This 4-piece piston and rings set is designed for 2.0L inline-four gas DOHC turbocharged engines in vehicles.It serves as a direct replacement for worn or damaged factory components and is suitable for engine rebuilds, repairs, and maintenance.The set matches OEM specifications for part numbers FB5Z-6108-A, K2GZ-6148-B, and AG9Z-6135-B.Compatible with: Fusion (2015–2018), Escape (2016–2020), MKZ (2016–2018), and MKC (2015–2020).Installation follows standard engine block assembly procedures and is intended for use under normal operating conditions.