Dayco 72131 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72131

The Dayco Curved Radiator Hose 72131 is designed specifically for select Saturn models, including the L100, L200, L300, LS, LS1, LW1, and LW200. This radiator coolant hose is engineered to meet SAE specifications, ensuring reliable performance in your vehicle's cooling system.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 5/16 inches on both ends for consistent flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Single inside diameter hose type without heat shield or protective sleeve
• Trunk height of 12 inches for proper routing in engine bay

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dimensions to match OEM configurations. This ensures a secure and leak-free connection within the cooling system. The 72131 part number is part of this line, offering a tailored fit for various Saturn vehicles, maintaining proper coolant flow and system integrity.

Technical Description and Compatibility

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, which helps extend the hose's service life. Both ends have an inside diameter of 1 5/16 inches, making it a single i.d. hose suitable for the cooling system requirements of Saturn L100, L200, L300, LS, LS1, LW1, and LW200 models. The hose does not include a heat shield or protective sleeve, which is consistent with many OEM radiator hose designs. Compliance with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications confirms its suitability for automotive coolant applications.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Saturn L-series and LW-series vehicles
• Prevention of coolant leaks caused by hose degradation or swelling
• Restoration of proper coolant flow to avoid engine overheating
• Addressing hose collapse or blockage issues affecting cooling efficiency
• Maintaining system pressure integrity in the radiator circuit

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Inspect hose clamps and replace if corroded or damaged. Verify the hose routing matches the original configuration to avoid kinks or interference with other engine components. Lubricate hose ends with a small amount of coolant or water to ease installation. After installation, check for leaks and proper coolant circulation during engine warm-up.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72131 to meet industry SAE standards, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to support reliable automotive performance.