Dayco 71131 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71131

The Dayco Curved Radiator Hose 71131 is designed for reliable coolant flow in select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this dual inside diameter hose supports efficient engine cooling for models like the Camaro, Firebird, and Monte Carlo.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 1/2 inch and 1 3/4 inch ends for precise fitment
• Black color for standard OEM appearance
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 17 inches suitable for curved radiator hose applications

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on providing hoses with specific bends and dual inside diameters to accommodate complex radiator and engine configurations. This product line ensures compatibility with various vehicle cooling systems by adhering to strict SAE standards, making the 71131 hose a precise replacement part for multiple GM models.

Detailed Product Description

The Dayco 71131 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Its dual inside diameter design (1 1/2 inch on one end and 1 3/4 inch on the other) allows for a secure connection between different radiator and engine components. The hose’s black color matches OEM specifications, maintaining the vehicle’s original appearance. It does not include a heat shield or protective sleeve, which is typical for this type of curved radiator hose. The 17-inch trunk height supports proper routing in the engine bay, reducing stress and potential leaks.

Compatible Vehicles and Common Applications

• Buick models including Regal and Century
• Chevrolet models such as Camaro, Malibu, and El Camino
• GMC vehicles including Safari and Astro
• Oldsmobile models like Cutlass, Cutlass Calais, and Cutlass Supreme
• Pontiac models including Firebird, Grand Prix, and Grand LeMans

Installation Notes and Tips

• Ensure the hose ends match the radiator and engine inlet/outlet diameters (1 1/2 inch and 1 3/4 inch)
• Inspect clamps and surrounding components for wear before installation
• Properly route the hose to avoid kinks or contact with moving parts
• Use coolant-compatible lubricant on hose ends for easier installation
• Verify no heat shields or protective sleeves are required for your specific vehicle application

Quality Assurance and Warranty

Dayco manufactures the 71131 radiator hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry quality controls and are backed by the brand’s commitment to automotive replacement parts reliability.