Dayco 87858 Small ID Molded Heater Hose

The Dayco 87858 is a precision-molded heater hose designed to replace OEM coolant hoses in applications requiring small inner diameter configurations. Engineered to match the exact bends and routing of the original equipment assembly, this hose ensures a precise fit for reliable coolant circulation to your vehicle's heating system.

Construction and Materials:

• Synthetic EPDM rubber construction for superior durability and chemical resistance
• Knitted rayon reinforcement provides maximum burst strength and prevents ballooning
• Resists oil, salt, mud, road debris, coolants, and environmental elements
• Temperature range of -40°F to +257°F (-40°C to +125°C)

Performance Standards:

• Meets SAE J20R3, Class D-1 requirements
• Designed to meet Type EC electro-chemical requirements per SAE J1684
• Quick connect end for fast, convenient installation where applicable
• Eliminates the need for multiple hose connections and additional clamps

This molded heater hose is specifically engineered for applications where small diameter coolant hoses are required, providing long-lasting, reliable service in demanding automotive environments. The one-piece molded design ensures proper coolant flow while reducing potential leak points compared to multi-piece assemblies.