Dayco 71949 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71949

The Dayco Curved Radiator Hose 71949 is designed for reliable coolant flow in select Buick, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 1 1/4 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 15 inches for precise fitment
• Compatible with Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, Rendezvous, and Trans Sport models

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 proper coolant routing and fitment without modification. The 71949 part number represents a single inside diameter hose designed to maintain coolant system integrity in various GM vehicles.

Technical Description and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends have an inside diameter of 1 1/4 inches, making it suitable for radiator connections requiring this size. The hose does not include a heat shield or protective sleeve, which is typical for this type of curved radiator hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator hoses in Buick Aztek and Pontiac Montana
• Resolving coolant leaks caused by hose degradation in Oldsmobile Silhouette
• Maintaining proper coolant flow in Pontiac Rendezvous and Trans Sport cooling systems
• Preventing overheating due to compromised radiator hose integrity
• Ensuring OEM fitment and performance in curved radiator hose applications

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid injury from hot coolant. Inspect hose connections and clamps for corrosion or damage and replace if necessary. The 1 1/4 inch inside diameter ends should fit securely onto radiator and engine fittings. Properly tighten clamps to prevent leaks but avoid over-tightening which can damage the hose. Verify the hose routing matches OEM specifications to prevent kinks or interference with other engine components.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71949 to meet strict SAE standards, providing reliable performance in automotive cooling systems. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance. Using this hose helps maintain the integrity of the cooling system in compatible Buick, Oldsmobile, and Pontiac vehicles.