Gates 21706 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Chevrolet and GMC Trucks

The Gates Molded Coolant Hose 21706 is engineered to provide dependable cooling system performance for select Chevrolet and GMC truck models. Designed with durable EPDM material, this radiator coolant hose ensures a secure fit and long-lasting service life.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and leak prevention
• End 1 inside diameter: 1.25 inches (32 mm)
• End 2 inside diameter: 1.5 inches (38 mm)
• Centerline length: 34.9 inches (886 mm)
• Compatible with multiple Chevrolet and GMC truck models
• Part number 21706 for accurate identification

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates offers pre-formed hoses designed to match original equipment specifications. These hoses are molded to exact dimensions, eliminating the need for bending or cutting during installation. The molded construction enhances durability and helps maintain proper coolant flow, making it suitable for demanding cooling system applications in trucks.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features two different inside diameters—1.25 inches (32 mm) on one end and 1.5 inches (38 mm) on the other—allowing it to connect securely between components with varying sizes. With a centerline length of 34.9 inches (886 mm), it fits the cooling system layout of specific Chevrolet and GMC trucks without modification. The molded design ensures a precise fit and reduces the risk of leaks or hose failure.

Compatible Vehicles and Common Applications

• Chevrolet C1500, C2500, C2500 Suburban, C3500
• GMC K2500, K2500 Suburban, K3500
• GMC R2500, R2500 Suburban, R3500
• GMC V2500 Suburban, V3500

This hose is typically used to replace worn or damaged radiator coolant hoses in these models, helping to maintain proper engine temperature and prevent coolant leaks.

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Check hose clamps and replace if necessary to secure the new hose properly
• Verify the hose orientation matches the original to maintain correct coolant flow
• Inspect surrounding components for wear or damage during installation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21706 is manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided, Gates products are known for consistent quality and reliability in automotive cooling systems.