Dayco 70738 Radiator Coolant Hose - Lower - Pipe To Radiator or Upper

Overview of Dayco Curved Radiator Hose 70738

The Dayco Curved Radiator Hose 70738 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this dual inside diameter hose supports efficient heat resistance and flexibility for various vehicle applications.

• Made from high-quality EPDM material for heat and chemical resistance
• Dual inside diameter design: 2 inches on one end and 2 1/4 inches on the other
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 14 3/4 inches for precise fitment
• Does not include heat shield or protective sleeve

Detailed Product Description

The Dayco Curved Radiator Hose line focuses on delivering hoses engineered for durability and performance in cooling systems. The 70738 part number features a curved design with dual inside diameters, measuring 2 inches on one end and 2 1/4 inches on the other, allowing for versatile fitment in specific radiator connections. Manufactured from EPDM, this hose offers resistance to heat, ozone, and coolant chemicals, ensuring longevity under demanding engine conditions. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its compliance with industry requirements for coolant hoses. The black finish maintains a clean, OEM-style look under the hood.

Common Applications and Problem Solving

• Replacement for worn or cracked radiator coolant hoses in compatible vehicles
• Addresses coolant leaks caused by hose degradation or swelling
• Prevents overheating issues related to compromised coolant flow
• Suitable for vehicles requiring a dual inside diameter curved radiator hose
• Helps maintain proper engine temperature regulation by ensuring secure coolant circulation

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70738, ensure the hose is properly seated on radiator and engine fittings matching the 2 inch and 2 1/4 inch inside diameters. Inspect clamps and surrounding components for wear before installation. Avoid twisting or stretching the hose excessively to maintain its integrity. Since this hose does not include a heat shield or protective sleeve, verify clearance from high-heat engine parts to prevent premature wear.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70738 to meet strict SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive cooling systems.