Details

• Brand:

  

  

• SKU:

  FR3Z-8A080-A

• Positions: Front
• Other Names:

  Expansion Tank, Reservoir, Tank Assembly Radiator Overflow

• Description:

  This genuine Ford coolant expansion reservoir tank is the degas and overflow bottle for the engine cooling system on 2015-2023 Mustang S550 models. It stores coolant that expands as the engine heats, separates air from the coolant to keep the system full and free of pockets, and returns fluid to the radiator and engine as the system cools, maintaining correct coolant level and system pressure through its integrated cap. Over years of heat cycling the plastic tank becomes brittle and develops cracks or seam leaks, and the neck and cap sealing surfaces can fail, leading to coolant loss, low-coolant warnings, visible pink or orange residue around the bottle, steam or a sweet odor, and in severe cases overheating. Owners replace this reservoir when they find leaks, cracks, or a persistently dropping coolant level traced to the tank. It mounts in the engine bay with the cooling hoses and is filled and bled per the Ford cooling-system procedure using the specified coolant. Ford catalogs this component as an expansion or radiator overflow tank fitting the 2015-2023 Mustang across engine options, including the GT350. Confirm your model year and cooling configuration before ordering, and inspect the cap and hoses at the same time.

• Applications: 5.0L. 2.3L. 3.7L. 5.2L GT500. 5.2L GT350, GT350R.

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