Genuine 254312D000 Engine Coolant Expansion Tank Reservoir

The Genuine 254312D000 Engine Coolant Expansion Tank is an OEM replacement reservoir designed to maintain proper coolant levels in your vehicle's cooling system. This radiator reservoir assembly serves as a container that holds engine coolant and allows for thermal expansion and contraction during engine operation.

Key Features:

• Genuine OEM part manufactured to Hyundai factory specifications
• Durable plastic construction designed to withstand underhood heat and vibration
• Non-pressurized coolant overflow bottle with flip-top cap included
• Direct replacement for original equipment - ensures proper fit and function
• Mounts to inner fender panel with single mounting hole configuration
• White color with clear level indicators for easy coolant monitoring

A failed expansion tank can cause your cooling system to leak antifreeze or result in engine overheating. This genuine replacement part ensures reliable performance and extends the life of your vehicle's cooling system. OEM part number 25431-2D000 (also referenced as 254312D000).