Dayco 87842 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 87842

The Dayco Small I.D. Heater Hose 87842 is designed for reliable HVAC system performance in select Chevrolet, GMC, Honda, Hummer, Isuzu, and Subaru vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow for your vehicle's heating system.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with 5/8 inch inside diameter on both ends
• Outside diameter measures 15/16 inch on both ends for secure fitment
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type without heat shield or protective sleeve
• Trunk height of 5 1/2 inches for proper routing and installation

Detailed Product Description

The Dayco Small I.D. Heater Hose 87842 is part of the Small I.D. Heater Hose product line, which focuses on providing precise fit and durability for HVAC heater hose applications. This hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for the demanding environment of vehicle heating systems. Both ends of the hose have a consistent 5/8 inch inside diameter and 15/16 inch outside diameter, ensuring compatibility with OEM fittings and secure connections. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive HVAC use without additional heat shields or protective sleeves.

Compatible Vehicles and Applications

This heater hose is compatible with a range of vehicles, including Chevrolet models like the Colorado and Canyon, GMC Canyon and Sierra, Honda Odyssey and Pilot, Hummer H3, Isuzu i-370 and Trooper, as well as Subaru Forester, Impreza, Legacy, Baja, and Outback. The Dayco 87842 heater hose is designed to replace worn or damaged heater hoses in these models, restoring proper coolant flow and heating system function.

• Heater hose leaks or cracks causing coolant loss
• Reduced heating efficiency inside the vehicle cabin
• Swollen or hardened hose sections affecting coolant flow
• Preventative maintenance to avoid HVAC system failure
• Replacement of OEM hoses that do not meet current specifications

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87842, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose dimensions match the OEM specifications for your specific make and model. Use proper clamps to secure the hose ends and check for leaks after installation. Avoid twisting or stretching the hose during installation to maintain integrity and fitment.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87842 to meet stringent SAE standards, ensuring durability and performance in automotive HVAC systems. 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 replacement parts.