Gates 21499 Radiator Coolant Hose - Lower - Engine To Pipe

Overview of Gates Molded Coolant Hose 21499

The Gates Molded Coolant Hose 21499 is designed specifically for Nissan Maxima models, providing reliable radiator coolant flow. Constructed from durable EPDM and plastic materials, this molded radiator coolant hose ensures a precise fit and long-lasting performance.

• Compatible with Nissan Maxima vehicles
• Made from EPDM and plastic for heat and chemical resistance
• Molded design for exact fit and secure installation
• End 1 inside diameter: 1.37 inches (35 mm)
• End 2 inside diameter: 1.56 inches (40 mm)
• Centerline length: 20.9 inches (531 mm)
• Does not contain a spring or quick connect fittings

Detailed Product Description

The Gates Molded Coolant Hose 21499 is engineered to meet the cooling system requirements of Nissan Maxima vehicles. Its construction from EPDM rubber and plastic materials offers resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding conditions. The molded design ensures the hose maintains its shape and fits precisely between radiator connections, with an inside diameter of 1.37 inches (35 mm) on one end and 1.56 inches (40 mm) on the other. The 20.9-inch (531 mm) centerline length provides the correct routing for efficient coolant flow without kinks or leaks.

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact OEM specifications. This eliminates the need for bending or shaping during installation, reducing the risk of improper fitment or premature failure. The molded construction also enhances durability and resistance to pressure fluctuations within the cooling system, making it suitable for vehicles like the Nissan Maxima that require precise coolant hose configurations.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Prevention of coolant leaks that can cause engine overheating
• Restoration of proper coolant flow in Nissan Maxima cooling systems
• Elimination of hose collapse or deformation under pressure
• Addressing fitment issues with non-molded or generic hoses

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Check all hose clamps and replace if worn or corroded
• Verify the hose orientation matches the molded shape for proper fit
• Inspect radiator and engine connections for damage before installation
• Tighten clamps securely but avoid over-tightening to prevent hose damage

Quality Assurance and Warranty

Gates Molded Coolant Hose 21499 is manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Gates typically offers coverage against defects in materials and workmanship. Using this hose helps maintain the integrity of the Nissan Maxima cooling system and supports reliable vehicle operation.