The Genuine Dayco ECR Length D Code Automotive Radiator Hose 70776 A13 is a premium OEM replacement coolant hose engineered to provide reliable coolant circulation and long-lasting performance within the vehicle's cooling system. Designed as a molded curved radiator hose, it ensures proper fitment and coolant flow while helping maintain optimal engine operating temperatures.
Manufactured from high-quality EPDM synthetic rubber with reinforced knitted rayon construction, this hose is built to resist heat, ozone, coolant chemicals, oil contamination, road debris, and pressure-related wear. The molded design eliminates the need for excessive bending while ensuring dependable sealing and coolant transfer. Dayco ECR hoses meet SAE J20R4 Class D-1 and SAE J1684 Type EC requirements for durability and electrochemical resistance.
Ideal for replacing aged, cracked, or leaking radiator hoses, the Dayco 70776 helps restore cooling system efficiency, prevent coolant loss, and support reliable engine performance under a wide range of operating conditions.
Key Features
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Molded Curved Design: Engineered for proper routing and direct-fit installation.
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Electrochemical Resistant: Designed to help prevent internal hose deterioration.
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EPDM Rubber Material: Resists heat, ozone, coolant chemicals, and environmental damage.
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Reinforced Strength: Knitted rayon reinforcement enhances burst resistance and durability.
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Temperature Resistant: Performs reliably in extreme hot and cold operating conditions.
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Long Service Life: Built for dependable performance in demanding automotive environments.
- OEM Quality Construction: Manufactured to Dayco standards for dependable cooling system performance.
Specifications
- Brand: Dayco
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Length Code: D
- Part Number: 70776
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Type: Curved Radiator Hose
- Series: ECR Molded Radiator Hose
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Material: EPDM Synthetic Rubber
- Application: Engine Cooling System
- SAE Rating: J20R4 Class D-1 / J1684 Type EC