Dayco 71288 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71288

The Dayco Curved Radiator Hose 71288 is designed specifically for Chevrolet and GMC trucks, including the S10, S10 Blazer, S15, S15 Jimmy, and Sonoma models. This radiator coolant hose features a dual inside diameter design to ensure a precise fit and reliable coolant flow in your vehicle's cooling system.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameters: 1 1/4 inch and 1 1/2 inch for secure connections
• Black color for standard OEM appearance
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 20 1/2 inches for proper routing in engine bay

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on delivering hoses that match the original equipment specifications for curvature and diameter. This ensures proper coolant flow and fitment without the need for modifications. The 71288 part number is part of this line, providing a reliable replacement hose engineered to meet the demands of Chevrolet and GMC truck cooling systems.

Technical Description and Attributes

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. The dual inside diameter design (1 1/4 inch on one end and 1 1/2 inch on the other) allows it to connect different sized fittings securely. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator hose. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it complies with industry requirements for coolant hoses.

Compatible Vehicles and Applications

• Chevrolet S10
• Chevrolet S10 Blazer
• Chevrolet S15
• GMC S15 Jimmy
• GMC Sonoma

This hose is intended for use in the cooling system to maintain proper engine temperature by facilitating coolant flow between the radiator and engine.

Common Issues Addressed by Dayco Radiator Hose 71288

• Replacement of cracked or leaking radiator hoses
• Resolving coolant leaks due to hose deterioration
• Fixing improper coolant flow caused by damaged or misshaped hoses
• Preventing overheating by ensuring secure hose connections
• Maintaining OEM fitment for proper engine bay routing

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid burns from hot coolant. Inspect hose clamps and replace if necessary to secure the new hose properly. Verify the hose routing matches the original to prevent kinks or interference with other engine components. The dual inside diameter ends require matching to the correct fittings on the vehicle to ensure a leak-free connection.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71288 to meet 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 applications.