Gates 51464 Radiator Coolant Hose - Lower

Reliable Radiator Coolant Hose for Chevrolet and GMC Trucks

The Gates Molded Coolant Hose 51464 is engineered to meet the cooling system demands of heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Express 2500, Express 3500, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD, this radiator coolant hose ensures proper coolant flow and system integrity.

• Constructed from durable EPDM, plastic, and steel materials for long-lasting performance
• Molded design with two branches and a female quick connect fitting for secure installation
• Centerline length of 52.41 inches (1331 mm) to fit specified heavy-duty truck models
• Multiple inside diameters: 2.35 inches (60 mm) and 1.97 inches (50 mm) for ends 1 and 2, plus smaller branch diameters
• Part number 51464 ensures exact replacement compatibility

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses designed to fit specific vehicle cooling systems. These hoses feature molded construction for consistent shape and fit, reducing the risk of leaks and improving coolant flow. The 51464 model includes modular components such as two branches and a female quick connect fitting, streamlining installation and maintenance for Chevrolet and GMC heavy-duty trucks.

Detailed Product Description

This radiator coolant hose is made from EPDM rubber combined with plastic and steel reinforcements, providing resistance to heat, pressure, and coolant chemicals. The molded design includes two branches with female quick connect fittings, allowing for a secure and leak-resistant connection within the cooling system. The hose’s centerline length measures 52.41 inches (1331 mm), with end diameters tailored to fit the cooling system ports on Chevrolet Express and GMC Sierra and Silverado 2500 and 3500 HD models. The absence of internal springs ensures flexibility without compromising durability.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Express 2500 and 3500
• Repair of coolant leaks in GMC Sierra 2500 HD and 3500 HD cooling systems
• Restoration of proper coolant flow in Silverado 2500 HD and 3500 HD trucks
• Upgrading to a molded hose for improved fit and reduced risk of coolant loss
• Resolving overheating issues caused by damaged or degraded hoses

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to prevent burns. Verify that the hose routing matches the original to avoid kinks or stress points. The female quick connect fitting simplifies attachment; confirm it is fully seated and locked. Inspect all clamps and connectors for wear and replace if necessary to maintain a secure seal.

Quality Assurance and Warranty

Gates Molded Coolant Hose 51464 is manufactured to meet OEM specifications for Chevrolet and GMC heavy-duty trucks. The use of EPDM, plastic, and steel materials ensures durability under demanding conditions. While specific warranty details are not provided, Gates products typically adhere to strict quality standards to support reliable vehicle operation.