Dayco 70956 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 70956

The Dayco Curved Radiator Hose 70956 is designed to provide reliable coolant flow for select Buick, Chevrolet, 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 material for heat and chemical resistance
• Black single inside diameter hose with 1 1/2 inch diameter on both ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Curved design tailored for specific radiator coolant routing
• Compatible with multiple classic vehicle models including Caprice, Impala, and LeSabre

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to fit specific radiator coolant pathways. This product line addresses the need for hoses that maintain proper coolant flow without kinking or collapsing, ensuring optimal engine cooling. The 70956 part number is part of this line, offering a single inside diameter hose designed for select GM vehicles.

Detailed Product Description

This radiator coolant hose features a 1 1/2 inch inside diameter on both ends, making it suitable for radiator connections requiring consistent hose sizing. The EPDM construction offers resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The hose does not include a heat shield or protective sleeve, focusing on a straightforward, durable design. With a trunk height of 23, it fits the coolant routing requirements of various Buick, Chevrolet, Oldsmobile, and Pontiac models such as the Caprice, Custom Cruiser, Delta 88, Impala, Laurentian, LeSabre, and Parisienne.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Buick Caprice and Chevrolet Impala
• Resolving coolant leaks caused by hose deterioration in Oldsmobile Delta 88
• Maintaining proper coolant flow in Pontiac LeSabre and Parisienne cooling systems
• Preventing overheating issues related to compromised radiator hoses
• Ensuring compatibility with factory coolant hose routing for select GM vehicles

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70956, ensure the hose is properly seated on radiator and engine fittings to prevent leaks. Use appropriate clamps rated for coolant hoses and verify that the hose routing matches the original configuration to avoid kinks or interference with other engine components. Inspect surrounding components for wear during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70956 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material and construction provide durability under typical operating conditions. Warranty details should be confirmed with the original equipment provider or distributor.