Dayco 87836 HVAC Heater Hose - Tee To Engine

Overview of Dayco Small I.D. Heater Hose 87836

The Dayco Small I.D. Heater Hose 87836 is designed specifically for HVAC systems in select Oldsmobile and Pontiac vehicles. Engineered with durable EPDM material, this hose ensures reliable performance in the heating and cooling system of your Montana or Silhouette.

• Constructed from high-quality EPDM for heat and ozone resistance
• Black single inside diameter hose with 5/8 inch ID on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 9 inches for precise fitment
• Compatible with Oldsmobile Montana and Pontiac Silhouette models

Details on the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on single inside diameter hoses designed for HVAC applications. These hoses are manufactured to meet strict SAE standards, ensuring they withstand the thermal and chemical demands of vehicle heating systems. The 87836 part number represents a hose optimized for specific GM minivan models, providing a direct replacement that maintains system integrity.

Technical Description and Specifications

This HVAC heater hose features a uniform 5/8 inch inside diameter on both ends, facilitating consistent coolant flow within the heating system. Made from EPDM, the hose offers resistance to heat, ozone, and coolant chemicals, which is critical for longevity in automotive HVAC environments. The hose does not include a heat shield or protective sleeve, reflecting its application in less exposed areas of the engine bay. Compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards confirms its suitability for OEM replacement.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in Oldsmobile Montana HVAC systems
• Resolving coolant leaks causing insufficient cabin heating in Pontiac Silhouette
• Addressing hose degradation due to heat and chemical exposure
• Preventing HVAC system overheating caused by restricted coolant flow
• Maintaining proper heater core function through reliable hose integrity

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify hose length and diameter match the original part to maintain system performance. Use appropriate clamps to secure the hose ends and check for leaks after installation. The absence of a heat shield or protective sleeve means careful routing away from high-heat components is recommended.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87836 to meet SAE specifications, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for replacement parts, offering reliable service life when installed correctly in compatible Oldsmobile Montana and Pontiac Silhouette vehicles.