Dayco 72364 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 72364

The Dayco Curved Radiator Hose 72364 is designed specifically for cooling system applications in Buick and Cadillac vehicles, including the DTS and Lucerne models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance under typical engine operating conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 1/2 inches
• End 1 and End 2 Outside Diameter: 1 27/32 inches
• Hose Type: Single inside diameter hose
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk Height: 12 inches
• Compatible with Buick DTS and Cadillac Lucerne models

Detailed Description of the Curved Radiator Hose

The Dayco Curved Radiator Hose 72364 is engineered to maintain optimal coolant flow within the radiator system of select Buick and Cadillac vehicles. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and coolant chemicals, which helps extend service life. The hose features a consistent 1 1/2 inch inside diameter on both ends, ensuring a secure fit and proper coolant circulation. Its black color and single inside diameter design provide a straightforward replacement option for the original equipment.

This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling system requirements. The 12-inch trunk height allows for proper routing within the engine bay, matching the original equipment specifications for Buick DTS and Cadillac Lucerne models.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Buick DTS and Cadillac Lucerne
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant flow to avoid engine overheating
• Elimination of swelling or softening issues due to heat exposure
• Correction of improper hose fitment or diameter mismatches

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose
• Check hose clamps and replace if corroded or damaged
• Verify the hose routing matches the original to prevent kinks or interference
• Lubricate hose ends with coolant or water for easier installation
• Inspect surrounding components for wear or damage during replacement

Quality Assurance and Warranty

Dayco's Curved Radiator Hose line, including part number 72364, is manufactured to meet stringent SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Using this hose helps maintain the integrity of the cooling system in Buick DTS and Cadillac Lucerne vehicles.