Dayco 70730 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 70730

The Dayco Curved Radiator Hose 70730 is designed specifically for Chevrolet and Pontiac vehicles, including the Grand Prix and Monte Carlo models. This radiator coolant hose features a dual inside diameter design to ensure a precise fit and reliable coolant flow.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameters: 1 1/2 inch and 1 3/4 inch ends for proper fitment
• Black color for standard OEM appearance
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 22 inches for accurate routing
• Part number 70730 for easy identification and ordering

Detailed Product Description

The Dayco Curved Radiator Hose 70730 is engineered from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and coolant chemicals. This hose is designed as a dual inside diameter hose, with one end measuring 1 1/2 inches and the other 1 3/4 inches, allowing it to connect different sized fittings securely. The hose length, with a trunk height of 22 inches, ensures proper routing within the engine bay of compatible vehicles.

As part of Dayco's Curved Radiator Hose line, this product is tailored to provide a precise fit and reliable performance for specific vehicle applications. The Curved Radiator Hose line focuses on delivering hoses that match OEM specifications for shape and size, reducing installation time and improving coolant system efficiency.

Compatible Vehicles and Applications

• Chevrolet Grand Prix radiator coolant system replacement
• Pontiac Grand Prix cooling system maintenance
• Chevrolet Monte Carlo radiator hose repair
• Pontiac Monte Carlo coolant hose replacement

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose
• Check hose clamps and replace if worn or corroded
• Verify the hose routing matches OEM specifications to avoid kinks or interference
• Use proper tools to avoid damaging hose ends during installation
• Inspect the cooling system for leaks after installation

Quality Assurance and Warranty

The Dayco Curved Radiator Hose 70730 complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses. Manufactured with quality EPDM material, this hose is built to withstand typical operating temperatures and pressures found in Chevrolet and Pontiac cooling systems. Warranty information should be confirmed with the distributor or manufacturer, as it may vary by region.