Dayco 70354 Radiator Coolant Hose - Lower or Lower - Oil Cooler To Radiator

Durable Radiator Coolant Hose for Cadillac and Chevrolet Vehicles

The Dayco Curved Radiator Hose 70354 is engineered to provide reliable coolant flow for select Cadillac and Chevrolet models. Designed with EPDM material, this black single inside diameter hose ensures consistent performance under typical engine cooling conditions.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• 1 3/4 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 14 1/2 inches for proper routing in engine bay
• Compatible with multiple Cadillac and Chevrolet models including Blazer, C10 Suburban, and DeVille

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system layouts. This product line emphasizes material quality and adherence to SAE standards, ensuring hoses like the 70354 maintain coolant integrity and resist degradation over time.

Product Details and Specifications

The Dayco 70354 radiator coolant hose is made 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 3/4 inches, making it a single inside diameter hose suitable for consistent coolant flow. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator hose. Its trunk height measures 14 1/2 inches, allowing it to fit correctly within the engine bay of compatible vehicles.

Compatible Vehicles and Common Applications

• Cadillac DeVille and Eldorado models requiring a curved radiator hose
• Chevrolet Blazer and K10/K20 Suburban trucks needing reliable coolant hose replacement
• Chevrolet C10 and C20 Suburban models with specific radiator hose routing
• Commercial chassis vehicles from Chevrolet requiring durable cooling system components

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Verify the hose routing matches the original to avoid kinks or interference with other engine components. Use appropriate clamps to secure the hose ends firmly, and inspect for leaks after installation. The Dayco 70354 hose is designed for direct replacement on compatible Cadillac and Chevrolet models listed.

Quality Assurance and Standards Compliance

This radiator coolant hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive cooling systems. Manufactured by Dayco, a recognized brand in automotive parts, the 70354 hose is built to maintain performance and durability under normal operating conditions. Warranty details should be confirmed with the parts provider.