Dayco 72889 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72889

The Dayco Curved Radiator Hose 72889 is designed specifically for Chevrolet Impala and Impala Limited models. Constructed from durable EPDM material, this black radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 9/32 inches
• End 1 and End 2 Outside Diameter: 1 21/32 inches
• Contains protective sleeve for added durability
• Hose Type: Single inside diameter hose
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height: 18 1/2 inches

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to fit specific vehicle cooling systems. This product line is engineered to maintain coolant flow efficiency while accommodating the spatial constraints within engine compartments. The 72889 part number is part of this line, offering a tailored fit for Chevrolet Impala and Impala Limited models.

Detailed Product Description

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. The hose features a protective sleeve that helps guard against abrasion and external damage, extending the hose's service life. Both ends have an inside diameter of 1 9/32 inches and an outside diameter of 1 21/32 inches, ensuring a secure connection to the radiator and engine fittings. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant applications in Chevrolet vehicles.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Impala and Impala Limited
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant flow to avoid engine overheating
• Addressing hose swelling or softening due to heat exposure
• Ensuring compatibility with factory cooling system specifications

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72889, ensure the hose is properly seated on the radiator and engine fittings to prevent leaks. The protective sleeve should be positioned to face areas prone to abrasion. Verify that the hose routing matches the original configuration to avoid kinks or undue stress. Use appropriate clamps tightened to manufacturer specifications for secure attachment.

Quality Assurance

Dayco manufactures the Curved Radiator Hose 72889 to meet stringent SAE standards, ensuring reliable performance in Chevrolet Impala and Impala Limited vehicles. The use of EPDM material and protective sleeve enhances durability and resistance to common coolant system stresses. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls for automotive replacement parts.