Dayco 87835 HVAC Heater Hose - Engine To Tee

Overview of Dayco Small I.D. Heater Hose 87835

The Dayco Small I.D. Heater Hose 87835 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 high-quality EPDM for heat and chemical resistance
• Black color for standard OEM appearance
• 5/8 inch inside diameter on both ends for precise fit
• Single inside diameter hose type for streamlined installation
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Oldsmobile Montana and Pontiac Silhouette models
• Trunk height dimension of 5 inches for proper routing

Detailed Product Description

This Dayco Small I.D. Heater Hose 87835 is manufactured from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and automotive chemicals. The hose features a consistent 5/8 inch inside diameter on both ends, making it suitable for HVAC heater core connections in the Oldsmobile Montana and Pontiac Silhouette. It is a single inside diameter hose, simplifying installation and ensuring a secure fit without the need for adapters or reducers.

The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, which define performance requirements for coolant and heater hoses in automotive applications. This ensures the hose can withstand the pressures and temperatures typical of vehicle heating systems. The black color matches OEM specifications, maintaining the original look under the hood.

Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose line focuses on providing precise diameter hoses tailored for HVAC systems requiring smaller inside diameters. This product line is engineered to meet strict SAE specifications, ensuring compatibility and durability in heating and cooling applications. The 87835 part number is part of this line, offering a reliable replacement option for specific Oldsmobile and Pontiac models.

Applications and Common Issues Addressed

• Replacement of cracked or leaking heater hoses in Oldsmobile Montana HVAC systems
• Resolving coolant leaks causing insufficient cabin heating in Pontiac Silhouette vehicles
• Addressing hose degradation due to heat and chemical exposure over time
• Fixing improper hose fitment issues with OEM-sized 5/8 inch diameter hoses
• Preventing HVAC system overheating caused by compromised heater hoses

Installation Notes and Tips

• Ensure the engine is cool before removing the old heater hose to avoid burns
• Verify the 5/8 inch inside diameter matches the vehicle’s heater core and fittings
• Inspect hose clamps and replace if corroded or damaged for a secure seal
• Route the hose carefully to avoid kinks or contact with moving parts
• Test the HVAC system after installation for leaks and proper heat delivery

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87835 to meet SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support durability and fitment. Using this hose helps maintain the integrity of the HVAC system in compatible Oldsmobile Montana and Pontiac Silhouette vehicles.