Gates 21717 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 21717

The Gates Molded Coolant Hose 21717 is designed for reliable cooling system performance in Chevrolet and GMC trucks and vans. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for vehicles like the Chevrolet C1500 and GMC Savana 3500.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure installation
• End 1 inside diameter: 1.5 inches (38 mm)
• End 2 inside diameter: 1.73 inches (44 mm)
• Centerline length of 22.5 inches (572 mm)
• Compatible with multiple Chevrolet and GMC models including C2500, K3500, and Express 2500
• Does not contain a spring or quick connect fittings

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-molded radiator hoses designed to meet exact OEM specifications. This product line emphasizes durability and fitment accuracy, reducing the risk of leaks and coolant loss. The molded construction of part number 21717 ensures a secure connection and consistent coolant flow for Chevrolet and GMC trucks and vans.

Detailed Product Description

The Gates Molded Coolant Hose 21717 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features a molded design with two different inside diameters—1.5 inches (38 mm) on one end and 1.73 inches (44 mm) on the other—allowing it to connect seamlessly between radiator components. With a centerline length of 22.5 inches (572 mm), this hose fits specific Chevrolet and GMC models including the C1500, C2500 Suburban, K2500, and Savana 1500. The absence of springs and quick connect fittings simplifies installation and reduces potential failure points.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet and GMC trucks and vans
• Prevention of coolant leaks that can cause engine overheating
• Restoration of proper coolant flow to maintain engine temperature regulation
• Addressing hose swelling or deformation due to heat exposure
• Ensuring secure hose connections without the need for additional fittings or springs

Installation Notes and Tips

• Verify compatibility with your specific Chevrolet or GMC model before installation
• Inspect hose ends and radiator connections for corrosion or damage prior to fitting
• Use appropriate clamps to secure the hose ends firmly without over-tightening
• Ensure the hose routing matches OEM specifications to avoid kinks or interference
• Flush the cooling system if replacing due to contamination or overheating issues

Quality Assurance and Warranty

Gates Molded Coolant Hose 21717 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and automotive fluids, contributing to long service life. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in Chevrolet and GMC vehicles.