Gates 23499 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Chevrolet and GMC Trucks

The Gates Molded Coolant Hose 23499 is engineered to provide dependable cooling system performance for heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD, this radiator coolant hose ensures proper fit and function.

• Constructed from durable EPDM material for heat and chemical resistance
• Molded design for precise fit and leak prevention
• Centerline length of 19.9 inches (505 mm) for accurate routing
• Consistent inside diameter of 1.77 inches (45 mm) on both ends
• Does not contain a spring, ensuring flexibility without restriction

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle cooling system layouts. This eliminates the need for bending or shaping during installation, reducing the risk of kinks and leaks. The 23499 part benefits from this molded design, providing a direct replacement hose that maintains the integrity of the cooling system in Chevrolet and GMC heavy-duty trucks.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.77 inches (45 mm), ensuring compatibility with the corresponding radiator and engine fittings. The hose measures 19.9 inches (505 mm) in centerline length, matching the original equipment specifications for the listed Chevrolet and GMC models. The absence of springs inside the hose allows for natural flexibility while maintaining structural integrity.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Sierra 2500 HD and 3500 HD
• Addressing coolant leaks caused by hose deterioration in Silverado 2500 HD and 3500 HD
• Restoring proper coolant flow to prevent engine overheating
• Eliminating hose collapse or kinking due to aging or improper fit
• Maintaining cooling system pressure and efficiency in heavy-duty trucks

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the hose diameter and length match the original part to maintain proper coolant flow. The molded design of the Gates 23499 hose allows for straightforward installation without the need for bending or modification. Use appropriate clamps to secure the hose ends and check for leaks after installation.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 23499 to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction contribute to long service life under demanding conditions. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in Chevrolet and GMC heavy-duty trucks.