Dayco 86837 HVAC Heater Hose

The Dayco 86837 is a premium HVAC heater hose designed to deliver reliable coolant flow between your vehicle's engine and heater core. Manufactured by Dayco, a trusted leader in automotive fluid transfer systems, this heater hose is engineered to withstand the demanding temperatures and pressures of modern heating and cooling systems.

Key Features:

• High-quality EPDM rubber construction resists heat, coolant, and ozone degradation
• Reinforced design ensures durability and prevents collapse under vacuum
• Precision-molded to OEM specifications for proper fit and routing
• Resistant to electrochemical degradation (ECD) for extended service life
• Maintains flexibility across a wide temperature range

Dayco heater hoses are designed to meet or exceed OEM performance standards, ensuring optimal heat transfer to your vehicle's cabin heating system. The 86837 hose provides a direct replacement solution that restores your HVAC system's efficiency and reliability.