Gates 20687 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 20687

The Gates Molded Coolant Hose 20687 is designed for reliable cooling system performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures proper coolant flow and heat dissipation for models like the Camaro, Firebird, and Monte Carlo.

• Constructed from high-quality EPDM rubber for heat and chemical resistance
• Molded design for precise fit and leak prevention
• End 1 inside diameter: 1.5 inches (38 mm)
• End 2 inside diameter: 1.75 inches (44 mm)
• Centerline length of 18.2 inches (462 mm)
• Contains no internal spring, reducing potential failure points
• Compatible with multiple GM models including Buick Century and Pontiac Grand Prix

Detailed Product Description

The Gates Molded Coolant Hose 20687 is a molded radiator coolant hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a molded construction that provides a precise fit, reducing the risk of leaks and improving the overall reliability of the cooling system. With an inside diameter of 1.5 inches (38 mm) on one end and 1.75 inches (44 mm) on the other, it accommodates specific radiator and engine connections. The centerline length of 18.2 inches (462 mm) ensures proper routing within the engine bay without kinking or stretching. This hose does not contain an internal spring, which simplifies installation and reduces potential failure points.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-molded hoses designed to meet exact OEM specifications. These hoses are engineered to provide consistent coolant flow and durability under demanding engine conditions. The molded design of the 20687 part number ensures a secure fit and compatibility with various GM vehicles, including Buick, Chevrolet, Oldsmobile, and Pontiac models.

Common Applications and Problem Solving

• Replacement of cracked or leaking radiator coolant hoses
• Resolving coolant flow restrictions caused by collapsed or swollen hoses
• Addressing overheating issues related to faulty coolant hose connections
• Preventing coolant leaks that can lead to engine damage
• Maintaining proper coolant circulation in Buick Century and Chevrolet Malibu vehicles

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Inspect hose clamps and replace if corroded or damaged
• Verify the correct orientation of the molded hose before installation
• Check for proper clearance to avoid contact with moving parts
• Tighten clamps securely but avoid over-tightening to prevent hose damage

Quality Assurance and Warranty

Gates Molded Coolant Hose 20687 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material offers resistance to heat, ozone, and coolant chemicals, contributing to a longer service life. While specific warranty details may vary, Gates typically provides coverage against manufacturing defects to ensure customer confidence in their products.