Gates 21770 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21770

The Gates Molded Coolant Hose 21770 is designed for reliable cooling system performance in select Chevrolet and GMC trucks and SUVs. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for vehicles like the Chevrolet Blazer and GMC Yukon.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure installation
• Centerline length of 24.6 inches (625 mm) for accurate routing
• Inside diameter of 1.81 inches (46 mm) on both ends for consistent coolant flow
• Compatible with multiple Chevrolet and GMC models including C1500, K2500, Tahoe, and Suburban variants

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line 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 or leaks. The molded construction of part number 21770 ensures a precise fit for Chevrolet and GMC trucks and SUVs, maintaining optimal coolant circulation and system integrity.

Detailed Product Description

This radiator coolant hose features a molded design 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 1.81 inches (46 mm), providing uniform flow capacity. With a centerline length of 24.6 inches (625 mm), the hose is engineered to fit the cooling systems of Chevrolet Blazer, C1500, C2500, C3500, K1500, K2500, K3500, Tahoe, Yukon, and their Suburban variants. The hose does not contain any springs or quick connect fittings, simplifying installation and maintenance.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Chevrolet and GMC trucks and SUVs
• Resolving coolant leaks caused by hose deterioration or damage
• Preventing overheating issues due to compromised coolant flow
• Maintaining proper coolant system pressure and circulation
• Ensuring compatibility with factory cooling system specifications

Installation Notes and Tips

• Verify hose dimensions and fitment with your specific Chevrolet or GMC model before installation
• Ensure the cooling system is cool and depressurized prior to hose removal
• Inspect hose clamps and replace if necessary to ensure a secure seal
• Align the molded hose carefully to avoid twisting or kinking during installation
• Check for leaks after installation by running the engine and monitoring coolant flow

Quality Assurance and Warranty

Gates Molded Coolant Hose 21770 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and coolant chemicals, contributing to long service life. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.