Dayco 71388 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71388

The Dayco Curved Radiator Hose 71388 is designed specifically for Chevrolet G20 and G30 models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures long-lasting performance under demanding conditions.

• Made from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 3/4 inches on both ends for consistent coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type with a trunk height of 24 1/2 inches

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and shapes to match OEM configurations, ensuring proper routing and fitment in cooling systems. This product line is engineered to maintain coolant system integrity while accommodating the unique spatial requirements of various vehicle models, including the Chevrolet G20 and G30.

Product Description and Specifications

The Dayco 71388 radiator coolant hose is a single inside diameter hose with both ends measuring 1 3/4 inches, designed to maintain consistent coolant flow. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, which is critical for maintaining engine cooling efficiency. The hose does not include a heat shield or protective sleeve, reflecting its intended use in areas with standard temperature exposure. Compliance with SAE J20R4 Class D-1 and SAE J1684 Type EC standards ensures the hose meets industry requirements for durability and performance.

Compatible Vehicles and Common Applications

• Replacement radiator coolant hose for Chevrolet G20 vans
• Suitable for Chevrolet G30 models requiring a curved radiator hose
• Addresses issues such as coolant leaks, hose cracking, and overheating
• Ideal for restoring proper coolant circulation in aging cooling systems
• Helps prevent engine damage caused by coolant system failures

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71388, ensure the hose is routed according to the vehicle’s OEM specifications to avoid kinks or interference with other engine components. Verify that both ends with 1 3/4 inch inside diameter fit securely onto the radiator and engine fittings. Inspect clamps and connections for tightness to prevent leaks. It is recommended to replace any worn or damaged clamps during installation for optimal sealing.

Quality Assurance and Warranty

Dayco manufactures the 71388 radiator coolant hose to meet strict SAE standards, ensuring reliable performance in Chevrolet G20 and G30 vehicles. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand’s commitment to durability and fitment accuracy.