Dayco 70799 Engine Coolant Bypass Hose

Overview of Dayco Curved Radiator Hose 70799

The Dayco Curved Radiator Hose 70799 is designed for reliable engine coolant bypass in select Ford vehicles. Engineered from durable EPDM material, this black hose ensures consistent performance in cooling systems for models like the Ford Bronco, F-150, and E-250 Econoline.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 3/4 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with multiple Ford models including Bronco, Ranger, and Econoline series
• Trunk height of 5 inches for precise fitment

Detailed Product Description

This Dayco Curved Radiator Hose 70799 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends have a 3/4 inch inside diameter, making it suitable for specific coolant bypass applications. The hose does not include a heat shield or protective sleeve, focusing on straightforward, reliable function within the cooling system. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

The Curved Radiator Hose product line by Dayco is designed to provide precise fit and durability for radiator and coolant system applications. This line focuses on hoses that maintain coolant flow efficiency while withstanding the thermal and mechanical stresses typical in engine compartments. The 70799 part is a key component for maintaining proper coolant circulation in Ford trucks and vans.

Compatible Vehicles and Applications

• Ford Bronco and Bronco II
• Ford E-100, E-150, E-250, and E-350 Econoline and Club Wagon models
• Ford F-150, F-250, and F-350 trucks
• Ford Ranger pickups

This hose is primarily used as an engine coolant bypass hose, helping to regulate coolant flow and maintain optimal engine temperature.

Common Issues Addressed by This Hose

• Coolant leaks due to cracked or worn hoses
• Overheating caused by restricted coolant flow
• Hose failure from heat and chemical degradation
• Improper fitment leading to coolant system inefficiency
• Replacement of aged or damaged bypass hoses in Ford trucks and vans

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose
• Check hose clamps and replace if corroded or damaged
• Verify the 3/4 inch inside diameter fit on both ends for proper sealing
• Inspect surrounding components for wear or damage during installation
• Use appropriate coolant compatible with EPDM hoses

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70799 to meet SAE specifications, ensuring durability and performance in demanding automotive environments. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Proper installation and maintenance will help maximize the service life of this engine coolant bypass hose.