Gates 23721 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 23721

The Gates Molded Coolant Hose 23721 is designed for reliable cooling system performance in heavy-duty trucks. Engineered with EPDM material, this radiator coolant hose is compatible with Chevrolet and GMC 2500 and 3500 HD models, ensuring a precise fit and durable operation.

• Constructed from durable EPDM material for heat and chemical resistance
• Molded design for exact fit and secure installation
• Centerline length of 24.7 inches (627 mm) for proper routing
• Consistent inside diameter of 1.75 inches (44 mm) on both ends
• Does not contain a spring or quick connect fittings

Detailed Product Description

This radiator coolant hose from Gates is part of the Molded Coolant Hose product line, which focuses on precision-molded hoses designed to meet or exceed OEM specifications. The molded construction ensures a consistent shape and fit, reducing the risk of leaks and improving coolant flow efficiency. Made from EPDM, the hose resists degradation from heat, ozone, and automotive fluids, making it suitable for the demanding environments of Chevrolet Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD trucks.

Compatible Vehicles and Applications

The Gates Molded Coolant Hose 23721 is compatible with the following vehicles:

• Chevrolet Sierra 2500 HD
• Chevrolet Sierra 3500 HD
• GMC Silverado 2500 HD
• GMC Silverado 3500 HD

Common Issues Addressed by This Radiator Coolant Hose

• Coolant leaks due to cracked or worn hoses
• Overheating caused by restricted coolant flow
• Swelling or softening of hoses from heat exposure
• Improper hose fit leading to coolant system pressure loss
• Degradation from exposure to automotive fluids and ozone

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose
• Check hose clamps and replace if worn or corroded
• Verify the hose routing matches OEM specifications to avoid kinks
• Inspect surrounding components for wear or damage during installation
• Use proper tools to avoid damaging the molded hose ends

Quality Assurance and Warranty

Gates Molded Coolant Hose 23721 is manufactured to meet strict quality standards, ensuring durability and reliable performance in heavy-duty applications. The EPDM material and molded design contribute to long service life under demanding conditions. Warranty coverage details should be confirmed with the product documentation or supplier.