Dayco 71694 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71694

The Dayco Curved Radiator Hose 71694 is designed specifically for Chevrolet Lumina models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under typical operating conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 9/32 inches
• Hose Type: Single inside diameter hose
• Meets SAE specifications J20R4 Class D-1 and J1684 Type EC
• Trunk Height: 15 inches
• Compatible with Chevrolet Lumina models

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses shaped to fit specific radiator and engine configurations, reducing the need for modifications during installation. This product line emphasizes precise fitment and material quality, with the 71694 part designed to maintain coolant system integrity in Chevrolet Lumina vehicles.

Product Description and Specifications

The Dayco 71694 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 9/32 inches, ensuring a secure connection to the radiator and engine fittings. This single inside diameter hose does not include a heat shield or protective sleeve, which is typical for this application. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The hose length, indicated by a trunk height of 15 inches, matches the original equipment specifications for Chevrolet Lumina models requiring this part.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Lumina vehicles
• Restoring proper coolant flow to prevent engine overheating
• Addressing leaks caused by hose degradation or damage
• Maintaining system pressure and preventing coolant loss
• Ensuring compatibility with factory radiator and engine connections

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71694, ensure the engine is cool to avoid burns or pressure-related injuries. Verify that the hose diameter matches the radiator and engine fittings to prevent leaks. Use appropriate clamps to secure both ends firmly, and inspect surrounding components for wear or damage during replacement. Proper alignment of the curved hose will reduce stress and extend service life.

Quality Assurance and Warranty

Dayco manufactures the 71694 radiator coolant hose to meet established SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For precise warranty information, consult Dayco or authorized distributors.