GPD 2411278 Engine Coolant Reservoir Tank

The GPD 2411278 is an engine coolant reservoir tank, also called a coolant overflow tank, coolant recovery tank or expansion tank. It is part of the vehicle's cooling system.

What it does:

• Holds excess coolant that expands out of the cooling system as the engine heats up
• Lets coolant return to the system as the engine cools down
• Helps keep coolant at the proper level and supports overall cooling system function

A cracked or leaking reservoir can lead to coolant loss and overheating, so replacing a damaged tank helps keep the cooling system working as intended.