Dayco 71394 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71394

The Dayco Curved Radiator Hose 71394 is designed to provide reliable coolant flow for Chevrolet and GMC trucks. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance for specific heavy-duty models.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 1/4 inch and 1 1/2 inch ends for precise fitment
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Compatible with Chevrolet and GMC C20, C20 Suburban, C30, C2500, C2500 Suburban, C3500, K30, and K3500 models

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with specific bends and dual inside diameters to accommodate complex radiator connections. This product line is engineered to meet stringent SAE standards, ensuring compatibility and durability in cooling systems for medium and heavy-duty trucks. The 71394 part exemplifies this with its tailored dimensions and material composition.

Detailed Product Description

The Dayco 71394 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 1/2 inches, allowing it to connect different sized fittings securely. It does not include a heat shield or protective sleeve, which is typical for this hose type and application. The trunk height of 20 inches provides adequate length for routing in the engine bay of compatible Chevrolet and GMC trucks.

Common Applications and Problem Solving

• Replacement for worn or cracked radiator coolant hoses in Chevrolet C20 and GMC C2500 trucks
• Addresses coolant leaks caused by hose degradation or improper fit
• Prevents overheating issues related to compromised coolant flow
• Restores proper coolant circulation in heavy-duty truck cooling systems
• Suitable for restoring OEM cooling system integrity in Chevrolet and GMC Suburban models

Installation Notes and Tips

• Ensure engine is cool before removing the old hose to avoid burns
• Check hose clamps and radiator fittings for corrosion or damage during installation
• Verify the correct orientation of the dual inside diameter ends for proper fit
• Inspect surrounding components for wear that may affect hose longevity
• Use recommended coolant types compatible with EPDM hoses

Quality Assurance and Warranty

Dayco manufactures the 71394 radiator hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain performance and durability in demanding automotive environments.