Dayco 70704 Radiator Coolant Hose

Durable Curved Radiator Hose for Multiple Vehicle Makes

The Dayco Curved Radiator Hose 70704 is engineered to provide reliable coolant flow for a wide range of vehicles including Audi, Chevrolet, Ford, Hyundai, Toyota, and Volkswagen models. Constructed from EPDM material, this black single inside diameter hose ensures consistent performance under typical engine cooling system conditions.

• Made from durable EPDM rubber for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 15/16 inches on both ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 9 inches for proper routing in engine bays

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses designed to match specific engine configurations requiring a curved profile. This product line emphasizes dimensional accuracy and material quality to maintain coolant system integrity. The 70704 part number represents a single inside diameter hose without heat shields or protective sleeves, suitable for applications where a straightforward, reliable coolant hose is needed.

Product Details and Specifications

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. Both ends of the hose have an inside diameter of 1 15/16 inches, ensuring compatibility with corresponding radiator and engine fittings. The hose does not include a heat shield or protective sleeve, which is typical for many standard cooling system hoses. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

Compatible Vehicles and Common Applications

• Compatible with Audi 626 and A4 models
• Fits Chevrolet Camaro, Cobalt, Corvette, and HHR
• Suitable for Ford Five Hundred, Freestyle, and Focus
• Works with Hyundai Elantra and Tiburon
• Compatible with Toyota Corolla, MR2, and Camry
• Also fits Volkswagen Golf, Jetta, Passat, and Eos

Common Issues Addressed by This Radiator Hose

• Prevents coolant leaks caused by cracked or worn hoses
• Maintains proper coolant flow to avoid engine overheating
• Replaces hoses with incorrect diameter or shape for better fit
• Eliminates coolant contamination from deteriorated hose material
• Restores cooling system integrity after hose damage or failure

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Inspect hose clamps and replace if corroded or damaged. Verify the hose routing matches the original to prevent kinks or interference with other engine components. Lubricate hose ends with a small amount of coolant or water to ease installation. Tighten clamps securely but avoid over-tightening to prevent hose damage.

Quality Assurance and Warranty

Dayco radiator hoses are manufactured to meet strict SAE specifications, ensuring consistent quality and performance. The 70704 hose undergoes rigorous testing for durability and resistance to heat and chemicals. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship.