Genuine 16470-0P040 Coolant Reservoir Tank Assembly with Cap

The Genuine 16470-0P040 is an OEM coolant reservoir tank assembly designed to maintain proper engine cooling system performance. This factory-engineered reserve tank stores engine coolant and allows for thermal expansion and contraction during normal operation, preventing coolant loss and maintaining optimal system pressure.

Key Features:

• Genuine Toyota OEM part manufactured to exact factory specifications
• Includes expansion tank cap for complete installation
• Durable construction designed to withstand temperature extremes and engine bay conditions
• Direct replacement for original equipment - no modifications required
• Also known as coolant overflow reservoir, radiator reserve tank, or expansion tank
• Part number supersedes 1647031110

This genuine Toyota component ensures reliable coolant containment and helps prevent engine overheating by maintaining the proper coolant level in your vehicle's cooling system. Factory OEM parts provide superior fit, quality, and longevity compared to aftermarket alternatives.