Dayco 87979 Molded HVAC Heater Hose

The Dayco 87979 is a molded HVAC heater hose engineered with knitted reinforcement and EPDM (ethylene propylene diene monomer rubber) construction for maximum durability and resistance to harsh operating conditions. This OE replacement hose is manufactured to meet the highest standards required for OEM hose replacements, making it an ideal solution for replacing cracked, spongy, worn out, or damaged heater hoses.

Key Features:

• Knitted rayon reinforced inner base tube provides maximum strength and burst resistance for the life of the hose
• EPDM construction resists oil, mud, salt, road debris, ozone, and coolants
• Withstands extreme temperature variations from -40°F to +257°F
• Direct OEM replacement designed specific to vehicle make and model
• Single I.D. hose type for precise fitment

Automotive cooling system hoses should be checked regularly and replaced at the first signs of wear to maintain proper HVAC system function. This molded heater hose is designed to carry heated coolant between engine components and the heater core assembly, ensuring reliable climate control performance.