Dayco 88457 Small I.D. Molded Heater Hose

The Dayco 88457 is a precision-engineered small inner diameter molded heater hose designed to replace OEM coolant hoses in applications requiring specific molded configurations. This direct-fit hose features the same bends and routing as the original equipment assembly, ensuring precise fitment in the engine bay.

Key Features:

• EPDM synthetic rubber construction for superior resistance to coolants, temperature extremes, and harsh environmental conditions
• Knitted polyester reinforcement provides high burst strength and resists degradation from moisture and temperature fluctuations
• Single molded configuration eliminates the need for multiple hose connections and clamps
• Protective sleeve on contact areas guards against abrasion and heat damage
• Temperature range: -40°F to +257°F (-40°C to +125°C)
• Meets SAE J20R4 Class D1 and SAE J1684 Type EC electrochemical degradation specifications

Dayco molded heater hoses are engineered to deliver reliable, long-lasting performance in automotive cooling systems. The electrochemical-resistant compound protects against the corrosive effects of modern extended-life coolants and additives, while the precision molding ensures leak-free operation.