Dayco 70973 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 70973

The Dayco Curved Radiator Hose 70973 is designed specifically for Pontiac Firebird models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures long-lasting performance under typical engine conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 Inside Diameter: 1 1/2 inches
• End 2 Inside Diameter: 1 1/2 inches
• Hose Type: Single inside diameter hose
• SAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC compliant
• Trunk Height: 23 inches
• Compatible with Pontiac Firebird models

Detailed Product Description

The Dayco Curved Radiator Hose 70973 is engineered to meet the cooling system requirements of Pontiac Firebird vehicles. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers resistance to heat, ozone, and coolant chemicals, which helps maintain integrity and flexibility over time. Both ends of the hose have an inside diameter of 1 1/2 inches, ensuring a secure fit with the radiator and engine connections. This single inside diameter hose is designed without additional heat shields or protective sleeves, making it a straightforward replacement part that meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards for coolant hoses.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dimensions to fit OEM cooling system layouts accurately. This product line is tailored to deliver precise fitment and reliable coolant flow for various vehicle applications, including the Pontiac Firebird. The 70973 part number represents a curved hose designed to maintain proper coolant circulation while accommodating the engine bay’s spatial constraints.

Common Applications and Problem Solving

• Replacement for cracked or leaking radiator coolant hoses
• Restores proper coolant flow to prevent engine overheating
• Addresses hose swelling or softening due to age or heat exposure
• Prevents coolant leaks that can cause engine damage
• Ensures compatibility with Pontiac Firebird cooling systems

Installation Notes and Tips

• Verify hose dimensions and fitment with your Pontiac Firebird before installation
• Inspect hose clamps and replace if worn or corroded
• Drain coolant system before removing the old hose to avoid spills
• Ensure hose ends are clean and free of debris before fitting
• Tighten clamps securely but avoid over-tightening to prevent hose damage

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70973 to meet SAE specifications, ensuring consistent quality and performance. The EPDM material and construction standards provide durability under normal operating conditions. Warranty details should be confirmed with the original equipment manufacturer or supplier, as they may vary by region or distributor.