Genuine 21503-1LA0B Lower Radiator Coolant Hose

The Genuine 21503-1LA0B is an OEM lower radiator coolant hose designed for Nissan and Infiniti vehicles. This flexible hose is part of the engine cooling system, connecting the radiator to the engine block to circulate coolant and maintain optimal operating temperatures.

Key Features:

• Constructed from EPDM (Ethylene Propylene Diene Monomer) rubber for superior heat and chemical resistance
• Hose length of 416mm (approximately 16.4 inches) with 33mm inner diameter
• OEM quality construction meeting factory specifications
• Supersedes part number 215031LA0B
• Designed for precise fitment and reliable performance

This genuine replacement hose ensures proper coolant flow and helps prevent overheating and engine damage. OEM parts follow rigorous factory specs and demanding quality control processes during manufacturing, providing reliability and longevity. Replace worn or cracked coolant hoses to maintain your vehicle's cooling system efficiency and prevent costly repairs.