shield. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line from Dayco focuses on providing precise fitment and reliable performance for HVAC systems requiring smaller diameter hoses. This product line emphasizes durability and compliance with SAE specifications, making it suitable for vehicles like the Oldsmobile Montana and Pontiac Silhouette and Trans Sport. The 88406 part number is a representative example, offering a balance of material quality and protective features such as the included sleeve.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in HVAC systems
• Prevention of coolant leaks affecting cabin heating performance
• Restoration of proper coolant flow in Oldsmobile Montana and Pontiac Silhouette HVAC units
• Mitigation of hose abrasion damage due to engine compartment movement
• Ensuring compliance with OEM specifications for heater hose replacements

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 88406, ensure the hose ends are securely clamped to prevent leaks. Inspect the surrounding area for any sharp edges or components that could abrade the protective sleeve. It is recommended to replace hoses in pairs or as part of a scheduled maintenance to maintain consistent HVAC system performance. Verify compatibility with your specific Oldsmobile Montana or Pontiac model year before installation.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 88406 to meet SAE standards, ensuring durability and performance in automotive HVAC applications. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to reliable automotive components.