Gates 21728 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 21728

The Gates Molded Coolant Hose 21728 is designed specifically for Chevrolet Corvette models, providing reliable radiator coolant flow. Constructed from durable EPDM and plastic materials, this molded radiator coolant hose ensures consistent performance under various operating conditions.

• Compatible with Chevrolet Corvette vehicles
• Made from EPDM and plastic for heat and chemical resistance
• Molded design for precise fit and durability
• End 1 inside diameter: 1.22 inches (31 mm)
• End 2 inside diameter: 1.28 inches (33 mm)
• Centerline length: 16.6 inches (422 mm)
• Contains no spring or quick connect fittings

Details on the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications, eliminating the need for bending or shaping during installation. This product line emphasizes dimensional accuracy and material quality, which helps maintain proper coolant flow and system integrity in Chevrolet Corvette cooling systems. The molded construction of part number 21728 ensures a secure fit and reduces the risk of leaks or hose failure.

Product Description and Specifications

The Gates Molded Coolant Hose 21728 is engineered with EPDM rubber and plastic components, materials known for their resistance to heat, ozone, and coolant chemicals. The hose features two different inside diameters at each end—1.22 inches (31 mm) and 1.28 inches (33 mm)—to match the radiator and engine connections precisely. With a centerline length of 16.6 inches (422 mm), this molded hose fits the cooling system layout of Chevrolet Corvette models without modification. The absence of springs and quick connect fittings simplifies the design, focusing on durability and straightforward installation.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Corvette vehicles
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing overheating issues due to compromised coolant flow
• Addressing hose collapse or swelling under engine heat stress
• Maintaining system pressure and coolant circulation integrity

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Check hose connections for corrosion or damage before installation
• Use proper clamps to secure the molded hose ends without over-tightening
• Verify the hose routing matches the original to prevent kinks or interference
• Inspect the cooling system for leaks after installation and during initial operation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21728 is manufactured to meet OEM specifications for Chevrolet Corvette cooling systems. The use of EPDM and plastic materials ensures resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details are not provided, Gates products typically adhere to industry standards for quality and reliability.