Gates 21710 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 21710

The Gates Molded Coolant Hose 21710 is designed for reliable cooling system performance in select Chevrolet and GMC vehicles. Engineered with durable EPDM and plastic materials, this radiator coolant hose ensures proper coolant flow and system integrity.

• Constructed from EPDM and plastic for heat and chemical resistance
• Molded design for precise fit and durability
• End 1 inside diameter: 1.5 inches (38 mm)
• End 2 inside diameter: 1.75 inches (44 mm)
• Centerline length: 26.5 inches (673 mm)
• Compatible with Chevrolet and GMC trucks and SUVs
• Part number 21710 for accurate identification

Detailed Product Description

The Gates Molded Coolant Hose 21710 is a molded radiator coolant hose constructed from EPDM rubber and plastic components, providing resistance to heat, ozone, and automotive fluids. Its molded design ensures a precise fit with no need for additional spring reinforcement, as it does not contain a spring. The hose features two different inside diameters at each end—1.5 inches (38 mm) on one end and 1.75 inches (44 mm) on the other—allowing it to connect seamlessly between cooling system components. With a centerline length of 26.5 inches (673 mm), this hose is designed to maintain proper coolant flow and system pressure in medium to heavy-duty Chevrolet and GMC vehicles.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-molded hoses that provide consistent fitment and reliable performance in cooling systems. These hoses are engineered to meet OEM specifications, using materials like EPDM and plastic to withstand the demanding conditions of engine compartments. The molded construction reduces the risk of leaks and improves installation accuracy, making the Molded Coolant Hose line suitable for various Chevrolet and GMC truck and SUV models.

Compatible Vehicles and Applications

• Chevrolet Blazer
• Chevrolet C35, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500
• Chevrolet K1500, K1500 Suburban, K2500, K2500 Suburban, K3500
• Chevrolet Suburban 1500, Tahoe
• GMC Yukon

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 old hoses from heat exposure
• Improper fitment leading to coolant system pressure loss
• Replacement of deteriorated or damaged radiator hoses

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Check hose connections and clamps for corrosion or damage and replace if necessary
• Verify the correct orientation of the hose based on the molded shape and diameters
• Use proper tools to tighten clamps without over-tightening to prevent hose damage
• Inspect the cooling system for leaks after installation and during initial operation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21710 is manufactured to meet or exceed OEM standards for durability and performance. The use of EPDM and plastic materials ensures resistance to heat, ozone, and automotive fluids, contributing to long service life. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects, supporting reliability in Chevrolet and GMC cooling systems.