Dayco 72071 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 72071

The Dayco Curved Radiator Hose 72071 is designed for reliable cooling system performance in Chevrolet and Toyota vehicles, specifically the Corolla and Prizm models. Engineered with durable EPDM material and a dual inside diameter design, this radiator coolant hose ensures a secure fit and efficient coolant flow.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a protective sleeve for added durability
• Dual inside diameter hose: 1 1/4 inch and 1 5/16 inch ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 15 inches for precise fitment
• Compatible with Chevrolet and Toyota Corolla and Prizm models

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate varying radiator and engine connections. This product line emphasizes durability and fitment accuracy, making it suitable for vehicles requiring precise hose dimensions and protective features such as sleeves. The 72071 part number is a representative model within this line, offering a balance of flexibility and strength for effective coolant system operation.

Technical Description and Attributes

The Dayco 72071 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 5/16 inches, allowing it to connect different sized fittings securely. It includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. The hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. With a trunk height of 15 inches, it fits the cooling system layout of Chevrolet and Toyota Corolla and Prizm vehicles accurately.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Corolla and Toyota Prizm
• Resolving coolant leaks caused by hose degradation or improper fit
• Addressing overheating issues due to compromised coolant flow
• Upgrading to a hose with protective sleeve for enhanced durability
• Ensuring proper coolant system pressure and flow with correct hose dimensions

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72071, ensure the hose ends match the radiator and engine fittings by verifying the dual inside diameters. Inspect the protective sleeve for any damage before installation. Use appropriate clamps to secure the hose ends firmly, preventing leaks. It is recommended to drain the coolant system before removal and refill with fresh coolant after installation. Check for any signs of wear or damage on adjacent components during replacement.

Quality Assurance and Warranty

Dayco manufactures the 72071 radiator coolant hose to meet SAE specifications, ensuring consistent quality and performance. The EPDM material and protective sleeve contribute to the hose's durability under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry standards for reliability and are subject to quality control processes.