Dayco 70724 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 70724

The Dayco Curved Radiator Hose 70724 is designed for reliable coolant flow in select Buick, Chevrolet, and Pontiac vehicles. Engineered with durable EPDM material, this black radiator coolant hose ensures consistent performance in critical cooling system applications.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color with a curved design for precise fitment
• 1 1/2 inch inside diameter on both ends for uniform coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 23 1/4 inches for proper routing in engine bays
• Single inside diameter hose type for straightforward installation

Detailed Product Description

This Dayco Curved Radiator Hose 70724 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The hose features a consistent 1 1/2 inch inside diameter on both ends, facilitating smooth coolant circulation without restriction. Its black color and curved shape are designed to match the original equipment specifications for select Buick, Chevrolet, and Pontiac models, including the Bel Air, Camaro, Caprice, Century, El Camino, Impala, LeMans, Malibu, Monte Carlo, Nova, and Regal.

The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses. Notably, this hose does not include a heat shield or protective sleeve, which is consistent with many original equipment designs.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses that replicate the original equipment's shape and dimensions for precise fitment. This product line emphasizes durability and compliance with SAE specifications, providing a reliable replacement option for radiator coolant hoses in various classic and modern vehicles. The 70724 part is a representative example, offering a curved design tailored to specific GM models.

Common Applications and Issues Addressed

• Replacement of cracked or leaking radiator coolant hoses
• Restoration of proper coolant flow in Buick, Chevrolet, and Pontiac cooling systems
• Addressing hose swelling or softening due to heat exposure
• Resolving coolant leaks caused by hose deterioration
• Maintaining engine temperature regulation by ensuring hose integrity

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Ensure both hose ends are securely clamped to prevent leaks
• Inspect surrounding components for wear or damage during replacement
• Replace coolant and bleed the system after hose installation to avoid air pockets
• Use proper tools to avoid damaging the hose or fittings during installation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70724 to meet SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand’s commitment to durability and reliability in automotive cooling components.